All Wiring Diagrams for Isuzu Ascender S 2005 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 3) for Isuzu Ascender S 2005

List of elements for Automatic A/C Wiring Diagram (1 of 3) for Isuzu Ascender S 2005:

(at rear of lower console) hvac control module
5v ref
A/c comp status
A/c low press sw
A10
A11
A12
Air temp door ctrl
Air temp dr pos sig
Air temperature actuator (left) (behind left center of dash)
Air temperature actuator (right) (behind right center of dash)
Ambient air temp sig
Ambient air temperature sensor (above left side of grille)
Ambient light
Ambient light/ sunload sensor assembly (in center of upper dash trim panel)
B10
B11
B12
Battery
Blower fuse 35 40a
Blower motor
Blower motor control module (below right side of dash)
Blwr mtr spd ctrl
Class 2
Control
Coolant bypass ctrl
Coolant bypass valve (lwb) (right rear of engine compartment)
Def door pos sig
Defrost actuator (behind upper left center of dash)
Defrost door ctrl
G102 (at left side of engine compartment)
G103 (at right rear of engine compt)
G201
G302 (on lower left ``b" pillar)
Ground
Hot at all times
Hot in run
Hvac 1 fuse 39 10a
Hvac b fuse 36 10a
Ign 3
Inside air temp ctrl
Inside air temp sig
Inside air temperature sensor assembly (in left ``b" pillar)
Left sensor
Low ref
Low reference
Lower left air temperature sensor (in lower left air duct assembly)
Lower right air temperature sensor (in lower right air duct assembly)
Lwb
Lwr lt air temp sig
Lwr rt air temp sig
Mode actuator (behind upper left center of dash)
Mode door ctrl
Mode door pos sig
Nca
Power distribution system
Rear fuse block (below left rear seat)
Recirc door cntrl
Recirc dr pos sig
Recirculation actuator
Red
Right sensor
Solid state
Sp201 (lower right center of dash)
Swb
Tan
Underhood fuse block (on left side of engine compt)
Upper left air temperature sensor (in upper air duct)
Upper right air temperature sensor (in upper air duct)
Uppr lt air temp sig
Uppr rt air temp sig

Automatic A/C Wiring Diagram (2 of 3) for Isuzu Ascender S 2005

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List of elements for Automatic A/C Wiring Diagram (2 of 3) for Isuzu Ascender S 2005:

(at right rear of engine compt) g103
+5v ref
4.2l
5.3l
5.3l 4.2l
A/c compressor clutch assembly (4.2l: bottom left front of engine) (5.3l: right front of engine)
A/c fuse 30 10a
A/c low pressure switch (at right rear of underhood compt)
A/c press sig
A/c refrigerant pressure sensor (5.3l: on bottom right side of engine) (4.2l: bottom left front of engine)
A/c relay 44
A12
Ambient light sens
B11
B12
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Comp rly cntrl
Cooling fan
Cooling fan ctrl
D11
Data link connector (below dash, above accelerator pedal)
E12
Ect sensor
Engine coolant temperature sensor (on left front of engine, near generator)
F12
Fan fuse 20 10a
Fan relay 45
G103 (at right rear of engine compt)
G107 (on lower left side of engine)
G108 (on lower left side of engine)
Hall sensor
High spd maf
Hot at all times
Hot in run or start
Ign e fuse 22 10a
Low ref
Low reference
Lt sunload sens sig
Powertrain control module (4.2l) engine control module (5.3l) (on left front of engine compt)
Rt sunload sens sig
Serial data
Sp205 (below left side of i/p)
Underhood fuse block (on left side of engine compt)

Automatic A/C Wiring Diagram (3 of 3) for Isuzu Ascender S 2005

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List of elements for Automatic A/C Wiring Diagram (3 of 3) for Isuzu Ascender S 2005:

(lwb)
(not used)
(on lower right "d" pillar) g402
30a
5v reference
A10
A11
A12
A13
A14
A15
A16
Aux act door ctlr
Aux air temp dr ctlr
Aux air temp dr pos
Aux blwr mtr
Aux hvac enable
Aux mode door ctrl
Aux mode dr pos sig
Auxiliary air temperature actuator (on rear hvac module, behind right rear interior body panel)
Auxiliary blower motor (behind interior right rear trim panel)
Auxiliary blower motor control processor (lwb)
Auxiliary blower motor fuse (at right quarter panel)
Auxiliary hvac control module (at rear of lower console)
Auxiliary mode actuator (lwb) (at right quarter panel)
Auxiliary mode actuator (swb) (rear of lower console)
B10
B11
B12
B13
B14
B15
B16
Battery
Class 2 data
Console mode actuator (lwb) (rear of lower console)
Console mode dr ctrl
Ctrl mode dr pos sig
Front auxiliary blower motor switch (lwb)
G201
Ground
Hot at all times
Ill
Interior lights system
Logic
Low reference
Lwb
Off
Rear
Rear fuse block (below left rear seat)
Red
Rr hvac fuse 13 30a (lwb)
Sp201 (lower right center of dash)
Swb
Tvx sole ctrl

Manual A/C Wiring Diagram (1 of 3) for Isuzu Ascender S 2005

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List of elements for Manual A/C Wiring Diagram (1 of 3) for Isuzu Ascender S 2005:

(not used)
(on bottom of blower assembly) blower motor resistor assembly
5v ref
87a
A/c comp status
A/c low press sw
A10
A11
A12
Air temp door ctrl
Air temp dr pos sig
Air temperature actuator (left) (behind left center of dash)
Air temperature actuator (right) (behind right center of dash)
B10
B11
B12
Battery
Blower fuse 35 40a
Blower motor (below right side of dash)
Blower motor relay
Class 2
Coolant bypass ctrl
Coolant bypass valve (lwb) (right rear of engine compartment)
Def door pos sig
Defrost actuator (behind upper left center of dash)
Defrost door ctrl
G102 (at left side of engine compartment)
G103 (at right rear of engine compt)
G201
Ground
High
Hot at all times
Hot in run
Hvac control module (in dash center trim panel, beneath radio)
Hvac enable control
Hvac fuse 44 30a
Hvac i fuse 39 10a
Hvac-b fuse 36 10a
Ign 3
Low
Low ref
Lwb
Med1
Med2
Med3
Mode actuator (behind upper left center of dash)
Mode door ctrl
Mode door pos sig
Off
Off blwr mtr cntrl
Power distribution system
Rear fuse block (below left rear seat)
Recirc door ctrl
Recirculation actuator
Red
Solid state
Sp201 (lower right center of dash)
Swb
Tan
Underhood fuse block (on left side of engine compt)

Manual A/C Wiring Diagram (2 of 3) for Isuzu Ascender S 2005

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List of elements for Manual A/C Wiring Diagram (2 of 3) for Isuzu Ascender S 2005:

(at right rear of engine compt) g103
+5v ref
A/c compressor clutch assembly (4.2: bottom left front of engine) (5.3: right front of engine)
A/c fuse 30 10a
A/c low pressure switch (at right rear of underhood compt)
A/c press sig
A/c refrigerant pressure sensor (bottom left front of engine)
A/c relay
Comp rly cntrl
Cooling fan
Cooling fan ctrl
Data link connector (below dash, above accelerator pedal)
E12
Ect sensor
Engine coolant temperature (ect) sensor (on left front of engine, near generator)
F12
Fan fuse 20 10a
Fan relay 45
G103 (at right rear of engine compt)
G107 (on lower left side of engine)
G108 (on lower left side of engine)
Hall sensor
High spd maf
Hot at all times
Hot in run or start
Ign e fuse 22 10a
Low ref
Low reference
Powertrain control module (pcm) (on left front of engine)
Serial data
Sp205 (below left side of i/p)
Underhood fuse block (on left side of engine compt)

Manual A/C Wiring Diagram (3 of 3) for Isuzu Ascender S 2005

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List of elements for Manual A/C Wiring Diagram (3 of 3) for Isuzu Ascender S 2005:

(not used)
(on lower right ``d" pillar) g402
(swb)
30a
5v reference
A10
A11
A12
A13
A14
A15
A16
Auc hvac enable
Aux act door ctlr
Aux air temp dr ctlr
Aux air temp dr pos
Aux blwr mtr
Aux mode door
Aux mode door ctrl
Aux mode dr ctrl
Aux mode dr pos sig
Auxiliary air temperature actuator (lwb) (on rear hvac module, behind right rear interior body panel)
Auxiliary blower motor (behind interior right rear trim panel)
Auxiliary blower motor control processor (lwb)
Auxiliary blower motor fuse (at right quarter panel)
Auxiliary hvac control module (at rear of lower console)
Auxiliary mode actuator (lwb) (at right quarter panel)
Auxiliary mode actuator (swb) (rear of lower console)
B10
B11
B12
B13
B14
B15
B16
Battery
Class 2 data
Consl mode dr pos
Console mode actuator (lwb)
Console mode dr ctrl
Front auxiliary blower motor switch (lwb)
G201
Gnd
Ground
Hot at all times
Ign 3
Ill
Interior lights system
Logic
Low reference
Lwb
Off
Rear
Rear fuse block (below left rear seat)
Red
Rr hvac fuse 13 30a
Sp201 (lower right center of dash)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram, with Traction Control for Isuzu Ascender S 2005

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List of elements for Anti-lock Brakes Wiring Diagram, with Traction Control for Isuzu Ascender S 2005:

(below dash, above accelerator pedal) data link connector
4.2l
5.3l
Abs fuse 33 60a
Abs pump
Anti-lock indicator
Automatic a/c
B10
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Brake fluid level switch (in brake master cylinder fluid reservoir)
Brake fluid lvl sig
Brake fuse 51 10a
Brake indicator
C11
Cruise control system
Delivered torque sig
Delivered torque signal
Electronic brake control module (on inner left frame rail, adjacent to transmission)
Front axle actuator (lower right front of engine, on oil pan)
G107 (on lower left side of engine)
G201
G304 (outside of left frame rail, near electronic brake control module)
Hot at all times
Hot in run
Hot in run or start
Hvac 1 fuse 39 10a
Ign e fuse 22 10a
Ignition 3
Illum
Instrument panel cluster
Interior lights system
Ipc/dic fuse 24 10a
Left front wheel speed sensor (on left front wheelhousing)
Lf whl spd sens ref
Lf whl spd sens sig
Low trac indicator
Manual a/c
Pnk
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt)
Rear fuse block (below left rear seat)
Red
Requested torque sig
Requested torque signal
Rf whl spd sens ref
Rf whl spd sens sig
Right front wheel speed sensor (on right front wheelhousing)
Serial data
Sp201 (lower right center of dash)
Sp205 (below left side of i/p)
Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket)
Tan
Tcc brake switch sig
Trac active telltale
Trac ctrl sig
Traction control switch
Traction disable sw
Traction disable switch
Traction off indicator
Underhood fuse block (on left side of engine compt)
Vehicle speed signal
Vss

Anti-lock Brakes Wiring Diagram, without Traction Control for Isuzu Ascender S 2005

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List of elements for Anti-lock Brakes Wiring Diagram, without Traction Control for Isuzu Ascender S 2005:

(below dash, above accelerator pedal) data link connector
(below left side of i/p)
(on inner left frame
(outside of left frame rail, near electronic brake control module) g304
4.2l
5.3l
A10
Abs fuse 33 60a
Abs pump
Anti-lock indicator
B10
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Brake fluid level switch (in brake master cylinder fluid reservoir)
Brake fluid lvl sig
Brake fuse 51 10a
Brake indicator
C11
Control module
Cruise control system
Electronic brake
Front axle actuator (lower right front of engine, on oil pan)
G107 (on lower left side of engine)
Hot at all times
Hot in run
Hot in run or start
Ign e fuse 22 10a
Ignition 3
Instrument panel cluster
Ipc/dic fuse 24 10a
Left front wheel speed sensor (on left front wheelhousing)
Lf whl spd sens sig
Pnk
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt)
Rail, adjacent
Rear fuse block (below left rear seat)
Red
Rf whl spd sens ref
Right front wheel speed sensor (on right front wheelhousing)
Serial data
Sp205
Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket)
Tan
Tcc brake switch sig
To transmission)
Underhood fuse block (on left side of engine compt)
Vehicle speed signal
Vss

ANTI-THEFT

Immobilizer Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Immobilizer Wiring Diagram for Isuzu Ascender S 2005:

(4.2l) (5.3l)
12v ref
4.2l
5.3l
A11
B10
B11
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Computer data lines system
Data
Data link connector (below dash, above accelerator pedal)
E12
F14
G102 (at left side of engine compt)
G302 (on lower left "b" pillar)
Gnd
Ground
Hot at all times
Hot in run or start
Ign e fuse 22 10a
Instrument panel cluster
Logic
Nca
Passlock sensor (in steering column)
Pnk
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt)
Rear fuse block (below left rear seat)
Rtn
Security
Security ind
Sensor ref
Sensor sig
Serial data
Sp205 (below left side of i/p)
Tbc 1 fuse 31 fuse 58 10a
Underhood fuse block (on left side of engine compt)

