ENGINE PERFORMANCE – Chevrolet Tahoe 2000 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.8L

4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (1 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (1 of 5) for Chevrolet Tahoe 2000:

• (below steering column) data link connector
• (lower right rear of engine) crankshaft position sensor
• +5v
• 3-2 ss
• Anti-lock brake system
• Body control module (below steering column)
• Brk sw
• C10
• C11
• C12
• Ckp
• Cls 2 data
• Clutch sw
• Cmp
• Coolant lev
• D10
• E12
• Ecm1 fuse 10a
• Ecmb fuse 20a
• Ect sig
• Egr input
• Electronic suspension system
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ho2s hi
• Ho2s lo
• Hot at all times
• Hot in run & start
• Ign
• Ign 0 fuse 10a
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Inj7
• Inj8
• Inja fuse 15a
• Injb fuse 15a
• Injectors
• Ks signal
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev
• Pnk
• Pnk b
• Powertrain control module (left front of engine compt)
• Prnd a
• Prnd b
• Prnd p
• Range b
• Range c
• Red
• Ref low
• Req torque
• S103
• Sens gnd
• Sens rtn
• Serial data
• Sp205 (behind headlamp switch)
• Tan
• Underhood junction block

4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (2 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (2 of 5) for Chevrolet Tahoe 2000:

• (left front of engine)
• (left rear of engine)
• (left rear of engine) g114
• (not used)
• Air maxi fuse 30a c7
• Ecm b fuse 20a
• Engine coolant level switch (in coolant reservoir)
• Engine coolant temperature sensor (left front of cylinder head)
• Engine oil level switch (right side of oil pan)
• Fuel pump relay
• Fuel pump/ level sensor (in fuel tank)
• G104
• G110
• G114 (left rear of engine)
• G117 (right rear of engine)
• G402 (left frame body mount bracket)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter)
• Hot at all times
• Hot in run & start
• Ign e fuse 10a c2
• Knock sensor 1 (under intake manifold)
• Knock sensor 2 (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pnk
• Red
• S103
• S104
• S104 (in engine harness)
• S108
• Secondary air injection reaction pump (right rear of engine compt)
• Secondary air injection reaction relay (right rear of engine compartment)
• Secondary air injection reaction solenoid (right rear of engine compt)
• Tan
• Throttle position sensor (w/o electronic throttle control) (on throttle body assy)
• Under- hood junction block

4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (3 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (3 of 5) for Chevrolet Tahoe 2000:

• 1-2 sol
• 2-3 sol
• 3-2 sol
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• Body junction block
• Brake fuse 10a
• Camshaft position sensor (top center rear of engine)
• Clutch pedal position switch (top of pedal bracket)
• Evap canister purge valve (top right rear of engine)
• Evap canister vent valve (left front side of fuel tank)
• Exhaust gas recirculation valve (top right front of engine)
• F12
• Fuel tank pressure sensor (in fuel tank)
• Fuse block
• Hot in run
• Hot in run & start
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Pnk b
• Red
• Red e
• Red/
• Rev
• Stop lps fuse 20a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Vehicle speed sensor (left rear of transmission)
• Vss adapter (4wd) (left side of trans)

4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (4 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (4 of 5) for Chevrolet Tahoe 2000:

• A10
• Accelerator pedal position sensor (w/ electronic throttle control)
• Act cntrl
• App sens
• App sens 1
• App sens 2
• App sens 3
• App sense
• Cruise control system
• Cruise req
• D11
• Data
• Ect fuse 15a
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ground
• Hot in run & start
• Hot in run or start
• Iat sensor
• Ign
• Ign0 fuse 10a
• Mass airflow sensor (in air intake duct)
• Pnk
• Pnk d
• R/a input
• Red
• S/c input
• S103
• Sens 1 grd
• Sens 1 rt
• Sens 2 grd
• Sens 2 rt
• Sens 3 grd
• Sens 3 rt
• Sens grd
• Signal
• Stp lp in
• Tan
• Tan b
• Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt)
• Throttle actuator control motor (w/ electronic throttle control) (on throttle body)
• Throttle position sensor (dual track) (w/ electronic throttle control) (on throttle body)
• Tp sens 1
• Tp sens 2
• Underhood junction block
• Veh stop fuse 10a