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Body Control Modules Wiring Diagram for Isuzu Ascender S 2005:

12v ref
5v ref
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
A20
A3 bat positive voltage a4
Accessory voltage
Air conditioning system
Ambient light sen sig
Ambient lt sen lo ref
Anti-theft system
B1 c1
B10
B11
B12
B13
B14
B15
B16
B17
B18
B19
B20
Back up lamp pwr
Bat positive voltage
Bcm class 2 ser data
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C4 b11
Class 2 serial data
Computer data lines system
Courtesy lamp pwr
Courtesy lps pwr
Courtesy lps sig
D12
Door lock rly ctrl
Door locks system
Door unlock rly ctrl
Drl defeat sw sig
Drl override ind
E10
E11
E12
E13
E14
E15
E16
E5 c2
Exterior lights system
F10
F11
F12
F13
F14
F15
F16
F8 c2
Flash-to-pass sw sig
Fog lamp relay ctrl
Front fog lps sw sig
G302 (on lower left "b" pillar)
Ground
Head hi beam rly ctrl
Head lo beam rly ctrl
Headlights & air conditioning systems
Headlights system
Headlps high beam pwr
Headlps on ind ctrl
Headlps sw on sig
Horn relay ctrl
Horns system
Hot at all times
Hot in acc or run
Hot in acc, run or start
Hot in run
Hot in run or start
I/p dimmer sw lo ref
I/p lamps dimming ctrl
Ign 0 voltage
Ign 1 voltage
Ign 3 voltage
Int lps defeat sw sig
Interior lights system
Key in ign sw sig
Left sunload sen sig
Lr door ajar sw sig
Lr pwr wnd lkout ctrl
Lr pwr wnd sw dn ctrl
Lr pwr wnd sw up ctrl
Nca
Park brake sw sig
Park brake switch (on park brake assembly)
Park lamp rly ctrl
Park lmps sw sig
Pnk
Power tops system
Power windows system
Rap relay ctrl
Rear fuse block (below left rear seat)
Rear washer rly ctrl
Rear wiper/washer sw
Rear wnd wiper sw sig
Remote radio ctrl sig
Right sunload sen sig
Rr door ajar sw sig
Rr pwr wnd lkout ctrl
Rr pwr wnd sw dn ctrl
Rr pwr wnd sw up ctrl
Security sys lo ref
Security sys sen sig
Sound systems
Tan
Tbc 1 fuse 31 (4.2l) fuse 58 (5.3l) 10a
Tbc 2 fuse 7 10a
Tbc 3 fuse 4 10a
Tbc 4 fuse 40 10a
Tbc 5 fuse 32 10a
Tbc acc fuse 31 3a
Tbc ig fuse 50 3a
Tbc ign 1 fuse 16 10a
Tbc run fuse 52 3a
Underhood fuse block (on left side of engine compt)
Warning system
Windsh wiper sw sig 2
Wiper/washer & sound systems
Wiper/washer system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Computer Data Lines Wiring Diagram for Isuzu Ascender S 2005:

class 2 serial data
(not used)
4.2l
5.3l
A11
Auxiliary hvac control module (at rear of lower console)
B11
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Cigar fuse 13 20a
Class 2 serial data
Data link connector (below dash, above accelerator pedal)
Digital radio receiver
Driver's door module (on lower part of driver's door switch panel)
Driver's memory seat module (under driver's seat)
Electronic brake control module (on inner left frame rail, adjacent to transmission)
F14
Front passenger's door module (on lower part of passenger's door switch panel)
G102 (at left side of engine compt)
G201
Gmlan bus+
Gmlan bus-
Hot at all times
Hvac control module
Inflatable restraint sensing & diagnostic module (beneath lower console)
Instrument panel cluster (ipc)
Liftgate module (inside liftgate)
Lwb-automatic a/c lwb-manual a/c
Power distribution system
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compartment)
Radio
Sp201 (lower right center of dash)
Sp205 (below left side of i/p)
Sp306 (under right rear seat)
Tan
Transfer case shift control module (behind left lower dash)
Transmission control module (tcm) (5.3l) (left front of engine compartment)
Underhood fuse block (on left side of engine compt)
Vehicle communication interface module (vcim) (upper right rear seat)
W/ traction control w/ traction control
W/o traction control w/o traction control

COOLING FAN

Cooling Fan Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Cooling Fan Wiring Diagram for Isuzu Ascender S 2005:

(4.2l)
(5.3l)
(lower left side of engine) g108
4.2l
5.3l
Clutch cntrl
Cooling fan
Ect sensor
Engine coolant temperature sensor (on left front of engine, near generator)
Fan fuse 20 10a
Fan relay
Fan speed sig
G103 (at right rear of engine compt)
G108 (lower left side of engine)
Ground
Hall sensor
Hot in run or start
Low ref
Low reference
Powertrain control module (4.2l) engine control module (5.3l) (on left front of engine compt)
Underhood fuse block (on left side of engine compt)

CRUISE CONTROL

4.2L

4.2L, Cruise Control Wiring Diagram for Isuzu Ascender S 2005

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List of elements for 4.2L, Cruise Control Wiring Diagram for Isuzu Ascender S 2005:

(on inner left frame rail, adjacent to transmission) electronic brake control module
5 volt ref
Accelerator pedal position (app) sensor (w/ eap: under left side of i/p) (w/o eap: on accelerator bracket)
App sensor 1
App sensor 2
B10
B4 c1
C9 c2
Class 2 serial data
Close
Computer data lines system
Cruise release
E3 c3
Exterior lights system
Hot at all times
Hot in run
Hot in run or start
Hvac 1 fuse 39 10a
Ign e fuse 22 10a
Low ref
On sw
On/off sensor
On/off switch
Open
Pnk
Power distribution system
Powertrain control module (pcm) (on left front of engine)
Rear fuse block (below left rear seat)
Res/accel sw
Res/accel switch
Set/coast sw
Set/coast switch
St/lp fuse 12 25a
Stop lamp input
Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket)
Tac motor ctrl 1
Tac motor ctrl 2
Tan
Throttle body
Tp sensor 1
Tp sensor 2
Turn signal/ multi-function switch
Underhood fuse block (on left side of engine compartment)
Veh stop fuse 34 15a
Vehicle speed sensor (vss) (2wd: on right rear of transmission) (4wd: on left rear of transfer case)
Vehicle speed sig
Vss hi
Vss lo
W/ traction w/o traction

5.3L

5.3L, Cruise Control Wiring Diagram for Isuzu Ascender S 2005

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List of elements for 5.3L, Cruise Control Wiring Diagram for Isuzu Ascender S 2005:

5 volt ref
Accelerator pedal position sensor (w/o eap: on accelerator bracket) (w/ eap: under left side of i/p)
App sensor 1
App sensor 2
B10
B4 c1
C9 c2
Class 2 serial data
Close
Computer data lines system
Cruise release
E1 c1
E3 c3
Electronic brake control module (on inner left frame rail, adjacent to transmission)
Engine control module (on left front of engine compartment)
Exterior lights system
Hot at all times
Hot in run or start
Hot in run rear fuse block (below left rear seat)
Hvac 1 fuse 39 10a
Ign e fuse 22 10a
Ign voltage
Low ref
Nca
On sw
On/off sensor
On/off switch
Open
Pnk
Power distribution system
Res/accel sw
Res/accel switch
Set/coast sw
Set/coast switch
St/lp fuse 12 25a
Stop lamp input
Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket)
Tac fuse 23 15a
Tac motor ctrl
Tan
Throttle body (on top front of engine)
Tp sensor 1
Tp sensor 2
Turn signal/ multi-function switch
Underhood fuse block (on left side of engine compartment)
Veh stop fuse 34 15a
Vehicle speed sig
W/ traction w/o traction

DEFOGGERS

Defoggers Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Defoggers Wiring Diagram for Isuzu Ascender S 2005:

A1 c2
B11
Bat
Computer data lines system
Driver outside rearview mirror
Driver's door module (on lower part of driver's door switch panel)
Front passenger's door module (on lower part of passenger's door switch panel)
G401 (on lower left "d" pillar)
Gnd
Hot at all times
Htr
Hvac control module (auxiliary: at rear of lower console)
Lgm 2 fuse 3 30a
Liftgate module (inside liftgate)
Mirror heater
Passenger outside rearview mirror
R def
Rear fuse block (below left rear seat)
Rear window defogger grid
Serial data
Sply volt
Tan

ENGINE PERFORMANCE

4.2L

4.2L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender S 2005

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List of elements for 4.2L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender S 2005:

start enable rly
(on lower left side of engine) g107
4wd low sig
5 volt ref
A/c compr rel
A/c press sens
Accelerator pedal position (app) sensor (w/ eap: under left side of i/p) (w/o eap: on accelerator bracket)
Air conditioning system
Air fuse 56 60a
Air pump relay
Air sol fuse 54 15a
Air sol relay
Anti lock brakes system
App sens 1 sig
App sens 2 sig
B10
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Cc on sw input
Cls 2 data
Cool fan clutch
Cooling fan sp
Cooling fans system
Crank req sig
Crank voltage
Cruise control system
Cruise control system transmissions system
D11
Data link connector (below dash, above accelerator pedal)
E11
Eng spd sig out
Etc/tcc brk sig
F14
Fuel lvl sens sig
Fuel tank press
Fuel tank pressure sensor (at top left rear of fuel tank)
G305 (on outside of left frame rail, near fuel tank)
Hot at all times
Hot in acc, run or start
Hot in run or start
Iat sens sig
Ign 0 fuse 47 10a
Ign 0 input
Ign 1 volt
Ign e fuse 22 10a
Instrument cluster system
Instrument panel cluster
Intake air temperature (iat) sensor (in air intake duct,
Lo ref
Low ref
Malfunction indicator lamp
Mil ctrl
On top right of engine)
Pcm b fuse 10 20a
Pnk
Powertrain control module (pcm) (on left front of engine)
Rear fuse block (below left rear seat)
Red
Res/acc sw
Secondary air injection (air) pump (on left frame rail, near ebcm)
Secondary air injection (air) pump relay (on left frame rail, near ebcm)
Secondary air injection (air) solenoid
Set/cruise sw
Sp205 (below left side of i/p)
Starting/ charging system
Stop lamp volt
Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket)
Tan
Underhood fuse block (on left side of engine compartment)
Vss
Vss signal out

4.2L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender S 2005

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List of elements for 4.2L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender S 2005:

A11
Eng 1 fuse 26 10a
Engine oil pressure switch (on bottom right side of engine)
Evaporative emission (evap) canister purge solenoid (left side of engine)
Evaporative emission canister vent solenoid (rear of fuel tank)
F/pmp relay
Fuel pump & sender assembly
G107 (on lower left side of engine)
G108 (on lower left side of engine)
G305 (on outside of left frame rail, near fuel tank)
Hot at all times
Hot in run or start
Park/neutral position switch (on left side of transmission)
Pcm b fuse 10 20a
Pnk
Pnk a
Under- hood fuse block (on left side of engine compt)
Vehicle speed sensor (2wd: on right rear of transmission) (4wd: on left rear of transfer case)

4.2L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender S 2005

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List of elements for 4.2L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender S 2005:

(on right front of cylinder head) crankshaft position (cmp) sensor
1-2 shift sol ctrl
2-3 shift sol ctrl
3-2 shift sol
5v ref
Anti lock brakes system
Cam pos sol hi
Camshaft actuator solenoid assembly (on right front of cylinder head)
Ckp sens sig
Deliv torque sig
Ect sens sig
Engine coolant temperature (ect) sensor (left front of engine, near generator)
Evap can prg ctl
Evap can vent
Fuel inj 1
Fuel inj 2
Fuel inj 3
Fuel inj 4
Fuel inj 5
Fuel inj 6
Fuel pump rly ctrl
G108 (on lower left side of engine)
Gfd cyc sig
Ground powertrain control module (pcm) (on left front of engine)
H02 hi sig b1 s2
H02s hi sig b1 s1
H02s lo sig b1 s2
Heated oxygen sensor 1 (right side of engine, on exhaust manifold)
Heated oxygen sensor 2 (in exhaust pipe, adjacent to transmission)
Ho2s htr lo b1 s1
Ho2s htr lo b1 s2
Ho2s lo sig b1 s1
Hot at all times
Hot in run or start
Ic 1 ctrl
Ic 2 ctrl
Ic 3 ctrl
Ic 4 ctrl
Ic 5 ctrl
Ic 6 ctrl
Injectors
Low ref
Manifold absolute pressure (map) sensor (on upper left side of engine)
Map sens sig
Nca
O2 fuse 29 10a
Oil pres sw sig
Pc sol high ctrl
Pc sol low ctrl
Pcm 1 fuse 28 15a
Pnk
Powertrain control module (pcm) (on left front of engine)
Req torque sig
Starting/ charging system
Tan
Tcc pwm sol
Tcc sol vlv ctrl
Trans range sw a
Underhood fuse block (on left side of engine compartment)
Vss high sig
Vss low signal

4.2L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender S 2005

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List of elements for 4.2L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender S 2005:

Automatic
Automatic transmission
Automatic transmission fluid pressure manual valve position switch
C10
Ctrl
D10
D2 sw
D3 sw
D4 sw
E10
F10
G109 (on lower side of engine)
Gnd
Ign
Ignition coils (top of engine)
Lo sw
Nca
Pnk
Pnk a
Pressure control
Red
Rev sw
Solenoid 1-2 shift red
Solenoid 2-3 shift red
Solenoid 3-2 shift red
Solenoid tcc pmw red
Solenoid tcc red
Solenoid valve
Spark plug
Tan
Temperature sensor
Transmission fluid
Underhood fuse block (on left side of engine compartment)
Valve

4.2L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender S 2005

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List of elements for 4.2L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender S 2005:

(not used)
12v ref
5v ref
Air solenoid relay
Camshaft position (cmp) sensor (on right front of cylinder head)
Cmp sens sig
Cooling fans system
Damping l/d sig
Gen turn on sig
Hot in run or start
Ign 1 voltage
Knock sensor 1 (front) (on lower left front of engine block)
Knock sensor 2 (rear) (on lower left rear of engine block)
Ks 1 sig
Ks 2 sig
Low oil press sw
Low ref
Pnk
Powertrain control module (pcm) (on left front of engine)
Red
Starting/charging system
Tac fuse 23 10a
Tac motor
Tac mtr ctrl 1
Tac mtr ctrl 2
Tfp sw sig a
Tfp sw sig b
Tfp sw sig c
Tft sens sig
Throttle body (throttle position sensor)
Tp sens 1 sig
Tp sens 2 sig
Trs sig b
Trs sig c
Trs sig p
Underhood fuse block (on left side of engine compartment)

5.3L

5.3L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender S 2005

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List of elements for 5.3L, Engine Performance Wiring Diagram (1 of 5) for Isuzu Ascender S 2005:

(not used)
5 volt
A/c ref pre sen
A/c refrigerant pressure sensor (on bottom right side of engine)
A12
Anti-lock brakes system
App sens 1
App sens 2
Battery
Computer data lines system
Cool fan clu ctrl
Cool fan speed sig
Cooling fans system
Crank fuse 17 10a
Crank volt
Cruise control system
Cruise on sw sig
Ecm i fuse 10a
Eng speed sig
Engine control module (ecm) (on left front of engine compt)
Engine speed
Evap can
Evaporative emission (evap) canister vent solenoid (rear of fuel tank)
Exterior lights system
Ftp sens
Fuel lvl sens sig
Fuel pump & sender assembly
Fuel pump rly
Fuel tank pressure (ftp) sensor (at top left rear of fuel tank)
Fuel/ pmp relay
G107 (lower left side of engine)
G305 (on outside of left frame rail, near fuel tank)
Hot at all times
Hot in run or start
Hot in start
Ign 0 volt
Ign 1 volt
Ign e fuse 10a
Instrument cluster system
Instrument panel cluster
Logic
Low ref
Malfunction indicator lamp
Mil ctrl
Pcm b fuse 10 20a
Pnk
Pnp sw
Pwr diag
Res/acc sw sig
Serial data
Serial data 2
Set/coast sw sig
St/lp fuse 12 25a
Start relay
Starting/charging system
Stop lamp volts
Stoplamp switch (w/o eap: on brake pedal support) (w/ eap: top of brake pedal bracket)
Tan
Tcc brake sw
Tcm/ canister fuse 15 10a
Underhood fuse block (on left side of engine compt)
Vss

5.3L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender S 2005

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List of elements for 5.3L, Engine Performance Wiring Diagram (2 of 5) for Isuzu Ascender S 2005:

(on brake booster) brake booster vacuum sensor
(w/ eap: under lfet side of i/p) (w/o eap: on accelerator bracket) accelerator pedal position (app) sensor
4wd lo sig
5 volt
A/c comp rly
Air conditioning system
Anti-lock brakes system
Brk booster
Cooling fans system
Cylinder shutoff solenoid 1
Cylinder shutoff solenoid 2
Cylinder shutoff solenoid 3
Cylinder shutoff solenoid 4
Del torque
Engine control module (ecm) (on left front of engine compt)
Front hi sig
Ho2s hi sig
Ho2s htr lo
Ho2s htr sig
Ho2s lo sig
Hot in acc, run or start
Iat sensor
Ign 0 fuse 47 10a
Low ref
Maf sensor
Pnk
Rear fuse block (below left rear seat)
Req torq
Tan
Transmissions system
Valve lifter oil manifold (vlom) assembly
Veh stop fuse 34 15a

5.3L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender S 2005

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List of elements for 5.3L, Engine Performance Wiring Diagram (3 of 5) for Isuzu Ascender S 2005:

(on left side of engine compt) underhood fuse block
(on right rear of engine, near starter) crankshaft position (ckp) sensor
(on top of of engine)
(on top rear of engine, near transmission) camshaft position (cmp) sensor
(on top rear of engine, near transmission) engine oil pressure (eop) sensor
A11
C11
Ecm fuse 29 10a
Eng i fuse 26 15a
Evaporative emission (evap) canister purge solenoid
F10
F11 f11
G108 (lower left side of engine)
Heated oxygen sensor (ho2s) bank 1 sensor 1 (on left bank exhaust pipe, ahead of catalytic converter)
Heated oxygen sensor (ho2s) bank 1 sensor 2 (on left bank exhaust pipe, behind catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 1 (on right bank of exhaust pipe, ahead of catalytic converter)
Heated oxygen sensor (ho2s) bank 2 sensor 2 (on right bank exhaust pipe, behind catalytic converter)
Hot at all times
Iat
Inj a fuse 31 20a
Inj b fuse 56 20a
Maf
Mass airflow (maf)/intake air temperature (iat) sensor (in air intake duct)
Nca
O2a fuse 55 10a
O2b fuse 54 10a
Pnk
Pnk pnk
Powertrain relay 60
Red
Tac fuse 23 15a
Tan
Underhood fuse block (on left side of engine compt)

5.3L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender S 2005

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List of elements for 5.3L, Engine Performance Wiring Diagram (4 of 5) for Isuzu Ascender S 2005:

Fuel injectors
Left knock sensor (ks) 1 (left side of engine)
Manifold absolute pressure (map) sensor (on top of engine)
Pnk
Red
Tan
Throttle body

5.3L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender S 2005

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List of elements for 5.3L, Engine Performance Wiring Diagram (5 of 5) for Isuzu Ascender S 2005:

(left side of engine)
12 volt ref
5 volt ref
Ckp sensor
Cmp sensor
Ctrl
Cyl shut sol 1
Cyl shut sol 2
Cyl shut sol 3
Cyl shut sol 4
Ect sens sig
Engine control module (ecm) (on left front of engine compt)
Engine coolant temperature (ect) sensor (left front of engine)
Evap can sol
Fuel inj 1 ctrl
Fuel inj 2 ctrl
Fuel inj 3 ctrl
Fuel inj 4 ctrl
Fuel inj 5 ctrl
Fuel inj 6 ctrl
Fuel inj 7 ctrl
Fuel inj 8 ctrl
G109
Gen field
Gnd
Ho2s heater lo
Ho2s hi
Ho2s hi sig
Ho2s htr lo
Ho2s low
Ho2s low sig
Ign
Ign ctrl 1
Ign ctrl 2
Ign ctrl 3
Ign ctrl 4
Ign ctrl 5
Ign ctrl 6
Ign ctrl 7
Ign ctrl 8
Ignition coils
Ks 1 sens sig
Ks 2 sensor sig
Low ref
Map sensor
Nca
Nca nca
Oil press
Pnk
Red
Ref lo
Right knock sensor (ks) 2 (right side of engine)
Spark plug
Starting/ charging system
Tac mtr ctrl 1
Tac mtr ctrl 2
Tan
Tp sens 1 sig
Tp sens 2 sig

EXTERIOR LIGHTS

Exterior Lamps Wiring Diagram (1 of 2) for Isuzu Ascender S 2005

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List of elements for Exterior Lamps Wiring Diagram (1 of 2) for Isuzu Ascender S 2005:

(ipc)
(on left front of engine) engine control module (ecm)
(on left front of engine) powertrain control module (pcm)
4.2l
5.3l
A10
A14
Auto
Back-up lamps circuit
Body control module (bcm) (beneath left rear seat, on rear fuse block)
D10
Drl defeat
Elek brk fuse 19 30a
F park fuse 37 10a
G102 (at left side of engine compt)
G103 (at right rear of engine compt)
G107 (4.2l: on lower left side of engine) (5.3l: lower left side of engine)
G201
G403 (on left side of rear frame crossmember)
Hazard switch
Head
Headlamp switch
Hot at all times
Ign e fuse 22 10a
Instrument panel cluster
Left
Left front marker lamp
Left front park/ turn signal lamp
Left turn ind
Nca
Park
Park lamp relay 30
Pnk
Prk lmp on
Prk lmp rly
Rear fuse block (below left rear seat)
Red
Right
Right front marker lamp
Right front park/ turn signal lamp
Right turn ind
Sp201 (lower right center of dash)
Tan
To tr park fuse 42 (diagram 2 0f 2)
Trailer connector (under rear bumper)
Trailer fuse 32 30a
Transmission control module (tcm) (left front of engine compt)
Trl l trn fuse 51 10a
Trl r trn fuse 50 10a
Turn signal/ multi- function switch
Turn switch
Underhood fuse block (on left side of engine compt)

Exterior Lamps Wiring Diagram (2 of 2) for Isuzu Ascender S 2005

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List of elements for Exterior Lamps Wiring Diagram (2 of 2) for Isuzu Ascender S 2005:

Battery
C2 f2
Center high mount stop lamp (chmsl)
Driver outside rearview mirror
Driver's door module (on lower part of driver's door switch panel)
Flash fuse 52 25a
From a f park fuse 37 (diagram 1 0f 2)
Front passenger's door module (on lower part of passenger's door switch panel)
G201
G401 (on lower left "d" pillar)
G402 (on lower right "d" pillar)
Ground
Hazard sw
Hot at all times
Left license lamp
Left tail lamp assembly
Left turn fuse 38 10a
Lr lamp volt
Lr park fuse 14 10a
Lt trn sig voltage
Lt turn sig
Mirror lt turn sig
Mirror rt turn sig
Park
Passenger outside rearview mirror
Rear fuse block (below left rear seat)
Right license lamp
Right tail lamp assembly
Rr lamp volt
Rr park fuse 17 10a
Rt trn sig voltage
Rt turn fuse 43 10a
Rt turn sig
Sp201 (lower right center of dash)
St/lp fuse 12 25a
Stop
Stoplamp sw
Stoplamp switch (w/ eap: top of brake pedal bracket) (w/o eap: on brake pedal support)
Tan
Tr park fuse 42 10a
Turn
Turn signal/hazard flasher module (behind left side of dash)
Underhood fuse block (on left side of engine compt)
Veh chmsl fuse 16 10a
Veh stop fuse 34 15a

4.2L

4.2L, Back-up Lamps Wiring Diagram for Isuzu Ascender S 2005

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List of elements for 4.2L, Back-up Lamps Wiring Diagram for Isuzu Ascender S 2005:

A trailer connector (under rear bumper)
A9 c1
B12
B13
B13 c4
Back up
Back up fuse 27 15a
Back up lamp voltage c3
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C3 b4
Computer data lines system
G108 (on lower left side of engine)
G401 (on lower left "d" pillar)
G402 (on lower right "d" pillar)
Hot at all times
Hot in run or start
Left tail lamp assembly
Nca
Park/neutral position switch (on left side of transmission)
Pnk
Powertrain control module (pcm) (on left front of engine)
Rear fuse block (below left rear seat)
Right tail lamp assembly
Ser data
Serial data
Tbc 5 fuse 32 10a
Tr sw a
Tr sw b
Tr sw c
Tr sw p
Trlr b/u fuse 4 10a
Underhood fuse block (on left side of engine compt)

5.3L

5.3L, Back-up Lamps Wiring Diagram for Isuzu Ascender S 2005

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List of elements for 5.3L, Back-up Lamps Wiring Diagram for Isuzu Ascender S 2005:

A trailer connector (under rear bumper)
A9 c1
B12
B13
B13 c4
Back up
Back up fuse 27 15a
Back up lamp voltage c3
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Bus+
Bus-
C3 b4
Computer data lines system
Engine control module (ecm) (on left front of engine compt)
G108 (lower left side of engine)
G401 (on lower left "d" pillar)
G402 (on lower right "d" pillar)
Hot at all times
Hot in run or start
Left tail lamp assembly
Nca
Park/neutral position switch (on left side of transmission)
Pnk
Rear fuse block (below left rear seat)
Right tail lamp assembly
Serial data
Tan
Tbc 5 fuse 32 10a
Tr sw a
Tr sw b
Tr sw c
Tr sw p
Transmission control module (tcm) (left front of engine compt)
Trlr b/u fuse 4 10a
Underhood fuse block (on left side of engine compt)