4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (5 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Controls Wiring Diagram, New Style Except Canadian Built (5 of 5) for Chevrolet Tahoe 2000:

• (in engine harness)
• (left front of engine) g110
• (left rear of engine) g114
• 1-2 ss
• 2-3 ss
• 4wd low
• A/c clu
• A/c req
• A/c system
• Air pump
• Anti-lock brake system
• Anti-lock brake system (speed signal)
• Automatic transfer case control module (above c3 headlight switch)
• Cruise control system
• Cruise eng
• Ctrl
• Cyc sw in
• Delivered torq
• Egr ctrl
• Egr gnd
• Eng1 fuse 10a
• Evap canp
• Evap vent
• Front axle switch (right side of center on axle housing)
• Frt axle sw
• Fuel lev
• Fuel pmp
• Fuel sig ctrl
• Fuse block
• G117 (right rear of engine)
• Gen f
• Gen l
• Gnd
• Hot in run & start
• Iac coil hi
• Iac coil lo
• Iat sig
• Idle air control valve (top of throttle body)
• Ign
• Ign ctrl
• Ign feed
• Ign1 fuse 10a
• Ignition coils
• Instrument cluster systems (speed signal)
• Instrument panel cluster
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi
• Pc sol lo
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Prnd c
• Recirc door
• Recirc sw
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S152
• S153
• S154
• S157
• Sens gnd
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm
• Tcc sol
• Tft sens sig
• Tp sig
• Trans rng a
• Transfer case switch (left front of transaxle case)
• Under- hood junction block
• Vss high
• Vss low
• Vss out
• W/ atc
• W/ manual 4wd

4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (1 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (1 of 5) for Chevrolet Tahoe 2000:

• (below steering column) data link connector
• (lower right rear of engine) crankshaft position sensor
• +5v
• 3-2 ss
• Anti-lock brake system
• Body control module (below steering column)
• Brk sw
• C10
• C11
• C12
• Ckp
• Cls 2 data
• Clutch sw
• Cmp
• Coolant lev
• D10
• E12
• Ecm1 fuse 10a
• Ecmb fuse 20a
• Ect sig
• Egr input
• Electronic suspension system
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ho2s hi
• Ho2s lo
• Hot at all times
• Hot in run & start
• Ign
• Ign 0 fuse 10a
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Inj7
• Inj8
• Inja fuse 15a
• Injb fuse 15a
• Injectors
• Ks signal
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev
• Pnk
• Pnk b
• Powertrain control module (left front of engine compt)
• Prnd a
• Prnd b
• Prnd p
• Range b
• Range c
• Red
• Ref low
• Req torque
• S103
• Sens gnd
• Sens rtn
• Serial data
• Sp205 (behind headlamp switch)
• Tan
• Under- hood junction block

4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (2 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (2 of 5) for Chevrolet Tahoe 2000:

• (eng harness) s114
• (left front of engine)
• (left rear of engine)
• (left rear of engine) g114
• (not used)
• Air maxi fuse 30a c7
• Ecm b fuse 20a
• Engine coolant level switch (in coolant reservoir)
• Engine coolant temperature sensor (left front of cylinder head)
• Engine oil level switch (right side of oil pan)
• Fuel pump relay
• Fuel pump/ level sensor (in fuel tank)
• G104
• G110
• G114 (left rear of engine)
• G117 (right rear of engine)
• G402 (left frame body mount bracket)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter)
• Hot at all times
• Hot in run & start
• Ign e fuse 10a c2
• Knock sensor 1 (under intake manifold)
• Knock sensor 2 (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pnk
• Red
• S103
• S104
• S104 (in engine harness)
• S108
• S113 (eng harness)
• Secondary air injection reaction pump (right rear of engine compt)
• Secondary air injection reaction relay (right rear of engine compartment)
• Secondary air injection reaction solenoid (right rear of engine compt)
• Tan
• Throttle position sensor (w/o electronic throttle control) (on throttle body assy)
• Under- hood junction block

4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (3 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (3 of 5) for Chevrolet Tahoe 2000:

• 1-2 sol
• 2-3 sol
• 3-2 sol
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• Body junction block
• Brake fuse 10a
• Camshaft position sensor (top center rear of engine)
• Clutch pedal position switch (top of pedal bracket)
• Evap canister purge valve (top right rear of engine)
• Evap canister vent valve (left front side of fuel tank)
• Exhaust gas recirculation valve (top right front of engine)
• F12
• Fuel tank pressure sensor (in fuel tank)
• Fuse block
• Hot in run
• Hot in run & start
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Pnk b
• Red
• Red e
• Red/
• Rev
• Stop lps fuse 20a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Vehicle speed sensor (left rear of transmission)
• Vss adapter (4wd) (left side of trans)

4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (4 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (4 of 5) for Chevrolet Tahoe 2000:

• A10
• Accelerator pedal position sensor (w/ electronic throttle control)
• Act cntrl
• App sens
• App sens 1
• App sens 2
• App sens 3
• App sense
• Cruise control system
• Cruise req
• D11
• Data
• Ect fuse 15a
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ground
• Hot in run & start
• Hot in run or start
• Iat sensor
• Ign
• Ign0 fuse 10a
• Mass airflow sensor (in air intake duct)
• Pnk
• Pnk d
• R/a input
• Red
• S/c input
• S103
• Sens 1 grd
• Sens 1 rt
• Sens 2 grd
• Sens 2 rt
• Sens 3 grd
• Sens 3 rt
• Sens grd
• Signal
• Stp lp in
• Tan
• Tan b
• Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt)
• Throttle actuator control motor (w/ electronic throttle control) (on throttle body)
• Throttle position sensor (dual track) (w/ electronic throttle control) (on throttle body)
• Tp sens 1
• Tp sens 2
• Under- hood junction block
• Veh stop fuse 10a

4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (5 of 5) for Chevrolet Tahoe 2000

List of elements for 4.8L VIN V, Engine Performance Wiring Diagrams, New Style Canadian Built (5 of 5) for Chevrolet Tahoe 2000:

• (in engine harness)
• (left front of engine) g110
• (left rear of engine) g114
• 1-2 ss
• 2-3 ss
• 4wd low
• A/c clu
• A/c req
• A/c system
• Air pump
• Anti-lock brake system
• Anti-lock brake system (speed signal)
• Automatic transfer case control module (above c3 headlight switch)
• Cruise control system
• Cruise eng
• Ctrl
• Cyc sw in
• Delivered torq
• Egr ctrl
• Egr gnd
• Eng1 fuse 10a
• Evap canp
• Evap vent
• Front axle switch (right side of center on axle housing)
• Frt axle sw
• Fuel lev
• Fuel pmp
• Fuel sig ctrl
• Fuse block
• G117 (right rear of engine)
• Gen f
• Gen l
• Gnd
• Hot in run & start
• Iac coil hi
• Iac coil lo
• Iat sig
• Idle air control valve (top of throttle body)
• Ign
• Ign ctrl
• Ign feed
• Ign1 fuse 10a
• Ignition coils
• Instrument cluster systems (speed signal)
• Instrument panel cluster
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi
• Pc sol lo
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Prnd c
• Recirc door
• Recirc sw
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S152
• S153
• S154
• S157
• Sens gnd
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm
• Tcc sol
• Tft sens sig
• Tp sig
• Trans rng a
• Transfer case switch (left front of transaxle case)
• Under- hood junction block
• Vss high
• Vss low
• Vss out
• W/ atc
• W/ manual 4wd

5.3L

5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (1 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (1 of 5) for Chevrolet Tahoe 2000:

• (below steering column) data link connector
• (lower right rear of engine) crankshaft position sensor
• +5v
• 3-2 ss
• Anti-lock brake system
• Body control module (below steering column)
• Brk sw
• C10
• C11
• C12
• Ckp
• Cls 2 data
• Clutch sw
• Cmp
• Coolant lev
• D10
• E12
• Ecm1 fuse 10a
• Ecmb fuse 20a
• Ect sig
• Egr input
• Electronic suspension system
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ho2s hi
• Ho2s lo
• Hot at all times
• Hot in run & start
• Ign
• Ign 0 fuse 10a
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Inj7
• Inj8
• Inja fuse 15a
• Injb fuse 15a
• Injectors
• Ks signal
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev
• Pnk
• Pnk b
• Powertrain control module (left front of engine compt)
• Prnd a
• Prnd b
• Prnd p
• Range b
• Range c
• Red
• Ref low
• Req torque
• S103
• Sens gnd
• Sens rtn
• Serial data
• Sp205 (behind headlamp switch)
• Tan
• Underhood junction block