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 4) for Isuzu Ascender S 2005

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List of elements for Ground Distribution Wiring Diagram (1 of 4) for Isuzu Ascender S 2005:

(lwb) coolant bypass valve
A/c low pressure switch
A12
Audio amplifier ground shield
Battery
Braided wire
C10
C103 d
Cooling fan
D10
Data link connector (dlc)
Digital radio receiver
E10
F10
Front passenger door module (fpdm)
G101 (at left side of engine compartment)
G102 (at left side of engine compartment)
G103 (at right rear of engine compartment)
G104 (at left rear of hood)
G105 (at left side of engine compartment)
G106 (on left front wheelwell)
G109 (4.2l) (on lower left side of engine)
G110 (4.2l: on lower left side of engine) (5.3l: lower left side of engine)
G303 (on lower right "b" pillar)
Hazard lamp switch
Headlamp dimmer switch
Horn assembly
Hvac control module
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition key alarm switch
Inflatable restraint front passenger presence system (pps) module
Inflatable restraint sensing & diagnostic module (sdm)
Instrument panel cluster (ipc)
Nca
Onstar ground shield
Onstar microphone ground shield 2
Passenger seat
Radio
Radio ground shield
Rear window washer fluid pump
Right front fog lamp
Right front park/turn signal lamp
Right headlamp
Right rear door latch assembly
Right rear window switch
Rollover sensor
Tan
Transfer case shift control module
Turn signal multifunction switch
Underhood fuse block (on left side of engine compt)
Vehicle communication interface module (vcim)
W/ premium sound bose system
Windshield washer fluid level switch
Windshield washer fluid pump
Windshield wiper motor
Windshield wiper/ washer switch

Ground Distribution Wiring Diagram (2 of 4) for Isuzu Ascender S 2005

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List of elements for Ground Distribution Wiring Diagram (2 of 4) for Isuzu Ascender S 2005:

(4.2l) secondary air injection (air) pump
(limited) left quarter glass switch
(limited) right quarter glass switch
(lwb) left rear reading lamp
(lwb) rap relay 22
(lwb) right rear reading lamp
A11
B11
Body control module (bcm)
Cargo lamp
Center courtesy/ reading lamp
Driver door module (ddm)
Driver seat
Electronic brake control module (ebcm)
Front courtesy/ reading lamp
Fuel pump & sender assembly
G302 (on lower
G304 (outside of left frame rail, near electronic brake control module)
G305 (on outside of left frame rail, near fuel tank)
G306 (on body panel, left of rear door)
Garage door opener
Inside air temperature sensor assembly
Inside rearview mirror
Left "b" pillar)
Left rear door latch assembly
Left rear window switch
Left vanity mirror lamp
Lock relay 18
Nca
Onstar ground shield 1
Outside moisture sensor
Rear fuse block (below left rear seat)
Right vanity mirror lamp
Sun roof module
Sun roof switch
Swb
Unlock relay 24

Ground Distribution Wiring Diagram (3 of 4) for Isuzu Ascender S 2005

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List of elements for Ground Distribution Wiring Diagram (3 of 4) for Isuzu Ascender S 2005:

(2wd) traction control switch
(5.3l)
(auto) auxiliary hvac control module
(left side of engine)
(not used)
(swb) auxiliary blower motor
Automatic a/c
Automatic transmission shift lock actuator
Auxiliary hvac control module
Auxiliary mode actuator
Auxiliary power outlet console
B16
Blower motor control module
Blower motor resistor assembly
C10
Cigar lighter
Console auxiliary power outlet
D10
Data link connector (dlc)
E10
Electronic adjustable pedals (eap) relay
Front auxiliary power outlet
G109
G201 (near right front of lower console)
Headlamp switch
Hvac control module
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Ignition lock cylinder control actuator
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Lwb lwb
Manual a/c
Nca
Rear window wiper/ washer switch
Recirculation actuator
Splice pack sp201 (lower right center of dash)
Steering wheel control assembly
Steering wheel control switch assembly lower left
Steering wheel control switch assembly lower right
Steering wheel control switch assembly upper left
Steering wheel control switch assembly upper right
Swb
Transfer case shift control module
Transfer case shift control switch
Turn signal/ hazard flasher module
Underhood fuse block (on left side of engine compartment)

Ground Distribution Wiring Diagram (4 of 4) for Isuzu Ascender S 2005

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List of elements for Ground Distribution Wiring Diagram (4 of 4) for Isuzu Ascender S 2005:

(4.2l) secondary air injection (air) solenoid
(not used) (5.3l)
4.2l
5.3l
A/c compressor clutch assembly
Audio amplifier
Auxiliary blower motor control processor
Brake fluid level switch
C c102
Cargo lamp
Center high mounted stoplamp (chmsl)
E6 c1
Eap relay 49
Engine control module (ecm)
F/pump relay 41
Fan relay 45
Front axle actuator
G107 (4.2l: on lower left side of engine) (5.3l: lower left side of engine)
G108 (4.2l: on lower left side of engine) (5.3l: lower left side of engine)
G401 (on lower left "d" pillar)
G402 (on lower right "d" pillar)
G403 (on left side of rear frame crossmember)
Hdm relay 46
Left front fog lamp
Left front park/turn signal lamp
Left headlamp
Left license lamp
Left taillamp assembly
Liftgate module (lgm)
Mass air flow (maf) sensor/ intake air temperature (iat)
Nca
Park/ neutral position (pnp) switch
Powertrain control module (pcm)
Rear window defogger grid
Rear window wiper motor
Right license lamp
Right taillamp assembly
Trailer connector
Transmission control module (tcm)
Underhood fuse block (on left side of engine compartment)
W/ premium sound bose system, lwb
W/ premium sound bose system, swb

HEADLIGHTS

Headlights Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Headlights Wiring Diagram for Isuzu Ascender S 2005:

(4.2l) (5.3l)
(lower right center of dash) sp201
5.3l
A c2
A12
Ambient light sensor
Ambient light/ sunload sensor assembly (in center of upper dash trim panel)
Auto
Automatic a/c
B10
B14
B14 c4
B3 c2
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C12 c2
C2 c2
C4 f2
Coils fuse 14 10a
Drl defeat
Drl defeat ctrl
Drl defeat ind
E11
E14
E6 c1
F10
Flash to pass
Fog lamp ind
Fog lamp sw
Fog lamp switch
Fog lp fuse 11 10a
Foglamp relay 39
G102 (at left side of engine compt)
G103 (at right rear of engine compt)
G107 (lower left side of engine)
G108 (lower left side of engine)
G201
Hdlmp on sig
Hdm fuse 53 fuse 57 15a
Head
Head- lamp on ind
Headlamp driver module relay 46
Headlamp hi-relay 43
Headlamp switch
High beam
Hot at all times
Ind ctrl
Interior lights system
Led dim sig
Left front foglamp
Left headlamp
Left high beam headlamp
Left low beam headlamp
Low beam
Low ref
Lt high hdlp fuse 5 10a
Lt low hdlp fuse 6 10a
Manual a/c
Nca
Park
Pnk
Rear fuse block (below left rear seat)
Right front foglamp
Right headlamp
Right high beam headlamp
Right low beam headlamp
Rly ctrl
Rt hi hdlp fuse 2 10a
Rt low hdlp fuse 3 10a
Sense sig
Sw on sig
Tan
Turn signal/ multifunction switch
Underhood fuse block (on left side of engine compt)
Wiper/ washer system

HORN

Horn Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Horn Wiring Diagram for Isuzu Ascender S 2005:

A note horn
Body control module (bcm) (beneath left rear seat, on rear fuse block)
E12
F note horn
F4 c4
G103 (at right rear of engine compt)
Horn assembly (in left front of engine compt)
Horn fuse 21 15a
Horn relay
Horn relay control
Hot at all times
Switch
Turn signal/ multifunction switch horn
Underhood fuse block (on left side of engine compt)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Instrument Cluster Wiring Diagram for Isuzu Ascender S 2005:

(4.2l: on left front of engine) (5.3l: on left front of engine compt)
(below left rear seat) rear fuse block
(not used)
(on lower left side of engine) g107
12v 5v
12v out
4.2l
5 volt ref
5.3l
5v gnd
A10
A11
A12
A13
A14
Air bag ind
Anti-lock brake ind
B10
B11
B12
B8 brake fluid level sensor c2
Batt
Battery ind
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Brake fluid level switch (in brake master cylinder fluid reservoir)
Brake ind
Change eng oil ind
Check gauges ind
Class 2
Class 2 data
Class2
Computer data lines system
Computer data lines system
Cruise engage ind
Dic
Dic fuel sig
Dic set/reset
Dic trip sig
Electronic brake control module (on inner left frame rail, adjacent to transmission)
Eng speed
Eng speed sig
Engine controls system
Engine oil pressure switch (4.2l) (on bottom right side of engine)
Exterior lights system
Fuel
Fuel gauge
Fuel level
Fuel pump & sender assembly
Fuel/trip switch
G102 (at left side of engine compt)
G201
Gnd
Gnd 12v
Ground distribution system
High beam ind
Hot at all times
Hot in run or start
Ign 1
Ign e fuse 22 10a
Illumination (8 bulbs)
Inflatable restraint steering wheel module (on steering wheel)
Instrument panel cluster (ipc)
Interior lights system
Ipc/dic fuse 24 10a
Left turn
Left turn ind
Lo washer fluid
Logic
Low coolant
Low fuel ind
Low ref
Malfunction ind (service engine soon)
Mil ctrl
Nca
Odometer
Oil gauge
Oil pres sig
Oil press sw
Oil pressure sensor (5.3l) (on top rear of engine, near transmission)
Park brake switch (on park brake assembly)
Personalization sig
Personalization trip
Pnk
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l)
Prnd321
Reduce eng power ind
Right turn
Right turn ind
Seat belt ind
Security ind
Select
Select personalization switch
Service 4wd/awd ind
Sound systems (bose)
Sp201 (lower right center of dash)
Speedometer
Steering wheel control assembly (on steering column)
Tachometer
Tailgate ajar ind
Temp gauge
Trip
Underhood fuse block (on left side of engine compt)
Volts gauge
Vss
W/ traction
W/o traction
Wiper/washer system

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram (1 of 2) for Isuzu Ascender S 2005

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List of elements for Courtesy Lamps Wiring Diagram (1 of 2) for Isuzu Ascender S 2005:

(not used)
A11
A12
B11
B17
B18
Batt +
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C1 f12
C2 b10
C3 f6
C4 b3
Courtesy lamp switch
Data
Door ajar
Door ajar input
Driver door latch assembly
Driver's door module (on lower part of driver's door switch panel)
F10
F11
F8 c2
Front passenger door latch assembly
Front passenger's door module (on lower part of passenger's door switch panel)
G201
G302 (on lower left "b" pillar)
G303 (on lower right "b" pillar)
Gnd
Ground
Headlamp switch
Hot at all times
Interior lamp defeat switch
Lamp ctrl
Lamp on
Lamp supp
Left rear door latch assembly
Lift gate ajar input
Lift glass ajar input
Liftgate latch assembly (on liftgate)
Liftgate module (inside liftgate)
Liftglass ajar switch (inside top of liftgate)
Lmp defeat
Low ref
Lr dr sig
Nca
Rear fuse block (below left rear seat)
Right rear door latch assembly
Rr dr sig
Serial data class 2
Sp201 (lower right center of dash)
Sp205 (below left side of i/p)
Sp306 (under right rear seat)
Tan
Tbc 3 fuse 4 10a
Tbc 4 fuse 40 10a

Courtesy Lamps Wiring Diagram (2 of 2) for Isuzu Ascender S 2005

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List of elements for Courtesy Lamps Wiring Diagram (2 of 2) for Isuzu Ascender S 2005:

Cargo lamp (lwb)
Cargo lamp (swb)
Center courtesy/ reading lamp
Courtesy
Front courtesy/ reading lamp
G302 (on lower left "b" pillar)
Left rear reading lamp (lwb)
Left vanity mirror lamp
Nca
Reading
Right rear reading lamp (lwb)
Right vanity mirror lamp

Instrument Illumination Wiring Diagram (1 of 2) for Isuzu Ascender S 2005

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List of elements for Instrument Illumination Wiring Diagram (1 of 2) for Isuzu Ascender S 2005:

(automatic a/c)
(automatic a/c) (manual a/c)
(manual a/c)
A15
Auxiliary hvac control module (at rear of lower console)
B c1
B1 a1
B1 b16
B9 c1
C1 c
C3 e3
C4 b13
Front auxiliary blower motor switch
G201
G302 (on lower left "b" pillar)
G303 (on lower right "b" pillar)
Garage door opener
Headlamp switch
Hot at all times
Hvac control module
Inflatable restraint steering wheel module coil
Instrument panel cluster (ipc)
Left quarter glass switch (lwb)
Left rear window switch
Lower left switch
Lower right switch
Lwb
Nca
Rear fuse block (below left rear seat)
Rear window wiper/ washer switch
Right quarter glass switch (lwb)
Right rear window switch
Sp201 (lower right center of dash)
Steering wheel control assembly (on steering column)
Steering wheel controls fuse
Sunroof switch
Swb
Tbc 2 fuse 7 10a
Tbc 5 fuse 32 10a
Traction control switch
Transfer case shift control switch
Upper left switch
Upper right switch

Instrument Illumination Wiring Diagram (2 of 2) for Isuzu Ascender S 2005

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List of elements for Instrument Illumination Wiring Diagram (2 of 2) for Isuzu Ascender S 2005:

2wd
4 hi
4 lo
5v ref
A10
Afwd
Auto
B1 pulse width modulated
B10
B11
B13
B14
Batt +
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C4 b11
D1 c2
Data
Dimming
Driver memory seat switch
Driver's door module (on lower part of driver's door switch panel)
Drl defeat
E11
Electronic brake control module (on inner left frame rail, adjacent to transmission)
F8 c2
Fog rly ctrl
G102 (at left side of engine compt)
G201
G302 (on lower left "b" pillar)
Ground
Hdlp on
Head
Headlamp on indicator
Headlamp switch
Illum
Input
Lamp control
Lamp indicator front fog
Led dim
Low ref
Low traction
Mem pwr
Nca
Park
Park lamp on
Pnk
Rear fuse block (below left rear seat)
Sp201 (lower right center of dash)
Sp205 (below left side of i/p)
Sp306 (under right rear seat)
Traction control switch
Traction off
Transfer case shift control module (behind left lower dash)
Transfer case shift control switch
Underhood fuse block (on left side of engine compt)

MEMORY SYSTEMS

Adjustable Pedal Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Adjustable Pedal Wiring Diagram for Isuzu Ascender S 2005:

5v ref
Adj pedal
Aft
B10
Back up fuse 27 15a
Bat (+)
Batt
Batt (+)
C2 a5
C2 a8
C2 e7
Driver door module (on lower part of driver's door switch panel)
Driver memory seat switch
Driver's memory seat module (under driver's seat)
Eap assembly (under left side of dash)
Eap fuse 15 (4.2l) 15a fuse 59 (5.3l) 15a
Eap relay (in underhood fuse block)
Eap relay 49
Electronic adjustable pedals (eap) switch
Exit
Fore
Forward sig
Fuse holder
G108 (4.2l: on lower left side of engine) (5.3l: lower left side of engine)
G201
G302 (on lower left "b" pillar)
Ground
Hot at all times
Hot in on or start
Illum ctrl
Lgm/dsm fuse 19 10a
Low ref
Lt doors circuit breaker 2 25a
Mem
Mem 2 sw
Mem1 sw
Memory seats circuit
Nca
Park/neutral position (pnp) switch (on left side of transmission)
Pnk
Rear fuse block (below left rear seat)
Rearward sig
Red
Serial data
Sp201 (lower right center of dash)
Splice pack sp306 (under right rear seat)
Tan
Underhood fuse block (on left side of engine compt)

Driver"s Memory Seat Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Driver"s Memory Seat Wiring Diagram for Isuzu Ascender S 2005:

(under
5v ref
A10
A11
A12
Adj pedal
Adjustable pedal circuit
B10
B11
B12
Bac
Back
Batt
Batt (+)
C2 c10
Class 2 serial data
Ddm fuse 10a
Dr seat lum motor fwd
Dr seat lum motor rwd
Driver door module (on lower part of driver's door switch panel)
Driver lumbar adjust switch
Driver memory seat switch
Driver seat adjuster switch
Driver seat front position sensor
Driver seat front vertical motor
Driver seat horizontal motor
Driver seat horizontal position sensor
Driver seat lumbar horizontal motor
Driver seat lumbar horizontal position sensor
Driver seat rear position sensor
Driver seat rear vertical motor
Driver seat recline motor
Driver seat recline position sensor
Driver's seat)
Driver's memory seat module (under driver's seat)
Eap assembly (under left side of dash)
Exit
For- ward
Forward sig
Frt dwn
Frt up
Frt vert mtr dn ctrl
Frt vert mtr pos sen sig
Frt vert mtr up ctrl
Frt-dwn
Frt-up
Fwd
G302 (on lower left ``b" pillar)
Gnd
Ground c1
Heated seat back
Heated seat cushion
Heated seat pwr
Heated seat temp sens
Heated seat therm sig
Hor pos sens sig
Horiz mtr fwd ctrl
Horiz mtr pos sen sig
Horiz mtr rwd ctrl
Hot at all times
Illum ctrl
Lgm/dsm fuse 19 10a
Low ref
Lum forward sw sig
Lum mtr fwd ctrl
Lum rearward sw sig
Mem
Mem 1 sw
Mem 2 sw
Pnk
Rear down
Rear fuse block (below left rear seat)
Rear up
Rear- ward
Rearward sig
Rec bck
Rec for
Rec-back
Rec-for
Recline mtr fwd ctrl
Recline mtr pos sen sig
Recline mtr rwd ctrl
Red
Rr dwn
Rr up
Rr vert mtr dn ctrl
Rr vert mtr pos sen sig
Rr vert mtr up ctrl
Seats circuit breaker 30a
Seats system
Serial data c2
Splice pack sp306 (under right rear seat)
Sw power
Tan

Memory Mirrors Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Memory Mirrors Wiring Diagram for Isuzu Ascender S 2005:

(on lower right ``b" pillar) g303
5v ref
Bat (+)
Batt
C10
Class 2 serial data
Computer data lines system
D10
Ddm fuse 10 10a
Door switch panel)
Down
Down sig
Driver
Driver memory seat switch
Driver outside rearview mirror
Driver sig
Driver's door module (on lower part of driver's
Exit
Exterior lights system
Front passenger's door module (on lower part of passenger's door switch panel)
G302 (on lower left ``b" pillar)
Gnd
Heater gnd
Horiz
Horiz pos sig
Horizontal
Hot at all times
Ign pwr
Illum ctrl
Left
Left sig
Low ref
Lt doors circuit breaker 2 25a
Mem
Memory 1 sw
Memory 2 sw
Mir common
Mir down ctrl
Mir right ctrl
Mirror heater
Outside rearview mirror switch
Pass
Passenger outside rearview mirror
Passenger sig
Pdm fuse 12 10a
Pnk
Rear fuse block (below left rear seat)
Red
Right
Right sig
Rt doors circuit breaker 1 25a
Tan
Up sig
Vert
Vert pos sig
Vertical

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 6) for Isuzu Ascender S 2005

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List of elements for Power Distribution Wiring Diagram (1 of 6) for Isuzu Ascender S 2005:

(4.2l)
(4.2l) (5.3l)
(5.3l)
(not used)
(on left side of engine compt) underhood fuse block
1-2 shift solenoid (1-2 ss) valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
4.2l
4wd fuse 48 15a
A/c fuse 30 10a
A/c relay 44
A11
A18
Abs fuse 33 60a
Acc
Atc fuse 8 30a
Automatic transmission
Automatic transmission shift lock actuator
Auxiliary console mode actuator (swb)
Auxiliary hvac control module (swb)
B11
Battery
Body control module (bcm)
C175
C2 c1
Console mode actuator
Crank fuse 17 10a
D9 c1
Defrost actuator
Electronic brake control module
Elek brk fuse 19 30a
Engine control module (ecm) (5.3l)
F11
F6 a6
Fog lp fuse 11 15a
Fog lp relay 39
Front axle actuator
Fusible link (8 ga-red)
Generator
Horn fuse 21 15a
Horn relay 40
Hvac 1 fuse 39 10a
Hvac control module
Hvac control module (manual a/c)
Hvac fuse 44 30a
I/p batt fuse 48 125 a
Ign 0 fuse 47 10a
Ign a fuse 34 40a
Ignition switch
Left air temperature actuator
Lock
Nca
Off
Pnk
Powertrain control module (pcm) (4.2l)
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l)
Rear fuse block (below left rear seat)
Recirculation actuator
Red
Right air temperature actuator
Run
Start
Starter
Starter relay 47
Starter solenoid
Tbc ig fuse 50 3a
To blower fuse 35 (diagram 2 of 6)
To brake fuse 51 (diagram 2 of 6)
To rear fuse block lgm/dsm fuse 19 (diagram 4 of 6)
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Traction control switch (2wd) (automatic a/c)
Trailer connector
Trailer fuse 32 30a
Transfer case
Transfer case shift control module
Transfer case shift control switch
Turn signal/ multi-function switch
Underhood fuse block (on left side of engine compt)
Underhood fuse block (on left side of engine compt) c1
W/s wash fuse 9 15a
W/s wash relay 42

Power Distribution Wiring Diagram (2 of 6) for Isuzu Ascender S 2005

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List of elements for Power Distribution Wiring Diagram (2 of 6) for Isuzu Ascender S 2005:

(4.2l) (5.3l)
(not used)
(on left side of engine compt) underhood fuse block
(swb) (lwb)
(w/ traction control)
(w/o traction control)
4.2l
5.3l
A20
Acc
Air fuse 56 60a (4.2l)
Automatic a/c
Aux pwr 1 fuse 46 20a
B10
B15
Blower fuse 35 40a
Blower motor control module
Blower motor resistor assembly
Body control module (bcm)
Brake fuse 51 10a
C11
Center high mounted stop lamp
Cigar fuse 13 20a
Cigar lighter
Console auxiliary power outlet
Data link connector (dlc)
Eap fuse 15 fuse 59 15a
Eap relay 49
Ecas fuse 1 30a
Electronic adjustable pedals (eap) relay
Electronic brake control module (ebcm)
Engine control module (ecm)
Flash fuse 52 25a
From b elek brk fuse 19 (diagram 1 of 6)
From hvac 1 c fuse 39 (diagram 1 of 6)
From rear l fuse block (diagram 4 of 6)
Front auxiliary power outlet
Front wiper motor
Frt wpr fuse 33 25a
G201
Ign b fuse 36 40a
Ignition switch
Instrument panel cluster (ipc)
Ipc/dic fuse 24 10a
Left tail lamp assembly
Lock off
M e
Manual a/c
Nca
Outside moisture sensor
Pnk
Powertrain control module (pcm)
Rain fuse 29 10a
Rear fuse block (below left rear seat)
Red
Right tail lamp assembly
Run
Secondary air injection (air) pump relay
Sp201 (lower right center of dash)
St/lp fuse 12 25a
Start
Stop lamp switch
Tbc acc fuse 31 3a
Tbc run fuse 52 3a
Tcm fuse 35 10a (5.3l)
To underhood fuse block (diagram 3 of 6)
To wash fuse 7 (diagram 3 of 6)
Transmission control module (tcm)
Turn signal/ hazard flasher module
Underhood fuse block (on left side of engine compt)
Veh chmsl fuse 16 10a
Veh stop fuse 34 15a

Power Distribution Wiring Diagram (3 of 6) for Isuzu Ascender S 2005

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List of elements for Power Distribution Wiring Diagram (3 of 6) for Isuzu Ascender S 2005:

(4.2l)
(5.3l)
4.2l
A/t shift lock actuator
B11
B2 c1
Back-up fuse 27 15a
Body control module (bcm)
Btsi fuse 25 10a
C12
C2 f8
Coils fuse 14 10a
E10
E12
Eap relay 49
Ecm fuse 29 10a (5.3l)
Eng 1 fuse 26 10a
Engine control module (ecm)
Evaporative emission (evap) canister purge solenoid
Evaporative emission (evap) canister vent solenoid
F/pmp relay 41
Fan fuse 20 10a
Fan relay 45
From d flash fuse 52 (diagram 2 of 6)
From ignition switch (diagram 2 of 6)
From pcm 1 fuse 28 f (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Hdlp-hi relay 43
Hdm fuse 53 (4.2l) fuse 57 (5.3l) 15a
Hdm relay 46
Headlights system
Heated oxygen sensor (ho2s) sensor 1
Heated oxygen sensor (ho2s) sensor 2
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Inflatable restraint front passenger presence (pps) module
Inflatable restraint sensing and diagnostic module (sdm)
Lt hi hdlp fuse 5 10a
Lt low hdlp fuse 6 10a
Nca
O2 fuse 29 10a
Park/neutral position (pnp) switch
Pcm 1 fuse 28 15a
Pcm b fuse 10 20a
Pnk
Powertrain control module (pcm)
Rear wash relay 38
Roll- over sensor
Rt hi hdlp fuse 2 10a
Rt low hdlp fuse 3 10a
Sir fuse 18 10a
Stop lamp switch
Tac fuse 23 10a
Tbc 1 fuse 31 (4.2l) fuse 58 (5.3l) 10a
Tcm/ canister fuse 15 10a (5.3l)
To ign e fuse 22 (diagram 4 of 6)
To o2 fuse 29 (diagram 3 of 6)
To powertrain relay 60 (diagram 6 of 6)
Trailer connector
Transmission control module (tcm)
Trlr b/u fuse 4 10a
Underhood fuse block (on left side of engine compt)
Wash fuse 7 20a

Power Distribution Wiring Diagram (4 of 6) for Isuzu Ascender S 2005

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List of elements for Power Distribution Wiring Diagram (4 of 6) for Isuzu Ascender S 2005:

(4.2l)
(not used)
A/c relay 44
A16 (automatic a/c) (manual a/c)
A19
Air sol fuse 54 15a
Air sol relay 55 (4.2l)
Amp fuse 11 20a
Audio amplifier
Auxiliary hvac control module (lwb)
B13
Body control module (bcm)
C10
D10
D12
Ddm fuse 10 10a
Digital radio receiver
Driver door module (ddm)
Driver memory seat module
E12
E2 c3
From backup fuse 27 g (diagram 3 of 6)
From hvac b fuse 36 h (diagram 4 of 6)
From underhood fuse block, battery fuse 48 (diagram 1 of 6)
Front passenger door module (fpdm)
Garage door opener
Hvac b fuse 36 10a
Hvac control module
Ign e fuse 22 10a
Inside rearview mirror
Instrument panel cluster (ipc)
Left rear window switch
Lgm/dsm fuse 19 10a
Liftgate module (lgm)
Lt doors circuit breaker 2 25a
Nca
Oh batt/onstar fuse 27 10a
Park/ neutral position (pnp) switch
Pdm fuse 12 10a
Pnk
Radio
Radio fuse 41 15a
Rear fuse block (below left rear seat)
Red
Right rear window switch
Rt doors circuit breaker 1 25a
Secondary air injection (air) pump relay (4.2l)
Stop lamp switch
Tbc 5 fuse 32 10a
Tbc ign 1 fuse 16 10a
To aux pwr 1 fuse 46 (diagram 2 of 6)
To ecm 1 fuse 28 (diagram 6 of 6)
To lgm 2 fuse 3 (diagram 5 of 6)
To tbc 5 fuse 32 (diagram 4 of 6)
Traction control switch (2wd) (manual a/c)
Turn signal/ multi- function switch
Underhood fuse block (on left side of engine compt)
Vehicle communication interface module (vcim)

Power Distribution Wiring Diagram (5 of 6) for Isuzu Ascender S 2005

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List of elements for Power Distribution Wiring Diagram (5 of 6) for Isuzu Ascender S 2005:

(not used)
A12
Auxiliary blower motor
Auxiliary blower motor control processor
B17
B17 c3
Blower motor auxiliary fuse 30a
Body control module (bcm)
Driver lumbar adjuster switch
Driver memory seat module
Driver seat adjuster switch
From amp fuse 11 j (diagram 4 of 6)
From tbc 4 k fuse 40 (diagram 5 of 6)
G302 (on lower left "b" pillar)
Left quarter glass switch
Lgm 2 fuse 3 30a
Liftgate module (lgm)
Lock relay
Locks fuse 10a
Lwb
Memory seats
Nca
Park lp relay 30
Passenger lumbar adjuster switch
Passenger seat adjuster switch
Power seats
Rap relay (lwb)
Rear fuse block (below left rear seat)
Rear window wiper motor
Right quarter glass switch
Rr fog fuse 5 10a (not used)
Rr fog lp relay 45 (not used)
Rr hvac fuse 13 30a
Rr wiper circuit breaker 9 15a
Seats circuit breaker 8 30a
Sun roof module (swb)
Sun roof motor
Sunroof fuse 28 (lwb) fuse 20 (swb) 20a
Tbc 2 fuse 7 10a
Tbc 3 fuse 4 10a
Tbc 4 fuse 40 10a
To vent wdo fuse (diagram 5 of 6)
Unlock relay
Vent wdo fuse 20 20a

Power Distribution Wiring Diagram (6 of 6) for Isuzu Ascender S 2005

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List of elements for Power Distribution Wiring Diagram (6 of 6) for Isuzu Ascender S 2005:

(5.3l)
(diagram 4 of 6)
(diagram 6 of 6)
1-2 shift solenoid (1-2 ss) valve
2-3 shift solenoid (2-3 ss) valve
3-2 shift solenoid (3-2 ss) valve
A11
Automatic transmission
C11
C175
Ecm 1 fuse 28 15a
Eng 1 fuse 26 15a
Engine control module (ecm)
Evapora- tive emis- sion (evap) canister purge solenoid
F10
F11
From air sol fuse 54 o
From inj b fuse 56 n
From pcm b fuse 10 (diagram 3 of 6)
Fuel injector 1
Fuel injector 2
Fuel injector 3
Fuel injector 4
Fuel injector 5
Fuel injector 6
Fuel injector 7
Fuel injector 8
Heated oxygen sensor (h02s) bank 1 sensor 1
Heated oxygen sensor (h02s) bank 1 sensor 2
Heated oxygen sensor (h02s) bank 2 sensor 1
Heated oxygen sensor (h02s) bank 2 sensor 2
Ignition coil 1
Ignition coil 2
Ignition coil 3
Ignition coil 4
Ignition coil 5
Ignition coil 6
Ignition coil 7
Ignition coil 8
Inj a fuse 31 20a
Inj b fuse 56 20a
Mass air flow (maf) sensor/ intake air temperature (iat)
O2 a fuse 55 10a
O2 b fuse 54 10a
Pnk
Powertrain relay 60 (5.3l)
Red
Tac fuse 23 15a
To o2a fuse 55 (diagram 6 of 6)
Torque converter clutch (tcc) solenoid valve
Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
Trans fuse 53 15a
Transmission control module (tcm)
Underhood fuse block (on left side of engine compt)
Valve lifter oil manifold (vlom) assembly

POWER DOOR LOCKS

Power Door Locks Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Power Door Locks Wiring Diagram for Isuzu Ascender S 2005:

A12
A13
Ajar sw low
Ajar sw sig
B10
Batt
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C10
C2 b5
C2 d
C4 a13
C4 a5
D10
Ddm fuse 10a
Door ajar
Driver door latch assembly (door ajar switch)
Driver door lock switch
Driver's door latch assembly
Driver's door module (on lower part of driver's door switch panel)
F10
Front passenger door module (on lower part of passenger's door switch panel)
Front passenger's door latch assembly
G302 (on lower left "b" pillar)
G303 (on lower right "b" pillar)
Ground
Hot at all times
Key buzzer
Left rear door latch assembly
Left rear door latch assembly (door ajar switch)
Lgm/dsm fuse 19 10a
Liftgate ajar
Liftgate latch assembly
Liftgate module (inside liftgate)
Liftgate open
Liftglass ajar switch) (inside top of liftgate)
Lock
Lock ctrl
Lock relay
Lock relay 18
Locks fuse 21 10a
Low ref
Lr door ajar
Lt doors circuit breaker 25a
Nca
Passenger door latch assembly (door ajar switch)
Passenger door lock switch
Pdm fuse 10a
Power
Rear fuse block (below left rear seat)
Right rear door latch assembly
Right rear door latch assembly (door ajar switch)
Rr door ajar
Rt doors circuit breaker 25a
Serial data
Sp205 (below left side of i/p)
Sp306 (under right rear seat)
Tan
Unlock
Unlock ctrl
Unlock relay
Unlock relay 24

POWER MIRRORS

Automatic Day/Night Mirror Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Automatic Day/Night Mirror Wiring Diagram for Isuzu Ascender S 2005:

(manual a/c) ambient air temperature sensor
Air temp sensor
B12
B6 c2
Back up lamp voltage output
Back up voltage
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Computer data lines system
E10
E12
G302 (on lower left ``b" pillar)
Ground
Hot in on or start
Ign 1
Ign e fuse 22 10a
Inside rearview mirror
Low ref
Manual a/c
Nca
On/off
Photo sensor
Pnk
Rear fuse block (below left rear seat)
Serial data
Underhood fuse block (on left side of engine compartment)

Power Mirrors Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Power Mirrors Wiring Diagram for Isuzu Ascender S 2005:

5v ref
Battery
C10
Class 2 serial data
Computer data lines system
D10
Ddm fuse 10 10a
Defogger
Defogger system
Down
Down sig
Driver
Driver outside rearview mirror
Driver sig
Driver's door module (on lower part of driver's door switch panel)
Front passenger's door module (on lower part of passenger's door switch panel)
G302 (on lower left "b" pillar)
G303 (on lower right "b" pillar)
Ground
Horiz pos sig
Horizontal
Hot at all times
Ign voltage
Left
Left sig
Low ref
Lt doors circuit breaker 2 25a
Mir common
Mir down ctrl
Mir right ctrl
Outside rearview mirror switch
Pass
Passenger outside rearview mirror
Passenger sig
Pdm fuse 12 10a
Pnk
Rear fuse block (below left rear seat)
Red
Right
Right sig
Rt doors circuit breaker 1 25a
Tan
Up sig
Vert pos sig
Vertical

POWER SEATS

8-Way Adjustable Power Seat Wiring Diagram for Isuzu Ascender S 2005

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List of elements for 8-Way Adjustable Power Seat Wiring Diagram for Isuzu Ascender S 2005:

(under driver's seat)
(under passenger's seat)
Driver seat adjuster switch
Driver's seat front vertical motor
Driver's seat horizontal motor
Driver's seat rear vertical motor
Driver's seat recline motor
Fwd
G302 (on lower
G303 (on lower right "b" pillar)
Hot at all times
Left "b" pillar)
Passenger seat adjuster switch
Passenger's seat front vertical motor
Passenger's seat horizontal motor
Passenger's seat rear vertical motor
Passenger's seat recline motor
Rear fuse block (below left rear seat)
Rwd
Seats circuit breaker 8 30a
Tan

Driver"s Heated Seat Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Driver"s Heated Seat Wiring Diagram for Isuzu Ascender S 2005:

(on lower left "b" pillar) g302
A11
A12
B10
B11
B12
Back only ind
Back only indicator
Back only select
Bat (+)
Batt
Batt (+)
Batt + voltage
C2 c10
Class 2 serial data
Ddm fuse 10a
Driver back heated seat element
Driver cushion heated seat element
Driver heated seat switch
Driver heated seat thermistor
Driver's door module (on lower part of driver's door switch panel)
Driver's memory seat module (under driver's seat)
G302 (on lower left "b" pillar)
Gnd
Ground
Heat mode select
Heated seat low ref
Heated seat pwr
Heated seat sply volt
Heated seat therm sig
Hi heat ind
Hi heat indicator
Hot at all times
Igm/dsm fuse 19 10a
Low heat ind
Low heat indicator
Low ref
Lt doors circuit breaker 2 25a
Med heat ind
Med heat indicator
Rear fuse block (below left rear seat)
Seats circuit breaker 8 30a
Serial data
Sp306 (under right rear seat)

Lumbar Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Lumbar Wiring Diagram for Isuzu Ascender S 2005:

Driver lumbar adjuster switch
Driver lumbar horizontal motor
G302 (on lower
G303 (on lower
Hot at all times
Left "b" pillar)
Out
Passenger lumbar adjuster switch
Passenger seat lumbar horizontal motor
Pnk
Rear fuse block (below left rear seat)
Right "b" pillar)
Seats circuit breaker 8 30a

Passenger"s Heated Seat Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Passenger"s Heated Seat Wiring Diagram for Isuzu Ascender S 2005:

(on lower left "b" pillar) g302
A10
B12
Back only ind
Back only indicator
Back only select
Bat (+)
Batt
Batt (+)
Batt + voltage
C2 c1
Class 2 serial data
D10
Driver's memory seat module (under driver's seat)
Front passenger's door module (on lower part of passenger's door switch panel)
Front passenger's heated seat switch
G303 (on lower right "b" pillar)
Gnd
Ground
Heat mode select
Heated seat element low ref
Heated seat element sply volt
Hi heat ind
Hi heat indicator
Hot at all times
Lgm/dsm fuse 6 10a
Low heat ind
Low heat indicator
Med heat ind
Med heat indicator
Passenger back heated seat element
Passenger cushion heated seat element
Passenger heated seat thermistor
Pdm fuse 10a
Pnk
Rear fuse block (below left rear seat)
Rt doors circuit breaker 1 25a
Seats circuit breaker 8 30a
Serial data
Sp306 (under right rear seat)
Tan

POWER TOP/SUNROOF

Power Top/Sunroof Wiring Diagram, Long Wheel Base for Isuzu Ascender S 2005

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List of elements for Power Top/Sunroof Wiring Diagram, Long Wheel Base for Isuzu Ascender S 2005:

(not used)
A12 nca
A12 rap relay c3
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Close
G302 (on lower left "b" pillar)
G306 (on body panel, left of rear door)
Ground
Hot at all times
Illum
Interior lights system
Low ref
Nca
Open
Power windows system
Rap relay 22
Rear fuse block (below left rear seat)
Sun roof motor (above headliner, at rear of sun roof)
Sun roof switch
Sunroof fuse 28 20a
Sw close
Sw open
Vent wdo fuse 20 20a

Power Top/Sunroof Wiring Diagram, Short Wheel Base for Isuzu Ascender S 2005

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List of elements for Power Top/Sunroof Wiring Diagram, Short Wheel Base for Isuzu Ascender S 2005:

A12 nca
A12 rap relay c3
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Close
G302 (on lower left "b" pillar)
G306 (on body panel, left of rear door)
Ground
Hot at all times
Illum
Interior lights system
Low
Nca
Open
Rear fuse block (below left rear seat)
Sun roof motor (above headliner, at rear of sun roof)
Sun roof switch
Sunroof fuse 20 20a
Sw close
Sw open

POWER WINDOWS

Power Windows Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Power Windows Wiring Diagram for Isuzu Ascender S 2005:

(on lower left ``b" pillar)
(on lower right ``b" pillar)
A6 nca
B5 nca
B6 nca
B7 nca
B8 nca
B9 nca
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Class 2 data
Ddm fuse 10 10a
Down
Down input
Down output
Down signal output
Driver's door module (on lower part of driver's door switch panel)
Driver's window motor (in driver's door)
Drivers window switch
Front passenger's door module (on lower part of passenger's door switch panel)
Front passenger's window motor (in right front door)
G302
G303
Ground
Hot at all times
Illum
Interior lights system
Left rear window motor (in left rear door)
Left rear window switch
Lockout indicator
Lockout switch
Lr down sig
Lr lockout control
Lr up sig
Lt doors circuit breaker 2 25a
Motor down control
Motor up control
Passenger window switch
Rear fuse block (below left rear seat)
Right rear window motor (in right rear door)
Right rear window switch
Rr down sig
Rr lockout control
Rr up sig
Rt doors circuit breaker 1 25a
Splice pack sp205 (below left side of i/p)
Splice pack sp306 (under right rear seat)
Switch power
Switch pwr
Tan
Up input
Up output
Up signal output
Window dn
Window up

Rear Quarter Windows Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Rear Quarter Windows Wiring Diagram for Isuzu Ascender S 2005:

A12
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Close
G302 (on lower left "b" pillar)
G306 (on body panel, left of rear door)
Hot at all times
Illum
Interior lights system
Left quarter glass actuator (on left quarterpanel)
Left quarter glass switch
Nca
Open
Rap relay 22
Rear fuse block (below left rear seat)
Right quarter glass actuator (on right quarterpanel)
Right quarter glass switch
Vent wdo fuse 20 20a

RADIO

Base Radio Wiring Diagram, with Rear Seat Audio for Isuzu Ascender S 2005

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List of elements for Base Radio Wiring Diagram, with Rear Seat Audio for Isuzu Ascender S 2005:

(lwb) w/ automatic a/c
(lwb) w/ manual a/c
A10
A11
A12
A16
Audio commom
Auxiliary hvac control module (at rear of lower console)
B10
B11
B12
B16
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Digital radio antenna
Digital radio receiver
Drain wire
G102 (at left side of engine compt)
G201
Ground
Hot at all times
Hvac b fuse 36 10a
Illum
Inflatable restraint steering wheel module coil
Interior lights system
Left front door speaker
Left front door tweeter speaker
Left rear door speaker
Left sig+
Lf out +
Lf out -
Lr out +
Lr out -
Lr+
Lr-
Nca
Pnk
Power distribution system
Prog
Radio
Radio antenna
Radio control signal
Radio fuse 41 15a
Rear fuse block (below left rear seat)
Rf out +
Rf out -
Right front door speaker
Right front door tweeter speaker
Right rear door speaker
Right sig+
Rr out +
Rr out -
Rr+
Rr-
Seek down
Seek up
Serial data
Source down
Source up
Sp201 (lower right center of dash)
Splice pack sp205 (below left side of i/p)
Steering wheel control assembly (on steering column)
Tan
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Volume down
Volume up
Wiper/ washer system

Base Radio Wiring Diagram, without Rear Seat Audio for Isuzu Ascender S 2005

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List of elements for Base Radio Wiring Diagram, without Rear Seat Audio for Isuzu Ascender S 2005:

A10
A11
A12
Audio
Audio common
B10
B11
B12
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Digital radio antenna
Digital radio receiver
Drain wire
G102 (at left side of engine compartment)
G102 (at left side of engine compt)
Ground
Hot at all times
Illum
Inflatable restraint steering wheel module coil
Interior lights system
Left front door speaker
Left front door tweeter speaker
Left rear door speaker
Left sig+
Lf out +
Lf out -
Lr out +
Lr out -
Lt sig+
Nca
Pnk
Prog
Radio
Radio antenna
Radio control signal
Radio fuse 41 15a
Rear fuse block (below left rear seat)
Rf out +
Rf out -
Rh sig+
Right front door speaker
Right front door tweeter speaker
Right rear door speaker
Right sig+
Rr out +
Rr out -
Seek down
Seek up
Serial data
Source down
Source up
Splice pack sp205 (below left side of i/p)
Steering wheel control assembly (on steering column)
Tan
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Volume down
Volume up
Wiper/ washer system

Premium Radio Wiring Diagram (1 of 2) for Isuzu Ascender S 2005

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List of elements for Premium Radio Wiring Diagram (1 of 2) for Isuzu Ascender S 2005:

(at left side of engine compt) g102
(at rear of lower console)
(lwb) w/ automatic a/c
(lwb) w/ manual a/c
A10
A11
A12
A16
Audio commom
Audio common
Auxiliary hvac control module
B10
B11
B12
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Digital radio antenna
Digital radio receiver
Drain data
Drain wire
G102 (at left side of engine compartment)
G102 (at left side of engine compt)
Ground
Hot at all times
Hvac b fuse 36 10a
Illum
Inflatable restraint steering wheel module coil
Interior lights system
Left rear sig+
Left rear sig-
Left sig+
Lf out +
Lf out -
Lr sig +
Lr sig -
Lr+
Lr-
Lwb
Nca
Pnk
Power distribution system
Prog
Radio
Radio antenna
Radio control signal
Radio fuse 41 15a
Radio sig
Rear fuse block (below left rear seat)
Rf out +
Rf out -
Right rear sig+
Right rear-
Right sig+
Rr sig +
Rr sig -
Rr+
Rr-
Seek down
Seek up
Serial data
Source down
Source up
Splice pack sp205 (below left side of i/p)
Steering wheel control assembly (on steering column)
Swb
Tan
Upper left steering wheel control switch assembly
Upper right steering wheel control switch assembly
Volume down
Volume up
Wiper/ washer system

Premium Radio Wiring Diagram (2 of 2) for Isuzu Ascender S 2005

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List of elements for Premium Radio Wiring Diagram (2 of 2) for Isuzu Ascender S 2005:

(at left side of engine compt) g102
(on lower left "d" pillar) g401
A a
A10
A11
A12
Amp fuse 11 20a
Audio amplifier (in rear compartment, behind left side panel)
B10
B11
B12
Drain wire
Ground
Hot at all times
Left front door speaker
Left front i/p speaker
Left front sig +
Left front sig-
Left rear door speaker
Left rear sig+
Left rear sig-
Lf front spkr out+
Lf front spkr out-
Lt mid spkr out +
Lt mid spkr out -
Lt rear out+
Lt rear out-
Nca
Pnk
Radio sig
Rear fuse block (below left rear seat)
Rear mute sig
Rear seat sig
Right front door speaker
Right front i/p speaker
Right front sig+
Right front sig-
Right rear door speaker
Right rear sig+
Right rear sig-
Rt front spkr out+
Rt front spkr out-
Rt mid spkr out +
Rt mid spkr out -
Tan

SHIFT INTERLOCK

Ignition Lock Solenoid Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Ignition Lock Solenoid Wiring Diagram for Isuzu Ascender S 2005:

Automatic transmission shift lock actuator (in lower console)
G201
Hot in acc, run & start
Ign 0 fuse 47 10a
Ignition lock cylinder control actuator (in steering column)
Ignition lock cylinder control switch
Pnk
Rear fuse block (below left rear seat)
Sp201 (lower right center of dash)

Shift Interlock Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Shift Interlock Wiring Diagram for Isuzu Ascender S 2005:

(4.2l)
(5.3l)
A/t shift lock control solenoid
Automatic transmission shift lock actuator (in lower console)
Back-up fuse 27 15a
Btsi fuse 25 10a
E10
G201
Hot in run & start
Park lock solenoid
Park/ neutral position switch (on left side of transmission)
Pnk
Sp201 (lower right center of dash)
Stop lamp switch (w/ eap: top of brake pedal bracket) (w/o eap: on brake pedal support)
Underhood fuse block (on left side of engine compt)

STARTING/CHARGING

Charging Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Charging Wiring Diagram for Isuzu Ascender S 2005:

(5.3l: on left front of engine compt) (4.2l: on left front of engine) (5.3l) engine control module (ecm) (4.2l) powertrain control module (pcm)
(not used)
4.2l
5.3l
Battery
Battery voltage
Charge indicator
Class 2
Class 2 data
Field duty cycle sig
Fusible link (8 ga- red)
G101 (at left side of engine compt)
G106 (on left front wheelwell)
G110 (lower left side of engine)
Generator
Generator on signal
Hot at all times
Instrument panel cluster (ipc)
Ipc/dic fuse 24 10a
Power distribution system
Red
Sp205 (below left side of i/p)
Starter
Starter solenoid
Underhood fuse block (on left side of engine compt)

Starting Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Starting Wiring Diagram for Isuzu Ascender S 2005:

(4.2l)
(4.2l) (5.3l)
(5.3l)
4.2l
5.3l
A10
Acc
Batt
Battery
C2 c2
Crank fuse 17 10a
Crank sig req
Crank volt
F10
F11
F8 d8
Fusible link (8 ga- red)
G101 (at left side of engine compt)
G106 (on left front wheelwell)
G110 (lower left side of engine)
Generator
Hold- in coil
Hot in run or start
Ign a fuse 34 40a
Ign e fuse 22 10a
Ignition switch
Lock
Off
P/n
Park/ neutral position switch (on left side of transmission)
Pnk
Powertrain control module (pcm) (4.2l) engine control module (ecm) (5.3l) (4.2l: on left front of engine) (5.3l: on left front of engine compt)
Pull- in coil
Red
Run
Start
Starter
Starter motor
Starter relay 47
Starter rly
Starter solenoid
Underhood fuse block (on left side of engine compt)

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram (1 of 2) for Isuzu Ascender S 2005

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List of elements for Supplemental Restraints Wiring Diagram (1 of 2) for Isuzu Ascender S 2005:

(i/p harness, 16.5 cm from steering column connector breakout, toward dlc breakout) s202
(in i/p harness, 5 cm (1.97 in) from breakout to rollover sensor, toward sdm) s203
(in left front seat belt buckle)
(left side of underhood compartment, near rear of underhood fuse block) g102
(on left side of frame, at front of vehicle)
(on right side of frame, at front of vehicle)
(right front
(under drivers seat) s310
(under left front door trim, near lower rear of door frame)
Bar
Case ground
Class 2 serial
Data link
Driver seat belt switch
G102 (left side of underhood compartment, near rear of underhood fuse block)
Gnd
Ground
High control
High sensor
Hot in run or start
Ign 1
Ignition
Inflatable restraint sensing & diagnostic module (below rear of center console)
Left electronic frontal sensor (efs)
Left inflatable restraint roof rail module (in roof above driver door)
Left inflatable restraint seat position sensor (sps) (on left front outboard seat track)
Left inflatable restraint side impact sensor (sis)
Left seat belt pretensioner (under left front of seat, part of retractor)
Left seat belt sw
Low control
Nca
Passenger seat belt switch (in right front belt buckle assembly)
Passenger's door)
Pnk
Red
Right electronic frontal sensor (efs)
Right inflatable restraint roof rail module (in roof, above front passenger's door)
Right inflatable restraint seat position sensor (sps) (on right front outboard seat track)
Right inflatable restraint side impact sensor (sis)
Right seat belt pretensioner (under right front of seat, part of retractor)
Right seat belt sw
Right signal
Rollover sensor
S220
S308
S315
Sensor return
Serial data link
Shorting
Shorting bar
Signal
Sir fuse 18 10a
Tan
Underhood fuse block (on left side of engine compartment)
Voltage

Supplemental Restraints Wiring Diagram (2 of 2) for Isuzu Ascender S 2005

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List of elements for Supplemental Restraints Wiring Diagram (2 of 2) for Isuzu Ascender S 2005:

(i/p harness, 16.5 cm from steering column connector breakout, toward dlc breakout) s202
(i/p harness, above dash left lower panel, 11 cm from steering column breakout, toward data link connector breakout)
(under passenger
Air bag indicator
Air bag off ind
Air bag on ind
Anti-theft system
B12
Bar shorting
Class 2 serial data
Data link connector (dlc) (partial) (on bottom left side of dash)
E12
G102 (left side of underhood compartment, near rear of underhood fuse block)
Gnd
Hot in run or start
Ign
Ign 1 voltage
Ign e fuse 22 10a
Inflatable restraint front passenger presence system (pps) module (under passenger seat)
Inflatable restraint i/p module (right side of dash)
Inflatable restraint passenger air bag on/off indicator
Inflatable restraint passenger presence system (pps) sensor
Inflatable restraint passenger seat belt tension retractor
Inflatable restraint steering wheel module (in steering wheel)
Inflatable restraint steering wheel module coil
Inside rearview mirror
Instrument panel cluster (ipc)
Logic
Low ref
Nca
Off
Pnk
Rear fuse block (below left rear seat)
S232 (w/immobilizer) (i/p harness, 10 cm from steering column breakout, toward shift control module)
S239
Seat)
Sensor
Sensor sig
Serial data
Shorting bar
Sp205 (behind left of dash, near headlamp switch connector)
Stage 1
Stage 2
Tan
Underhood fuse block (on left side of engine compartment)
Voltage ref
W/ occupant sensor
W/immobilizer

TRANSMISSION

Transfer Case Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Transfer Case Wiring Diagram for Isuzu Ascender S 2005:

(below dash, above accelerator pedal) data link connector
(on lower left side of engine)
+5v ref
2wd
2wd ind
4 hi
4 hi ind
4 lo
4 lo ind
4.2l
4wd fuse 48 15a
4wd lo sig
5.3l
Afwd
Afwd ind
Atc fuse 8 30a
Axle act
Axle sw
B11
Battery
Brake
C2 a11
Class 2 data
E11
E5 c3
Encoder
Encoder sig
Front axle actuator (lower right front of engine, on oil pan)
Front sig hi
Front sig lo
Front transfer case propshaft speed sensor (on left rear of transfer case)
G102 (at left side of engine compt)
G107
G201
Ground
Hot at all times
Hot in run
Hot in run or start
Illum
Ing e fuse 22 10a
Instrument panel cluster (ipc)
Interior lights system
Lock sol
Logic
Low ref
Motor
Motor ctrl a
Motor ctrl b
Neut
Neutral
Neutral ind
Pnk
Powertrain control module (4.2l) (on left front of engine) engine control module (5.3l) (on left front of engine compt)
Rear fuse block (below left rear seat)
Rear sig hi
Rear sig lo
Rear transfer case propshaft speed sensor (on right rear of transfer case)
Red
Service 4wd
Sp201 (lower right center of dash)
Splice pack sp205 (below left side of i/p)
Sw sig
Tan
Transfer case
Transfer case shift control module (behind left lower dash)
Transfer case shift control switch
Under- hood fuse block (on left side of engine compt)
Underhood fuse block (on left side of engine compt)

4.2L

4.2L, A/T Wiring Diagram for Isuzu Ascender S 2005

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List of elements for 4.2L, A/T Wiring Diagram for Isuzu Ascender S 2005:

1-2 shift red solenoid valve
2-3 shift red solenoid valve
3-2 shift red solenoid valve
4wd circuit (w/ 2-spd transfer case)
4wd lo
A2 c1
A3 c2
Accelerator pedal position sensor (w/ eap: under left side of i/p) (w/o eap: on accelerator bracket)
App 1 +5v
App 1 lo
App 1 sig
App 2 +5v
App 2 lo
App 2 sig
Automatic trans- mission fluid pressure manual valve position switch
Automatic transmission
Automatic transmission fluid temperature sensor
B10
B5 c2
B6 c2
Battery
Body control module (bcm) (beneath left rear seat, on rear fuse block)
C2 a7
Class 2 data
D2 c1
D2 sw
D3 sw
D4 sw
Data link connector (below dash, above accelerator pedal)
Down (3-2)
E3 c2
E3 c3
Ect ref
Ect sig
Electronic brake control module (on inner left frame rail, adjacent to transmission)
Engine controls system
Engine coolant temperature sensor (on left front of engine, near generator)
Exterior lights system
F14
G108 (on lower left side of engine)
Ground
Hot at all times
Hot in acc, run or start
Hot in run or start
Ign 0 fuse 47 10a
Ign e fuse 22 10a
Ignition
Ignition 1
Ing e fuse 22 10a
Instrument panel cluster (ipc)
Lo sw
Mil ind
P r n d
Park/neutral position switch (on left side of transmission)
Pcm 1 fuse 28 15a
Pcm b fuse 10 20a
Pcs sol (hi)
Pcs sol (lo)
Pnk
Pnk d
Powertrain control module (on left front of engine)
Pressure control solenoid valve
Prndl a in
Prndl b in
Prndl c in
Prndl p in
Rear fuse block (below left rear seat)
Red
Rev sw
Service engine soon
Solenoid valve
Splice pack sp205 (below left side of i/p)
Ss a (1-2)
Ss b (2-3)
Stoplamp in
Stoplamp switch (w/ eap: top of brake pedal bracket) (w/o eap: on brake pedal support)
Tac fuse 23 10a
Tan
Tcc
Tcc brake sw
Tcc pmw red
Tcc pwm
Tcc red
Tfp sw a
Tfp sw b
Tfp sw c
Tft ref
Tft sig
Throttle body
Tp 1 +5v
Tp 1 lo
Tp 1 sig
Tp 2 +5v
Tp 2 lo
Tp 2 sig
Underhood fuse block (on left side of engine compt)
Veh stop fuse 34 15a
Vehicle speed sensor (2wd: on right rear of transmission) (4wd: on left rear of transfer case)
Vss (hi)
Vss (lo)
W/ traction control
W/o traction control

5.3L

5.3L, A/T Wiring Diagram (1 of 2) for Isuzu Ascender S 2005

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List of elements for 5.3L, A/T Wiring Diagram (1 of 2) for Isuzu Ascender S 2005:

(2wd: on right rear of transmission)
1-2 ss ctrl
2-3 ss ctrl
3-2 ss ctrl
Accessory volt
B11
Batt volt
Computer data lines system
Exterior lights system
Front hi sig
G108 (lower left side of engine)
Gnd
Hot at all times
Hot in acc or run
Hot in run or start
Ign 1 volt
Ign e fuse 22 10a
Low ref
Park/neutral position (pnp) switch (on left side of transmission)
Pc sol hi ctrl
Pc sol lo ctrl
Pnk
Pnk pnk
Press sw sig a
Press sw sig b
Press sw sig c
Rear fuse block (below left rear seat)
Red
Serial data (+)
Serial data (-)
Serial data bus (+)
Serial data bus (-)
St/lp fuse 12 25a
Stoplamp switch (on brake pedal support)
Tan
Tcc pwm ctrl
Tcc sol ctrl
Tcm fuse 35 10a
Tcm/ canister fuse 15 10a
Tft sens sig
Trans fuse 53 15a
Transmission control module (tcm) (left front of engine compt)
Trns range a
Trns range b
Trns range c
Trns range p
Underhood fuse block (on left side of engine compt)
Underhood fuse block (on left side of engine compt) c1
Veh stop fuse 34 15a
Vehicle speed sensor (vss) (4wd: on left rear of transfer case)
Vss high sig
Vss low sig

5.3L, A/T Wiring Diagram (2 of 2) for Isuzu Ascender S 2005

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List of elements for 5.3L, A/T Wiring Diagram (2 of 2) for Isuzu Ascender S 2005:

1-2 shift sol valve
2-3 shift sol valve
3-2 sol valve
A/t fluid pressure manual valve position switch
A/t fluid temp sensor
Automatic transmission
Chmsl sply
Engine control module (ecm) (on left front of engine compt)
Front hi sig
Ign
Instrument panel cluster
Logic
Malfunction indicator lamp
Mil ind ctrl
Pnk
Pressure control solenoid valve
Prnd321
Red
Rev
Tan
Tcc pwm sol valve
Tcc sol valve

WARNING SYSTEMS

Chime Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Chime Wiring Diagram for Isuzu Ascender S 2005:

(4.2l) (5.3l)
(below left rear seat) rear fuse block
(lower right center of dash) splice pack sp201
10a
4.2l
5.3l
A12
Auto
B10
Battery +
Belt sw input
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Class 2 serial data
Computer data lines system
Door ajar
Dr ajar input
Driver door latch assembly
Driver seat belt switch
Driver's door module (on lower part of driver's door switch panel)
Drl defeat
E12 c2
Engine control module (ecm) (on left front of engine compt)
F10
Front passenger door latch assembly
Front passenger's door module (on lower part of passenger's door switch panel)
G102 (at left side of engine compt)
G201
G302 (on lower left "b" pillar)
G303 (on lower right "b" pillar)
Hdlmp on sig
Head
Headlamp switch
Hot at all times
Ignition & key alarm switch (in steering column)
Inflatable restraint sensing & diagnostic module (beneath lower console)
Instrument panel cluster (ipc)
Key in ign sw
Left rear door latch assembly
Liftgate ajar sw
Liftgate latch assembly
Liftgate module (inside liftgate)
Liftglass ajar sw
Liftglass ajar switch (inside top of liftgate)
Logic
Low reference
Lr dr ajar sig
Nca
Park
Park lamp sw on input
Powertrain control module (pcm) (on left front of engine)
Radio
Right rear door latch assembly
Rr dr ajar sig
Seat belt indicator
Seat pos out
Serial data
Sw low reference
Tail gate ajar ind
Tan
Tbc 1 fuse 31 fuse 58
Underhood fuse block (on left side of engine compt)

Liftgate Ajar Warning Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Liftgate Ajar Warning Wiring Diagram for Isuzu Ascender S 2005:

12v
B5 c2
Battery
Class 2
Defog sply volt
Defogger system
Door ajar
Door locks system
G401 (on lower left "d" pillar)
Ground
Hot at all times
Instrument panel cluster (ipc)
Key buzzer
Lgm 2 fuse 3 30a
Lgm/dsm fuse 6 10a
Liftgate latch assembly
Liftgate module (lgm) (inside liftgate)
Liftglass ajar switch (inside top of liftgate)
Lock ctrl
Logic
Low ref
Nca
Open sw sig
Rear fuse block (below left rear seat)
Serial data
Sp205 (below left side of i/p)
Sp306 (under right rear seat)
Sw sig
Tailgate ajar
Tan
Unlock ctrl
Wiper motor sig
Wiper/washer system

WIPER/WASHER

Front Wiper/Washer Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Front Wiper/Washer Wiring Diagram for Isuzu Ascender S 2005:

(at right rear of engine compt) g103
A12
Acc voltage
Accessory voltage
B12
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Class 2 serial data
Computer data lines system
D10
Front wiper motor (under cowl cover)
Frt wpr fuse 33 25a
G102 (at left side of engine compt)
G103 (at right rear of engine compt)
G105 (at left side of engine compt)
G302 (on lower left "b" pillar)
Ground
High
Hot at all times
Hot in acc or on
Hot in on or start
Ign 1 volt
Ign fuse 22 10a
Instrument panel cluster (ipc)
Lo delays mist
Logic
Low washer fluid
Lsd
Mist
Off
Outside moisture sensor (center of windshield)
Outside moisture sensor signal 1
Pnk
Pulse
Rain fuse 29 10a
Rear fuse block (below left rear seat)
Red
Sensor signal 1
Tan
Turn signal/ multifunction switch
Underhood fuse block (on left side of engine compt)
W/s wash fuse 9 15a
W/s wash relay 42
Wash
Windshield washer fluid level switch (in engine compt, mounted on fluid reservoir)
Windshield washer fluid pump (in engine compt, attached to fluid reservoir)
Windshield washer relay ctrl
Windshield wiper switch high signal
Windshield wiper switch signal 1
Windshield wiper switch signal 2
Windshield wiper/ washer switch

Rear Wiper/Washer Wiring Diagram for Isuzu Ascender S 2005

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List of elements for Rear Wiper/Washer Wiring Diagram for Isuzu Ascender S 2005:

(under right rear seat) sp306
12 volt reference
Battery positive voltage
Body control module (bcm) (beneath left rear seat, on rear fuse block)
Class 2 ser data
Cont
Dly 1
Dly 2
G103 (at right rear of engine compt)
G401 (on lower left "d" pillar)
Hot at all times
Illumination
Interior lights system
Liftgate module (inside liftgate)
Off
Rear fuse block (below left rear seat)
Rear wash relay 38
Rear window motor speed signal
Rear window mtr speed signal c2
Rear window washer fluid pump (in engine compt, attached to fluid reservoir)
Rear window washer relay ctrl
Rear window wiper motor (inside liftgate)
Rear window wiper sw sig
Rear window wiper/washer switch
Rr wiper circuit breaker 9 15a
Sound systems
Sp205 (below left side of i/p)
Underhood fuse block (on left side of engine compt)
W/ steering wheel controls
W/o steering wheel controls
Wash
Wash fuse 7 20a