5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (2 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (2 of 5) for Chevrolet Tahoe 2000:

• (left front of engine)
• (left rear of engine)
• (left rear of engine) g114
• (not used)
• Air maxi fuse 30a c7
• Ecm b fuse 20a
• Engine coolant level switch (in coolant reservoir)
• Engine coolant temperature sensor (left front of cylinder head)
• Engine oil level switch (right side of oil pan)
• Fuel pump relay
• Fuel pump/ level sensor (in fuel tank)
• G104
• G110
• G114 (left rear of engine)
• G117 (right rear of engine)
• G402 (left frame body mount bracket)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter)
• Hot at all times
• Hot in run & start
• Ign e fuse 10a c2
• Knock sensor 1 (under intake manifold)
• Knock sensor 2 (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pnk
• Red
• S103
• S104
• S104 (in engine harness)
• S108
• Secondary air injection reaction pump (right rear of engine compt)
• Secondary air injection reaction relay (right rear of engine compartment)
• Secondary air injection reaction solenoid (right rear of engine compt)
• Tan
• Throttle position sensor (w/o electronic throttle control) (on throttle body assy)
• Under- hood junction block

5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (3 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (3 of 5) for Chevrolet Tahoe 2000:

• 1-2 sol
• 2-3 sol
• 3-2 sol
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• Body junction block
• Brake fuse 10a
• Camshaft position sensor (top center rear of engine)
• Clutch pedal position switch (top of pedal bracket)
• Evap canister purge valve (top right rear of engine)
• Evap canister vent valve (left front side of fuel tank)
• Exhaust gas recirculation valve (top right front of engine)
• F12
• Fuel tank pressure sensor (in fuel tank)
• Fuse block
• Hot in run
• Hot in run & start
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Pnk b
• Red
• Red e
• Red/
• Rev
• Stop lps fuse 20a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Vehicle speed sensor (left rear of transmission)
• Vss adapter (4wd) (left side of trans)

5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (4 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (4 of 5) for Chevrolet Tahoe 2000:

• A10
• Accelerator pedal position sensor (w/ electronic throttle control)
• Act cntrl
• App sens
• App sens 1
• App sens 2
• App sens 3
• App sense
• Cruise control system
• Cruise req
• D11
• Data
• Ect fuse 15a
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ground
• Hot in run & start
• Hot in run or start
• Iat sensor
• Ign
• Ign0 fuse 10a
• Mass airflow sensor (in air intake duct)
• Pnk
• Pnk d
• R/a input
• Red
• S/c input
• S103
• Sens 1 grd
• Sens 1 rt
• Sens 2 grd
• Sens 2 rt
• Sens 3 grd
• Sens 3 rt
• Sens grd
• Signal
• Stp lp in
• Tan
• Tan b
• Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt)
• Throttle actuator control motor (w/ electronic throttle control) (on throttle body)
• Throttle position sensor (dual track) (w/ electronic throttle control) (on throttle body)
• Tp sens 1
• Tp sens 2
• Underhood junction block
• Veh stop fuse 10a

5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (5 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Controls Wiring Diagram, New Style Except Canadian Built (5 of 5) for Chevrolet Tahoe 2000:

• (in engine harness)
• (left front of engine) g110
• (left rear of engine) g114
• 1-2 ss
• 2-3 ss
• 4wd low
• A/c clu
• A/c req
• A/c system
• Air pump
• Anti-lock brake system
• Anti-lock brake system (speed signal)
• Automatic transfer case control module (above c3 headlight switch)
• Cruise control system
• Cruise eng
• Ctrl
• Cyc sw in
• Delivered torq
• Egr ctrl
• Egr gnd
• Eng1 fuse 10a
• Evap canp
• Evap vent
• Front axle switch (right side of center on axle housing)
• Frt axle sw
• Fuel lev
• Fuel pmp
• Fuel sig ctrl
• Fuse block
• G117 (right rear of engine)
• Gen f
• Gen l
• Gnd
• Hot in run & start
• Iac coil hi
• Iac coil lo
• Iat sig
• Idle air control valve (top of throttle body)
• Ign
• Ign ctrl
• Ign feed
• Ign1 fuse 10a
• Ignition coils
• Instrument cluster systems (speed signal)
• Instrument panel cluster
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi
• Pc sol lo
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Prnd c
• Recirc door
• Recirc sw
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S152
• S153
• S154
• S157
• Sens gnd
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm
• Tcc sol
• Tft sens sig
• Tp sig
• Trans rng a
• Transfer case switch (left front of transaxle case)
• Under- hood junction block
• Vss high
• Vss low
• Vss out
• W/ atc
• W/ manual 4wd

5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (1 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (1 of 5) for Chevrolet Tahoe 2000:

• (below steering column) data link connector
• (lower right rear of engine) crankshaft position sensor
• +5v
• 3-2 ss
• Anti-lock brake system
• Body control module (below steering column)
• Brk sw
• C10
• C11
• C12
• Ckp
• Cls 2 data
• Clutch sw
• Cmp
• Coolant lev
• D10
• E12
• Ecm1 fuse 10a
• Ecmb fuse 20a
• Ect sig
• Egr input
• Electronic suspension system
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ho2s hi
• Ho2s lo
• Hot at all times
• Hot in run & start
• Ign
• Ign 0 fuse 10a
• Inj1
• Inj2
• Inj3
• Inj4
• Inj5
• Inj6
• Inj7
• Inj8
• Inja fuse 15a
• Injb fuse 15a
• Injectors
• Ks signal
• Lift/dive sig
• O2a fuse 15a
• O2b fuse 15a
• Oil lev
• Pnk
• Pnk b
• Powertrain control module (left front of engine compt)
• Prnd a
• Prnd b
• Prnd p
• Range b
• Range c
• Red
• Ref low
• Req torque
• S103
• Sens gnd
• Sens rtn
• Serial data
• Sp205 (behind headlamp switch)
• Tan
• Under- hood junction block

5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (2 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (2 of 5) for Chevrolet Tahoe 2000:

• (eng harness) s114
• (left front of engine)
• (left rear of engine)
• (left rear of engine) g114
• (not used)
• Air maxi fuse 30a c7
• Ecm b fuse 20a
• Engine coolant level switch (in coolant reservoir)
• Engine coolant temperature sensor (left front of cylinder head)
• Engine oil level switch (right side of oil pan)
• Fuel pump relay
• Fuel pump/ level sensor (in fuel tank)
• G104
• G110
• G114 (left rear of engine)
• G117 (right rear of engine)
• G402 (left frame body mount bracket)
• Heated oxygen sensor (bank 1 sensor 1) (left exh pipe before converter)
• Heated oxygen sensor (bank 1 sensor 2) (left exh pipe after converter)
• Heated oxygen sensor (bank 2 sensor 1) (right exh pipe before converter)
• Heated oxygen sensor (bank 2 sensor 2) (right exh pipe after converter)
• Hot at all times
• Hot in run & start
• Ign e fuse 10a c2
• Knock sensor 1 (under intake manifold)
• Knock sensor 2 (under intake manifold)
• Nca
• Park/neutral position switch (left side of transmission)
• Pnk
• Red
• S103
• S104
• S104 (in engine harness)
• S108
• S113 (eng harness)
• Secondary air injection reaction pump (right rear of engine compt)
• Secondary air injection reaction relay (right rear of engine compartment)
• Secondary air injection reaction solenoid (right rear of engine compt)
• Tan
• Throttle position sensor (w/o electronic throttle control) (on throttle body assy)
• Under- hood junction block

5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (3 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (3 of 5) for Chevrolet Tahoe 2000:

• 1-2 sol
• 2-3 sol
• 3-2 sol
• A/t fluid pressure manual valve position switch
• Automatic transaxle
• Body junction block
• Brake fuse 10a
• Camshaft position sensor (top center rear of engine)
• Clutch pedal position switch (top of pedal bracket)
• Evap canister purge valve (top right rear of engine)
• Evap canister vent valve (left front side of fuel tank)
• Exhaust gas recirculation valve (top right front of engine)
• F12
• Fuel tank pressure sensor (in fuel tank)
• Fuse block
• Hot in run
• Hot in run & start
• Manifold absolute pressure sensor (top rear of engine)
• N pnk
• P red
• Pc sol valve
• Pnk
• Pnk a
• Pnk b
• Red
• Red e
• Red/
• Rev
• Stop lps fuse 20a
• Stop- lamp switch (top of brake pedal bracket)
• Tan
• Tcc pwm sol
• Tcc sol
• Tft sensor
• Vehicle speed sensor (left rear of transmission)
• Vss adapter (4wd) (left side of trans)

5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (4 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (4 of 5) for Chevrolet Tahoe 2000:

• A10
• Accelerator pedal position sensor (w/ electronic throttle control)
• Act cntrl
• App sens
• App sens 1
• App sens 2
• App sens 3
• App sense
• Cruise control system
• Cruise req
• D11
• Data
• Ect fuse 15a
• Fuse block
• G117 (right rear of engine)
• Gnd
• Ground
• Hot in run & start
• Hot in run or start
• Iat sensor
• Ign
• Ign0 fuse 10a
• Mass airflow sensor (in air intake duct)
• Pnk
• Pnk d
• R/a input
• Red
• S/c input
• S103
• Sens 1 grd
• Sens 1 rt
• Sens 2 grd
• Sens 2 rt
• Sens 3 grd
• Sens 3 rt
• Sens grd
• Signal
• Stp lp in
• Tan
• Tan b
• Throttle actuator control (tac) module (w/ electronic throttle control) (in left rear of engine compt)
• Throttle actuator control motor (w/ electronic throttle control) (on throttle body)
• Throttle position sensor (dual track) (w/ electronic throttle control) (on throttle body)
• Tp sens 1
• Tp sens 2
• Under- hood junction block
• Veh stop fuse 10a

5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (5 of 5) for Chevrolet Tahoe 2000

List of elements for 5.3L VIN T, Engine Performance Wiring Diagrams, New Style Canadian Built (5 of 5) for Chevrolet Tahoe 2000:

• (in engine harness)
• (left front of engine) g110
• (left rear of engine) g114
• 1-2 ss
• 2-3 ss
• 4wd low
• A/c clu
• A/c req
• A/c system
• Air pump
• Anti-lock brake system
• Anti-lock brake system (speed signal)
• Automatic transfer case control module (above c3 headlight switch)
• Cruise control system
• Cruise eng
• Ctrl
• Cyc sw in
• Delivered torq
• Egr ctrl
• Egr gnd
• Eng1 fuse 10a
• Evap canp
• Evap vent
• Front axle switch (right side of center on axle housing)
• Frt axle sw
• Fuel lev
• Fuel pmp
• Fuel sig ctrl
• Fuse block
• G117 (right rear of engine)
• Gen f
• Gen l
• Gnd
• Hot in run & start
• Iac coil hi
• Iac coil lo
• Iat sig
• Idle air control valve (top of throttle body)
• Ign
• Ign ctrl
• Ign feed
• Ign1 fuse 10a
• Ignition coils
• Instrument cluster systems (speed signal)
• Instrument panel cluster
• Maf sig
• Malfunction indicator lamp
• Map sig
• Mil ctrl
• Nca
• Nca nca
• Pc sol hi
• Pc sol lo
• Pnk
• Pnk d
• Powertrain control module (left front of engine compt)
• Prnd c
• Recirc door
• Recirc sw
• Red
• Red c
• Ref lo
• Ref low
• Rpm out
• S103
• S151
• S152
• S153
• S154
• S157
• Sens gnd
• Spark plug
• Starting/charging system
• Tan
• Tcc pwm
• Tcc sol
• Tft sens sig
• Tp sig
• Trans rng a
• Transfer case switch (left front of transaxle case)
• Under- hood junction block
• Vss high
• Vss low
• Vss out
• W/ atc
• W/ manual 4wd

5.7L

5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (1 of 4) for Chevrolet Tahoe 2000

List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (1 of 4) for Chevrolet Tahoe 2000:

• (attached to right rear of throttle body) idle air control (iac) valve
• (bottom front of engine near, crank pulley) crankshaft position sensor
• (top right side of engine) evaporative emission canister purge solenoid valve
• 1-2 shift sol ctrl
• 2-3 shift sol ctrl
• 3-2 shift sol ctrl
• A/t w/ 4wd
• Air pump rel ctrl
• Cam posit sens sig
• Camshaft position sensor (inside distributor)
• Crank posit sens sig
• Ect sens sig
• Egr posit sig
• Fuel gauge lvl
• Fuel tank press sens
• G119 (right front of engine block)
• Heated oxygen sensor (bank 1 sensor 1) (in left exhaust pipe, in front of catalytic converter)
• Heated oxygen sensor (bank 2 sensor 1) (in right exhaust pipe, in front of catalytic converter)
• Heated oxygen sensor (below 8600 gvw: bank 1 sensor 2) (left exhaust pipe, behind catalytic converter (over 8600 gvw: bank 2 sensor 2) (right exhaust pipe, behind catalytic converter)
• Ho2s low
• Ho2s sig
• Iat sens sig
• Idle air ctrl (iac) a hi
• Idle air ctrl (iac) b lo
• Ign feed
• Inj 1 ctrl
• Inj 2 ctrl
• Inj 3 ctrl
• Inj 4 ctrl
• Inj 5 ctrl
• Inj 6 ctrl
• Inj 7 ctrl
• Inj 8 ctrl
• Inline gender adapter a
• Knock sens sig
• Knock sensor (ks) (right side of engine block, below exhaust manifold, forward of starter)
• Low ref
• Map sens input
• Mass air flow sens sig
• Nca
• Others
• Pnk
• Pnk c ignition feed
• Pnk pnk
• S148
• S149
• S162
• Sens rtn
• Sens sig
• Sensor return
• Tan
• Tcc pwm sol ctrl
• Tcc sol ctrl
• Temp sens input
• Throttle posit sens
• Vehicle control module (vcm) (left side of engine compt)
• Vehicle speed sensor (left side of transmission, left side of transfer case w/ 4wd)
• Vent ctlr
• Vss sig
• Vss signal

5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (2 of 4) for Chevrolet Tahoe 2000

List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (2 of 4) for Chevrolet Tahoe 2000:

• (left front corner of eng compt) g100
• A 2-3 shift red
• A 3-2 shift solenoid
• A nca
• Air injection reaction pump motor (left front of eng compt)
• Air injection reaction pump relay (california) (underhood fuse/ relay center)
• Automatic transmission
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Aux-b fuse 30a stud-b
• Ecm1 fuse 20a
• Eng1 k7
• Evaporative emissions (evap) canister vent valve (left side of engine compt)
• Exhaust gas recirculation (egr) valve (front of engine near thermostat housing)
• Fuel inj 1
• Fuel inj 2
• Fuel inj 3
• Fuel inj 4
• Fuel inj 5
• Fuel inj 6
• Fuel inj 7
• Fuel inj 8
• Fuse 20a l8
• Heated oxygen sensor (below 8600 gvw: bank 2 sensor 2) (right exhaust pipe, behind catalytic converter) (over 8600 gvw: bank 1 sensor 2) (left exhaust pipe behind catalytic converter)
• Hot at all times
• Hot in run & start
• Nca
• Pnk
• Pnk pnk pnk tan red
• Pressure control solenoid valve
• Red
• S104
• S108
• S161
• S166 (eng harn, 18 cm from ebcm breakout)
• S167
• Solenoid
• Solenoid check valve
• Tan
• Tcc solenoid
• Torque converter red clutch pulse width modulation solenoid
• Trans fluid temperature sensor
• Under hood fuse/relay center

5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (3 of 4) for Chevrolet Tahoe 2000

List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (3 of 4) for Chevrolet Tahoe 2000:

• (eng harn, approx 17 cm from breakout to egr valve) s106
• (eng harn, hd: 10 cm from egr valve breakout, ld: 27 cm from egr valve breakout)
• (engine harn, approx 16 cm from breakout to egr valve)
• (inside left frame rail, near rear crossmember)
• (right rear of cylinder head) g117
• (taillamp extension harn, 6 cm from the fuel pump harn breakout)
• Automatic transmission input shaft speed sensor (left side of transmission)
• C100
• C223
• Convenience center (under left side of dash)
• Engine coolant temperature sensor (top right front of engine, near thermostat housing)
• Fuel gauge input
• Fuel pump & sender (in fuel tank)
• Fuel tank pressure sensor (in fuel tank)
• G415
• Gauges fuse 4 10a
• Grd
• Hot in off, run or start
• Hot in run or start
• I/p fuse block
• Ign
• Input
• Instrument cluster
• Intake air temperature sensor (in air intake duct)
• M/t only
• Manifold absolute pressure (map) sensor (top right of engine, near fuel injectors)
• Mass airflow sensor (in air intake duct)
• Pnk
• Pnk pnk tan red
• S103
• S213
• S231
• S232
• S430
• Service engine soon indicator
• Sig
• Speedometer input
• Tachometer
• Tan a
• Throttle position sensor (on throttle body assembly)
• Trans fuse 20 10a
• Upshift lamp
• W/o dual fuel tank

5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (4 of 4) for Chevrolet Tahoe 2000

List of elements for 5.7L VIN R, Engine Performance Wiring Diagrams, Old Style (4 of 4) for Chevrolet Tahoe 2000:

• (engine harness, approx 13 cm from s150
• (engine harness, approx 7 cm from ebcm breakout)
• (i/p harn, 20 cm from inflatable restraint switch breakout)
• (i/p harn, harness, 13 cm from left engine grommet)
• (i/p harness, approx 40 cm from instrument cluster breakout)
• (or
• (right rear of cylinder head) g120
• 4wd input
• 5v ref voltage
• 87a
• A pnk
• A/c comp enable rel
• A/c request signal
• A/t
• Air conditioning system
• Air inlet vlv mtr ctlr
• Automatic 4wd
• Automatic transfer case shift controller
• Aux fan relay
• Brake sw input
• Brake switch input
• Check eng lp ctrl
• Clutch pedal position (cpp) switch (at top of clutch pedal bracket)
• Cooling fans system
• Cpp sw input
• Cruise control module (left rear of engine compt, on firewall)
• Cruise ctrl sig eng
• Data link connector (under left side of dash, left side of steering column)
• Distributor
• Ebcm breakout)
• Egr vlv feed
• Egr vlv ground
• Electronic brake control module (ebcm) (on left side of engine compt)
• Electronic variable orifice/ passlock control module (center of dash)
• Est output sig
• Evap can purge vlv
• F11 ecmb fuse 20a
• Force motor feed
• Force motor return
• Four whl dr sig
• Four whl dr sig lo
• Fuel level input
• Fuel pump a prime connector (left rear of eng compt)
• Fuel pump relay
• Fuel pump rly ctrl
• G117 (right rear of cylinder head)
• G12
• Ground
• High voltage coil wire
• Hot at all times
• Hot in run
• I/p fuse block
• Ign coil out
• Ign input
• Ign timing sig.
• Ignition
• Ignition coil (top right rear of engine)
• Ignition control module (right side rear of engine)
• Ignition feed
• M/t
• M4 brake fuse 18 10a n3
• Manual or selectable 4wd
• Pnk
• Pressure switch input
• Radio
• Red
• S101
• S103
• S111 (engine harness, approx 10 cm from ebcm breakout)
• S151
• S152
• S153
• S221
• Sensor ground
• Sensor return
• Serial data sig
• Shift ind lp out
• Speed sensor
• Speed sensor input
• Stoplamp switch (top of brake pedal)
• Stoplamp/ clutch switch input
• Switch signal
• Trans input speed rtn
• Trans input speed sig
• Transfer case control module (under dash, on steering column support bracket)
• Transfer case switch (left top of transfer case)
• Transmissions system
• Underhood fuse/ relay center
• Vcm sig
• Vehicle control module (vcm) (left side of engine compt)
• Vss input
• Vss sig out