GMC Safari 2001 - 2001 GENERAL MOTORS Astro & Safari

GMC Safari 2001 - BUZZERS, RELAYS & TIMERS

GMC Safari 2001 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Enable Relay	In underhood fuse block.
A/C Relay	In underhood fuse block.
Blower Motor Resistor & Relay Pack	Mounted between evaporator & front blower motor, on the right front of the dash housing.
Courtesy Lamp Relay	In relay block 1.
Door Lock Relay	Behind right kick panel.
Driver Door Unlock Relay	In relay block 1.
DRL Relay	In relay block 2.
Fuel Pump Relay	In underhood fuse block.
Headlamp Relay	In underhood fuse block.
Horn Relay	On convenience center. See Fig. 7.
Inadvertent Power Relay	In relay block 1.
Liftgate Lock/Unlock Relay	Right rear quarter panel, near "D" pillar.
Rear Defogger Timer Relay	Center of dash, on back of HVAC control panel.
Retained Accessory Power (RAP) Relay	In relay block 2.
RR Door Unlock Relay	In relay block 1.
Starter Enable Relay	In underhood fuse block.
Turn/Hazard Flasher Module	On convenience center. See Fig. 7.
Upfitter Accessory Relay	In underhood fuse block.

GMC Safari 2001 - CIRCUIT PROTECTION DEVICES

GMC Safari 2001 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C Compressor Clutch Diode	In underhood fuse/relay center.
Daytime Running Lamp (DRL) Diode	On lower part of left "B" pillar.
I/P Fuse Block	Behind left side of dash. See Fig. 7.
Relay Block 1	Behind left side of dash, on DLC bracket.
Relay Block 2	Behind left side of dash, on DLC bracket.
Underhood Fuse Block	On left side of firewall.

GMC Safari 2001 - CONTROL UNITS

GMC Safari 2001 CONTROL UNITS LOCATION

Component	Location
Automatic Transfer Case Shift Control Module	Behind left kick panel.
Body Control Module (BCM)	Above radio.
Compass & Temperature Display Control Module	On front of overhead console.
Cruise Control Module	Center front of firewall, left of windshield wiper module. See Fig. 4.
Electronic Brake Control Module (EBCM)	On left front side of frame, left of transmission.
Heater & A/C Control Module	Behind center of dash.
Ignition Control Module (ICM)	Top of engine, front of coil. See Fig. 3.
Rear Radio Control Module	On left side of vehicle, behind "B" pillar.
Remote Control Door Lock Receiver	Behind air duct, right of instrument cluster.
Subwoofer Amplifier	Between "B" & "C" pillars, behind trim panel.
Supplemental Inflatable Restraint Sensing & Diagnostic Module	Under driver's seat.
Turn/Hazard Flasher Module	On convenience center. See Fig. 7.
Vehicle Control Module (VCM)	Left side of engine compartment.
Windshield Wiper Motor & Module (Front)	On center of firewall, next to cruise control module. See Fig. 4.

GMC Safari 2001 - MOTORS

GMC Safari 2001 MOTORS LOCATION

Component	Location
Blower Motor (Front)	Behind coolant recovery reservoir, on right front fender. See Fig. 4.
Blower Motor (Rear A/C)	Left rear of vehicle, near "D" pillar.
Blower Motor (Rear Heater)	Left side of vehicle, behind "B" pillar. See Fig. 9.
Encoder Motor	Inside transfer case. See Fig. 6.
Fuel Pump & Sender	In fuel tank.
Idle Air Control (IAC) Valve	On left rear of throttle body. See Fig. 2.
Rear Liftgate Release Motor	In center of liftgate. See Fig. 8.
Temperature Control Motor	Behind right side of dash, left side of main air duct.
Window Washer Pump Motor (Front)	In windshield washer reservoir.
Window Washer Pump Motor (Rear)	In windshield washer reservoir.
Window Wiper Motor (Rear)	In center of liftgate. See Fig. 8.
Window Wiper/Washer Module (Rear)	In left side of liftgate. See Fig. 8.
Windshield Wiper Motor & Module (Front)	On center of firewall, next to cruise control module. See Fig. 4.

GMC Safari 2001 - SENDING UNITS & SENSORS

GMC Safari 2001 SENDING UNITS & SENSORS LOCATION

Component	Location
Ambient Air Temperature Sensor	Center of core support, in front of radiator.
Ambient Light (DRL) Sensor	On top center of dash.
Bank No. 1 Heated Oxygen Sensor (HO2S) No. 1	On left front exhaust Y-pipe.
Bank No. 1 Heated Oxygen Sensor (HO2S) No. 3	On exhaust pipe, between catalytic converter & muffler.
Bank No. 2 Heated Oxygen Sensor (HO2S) No. 1	On right front exhaust Y-pipe, closest to exhaust manifold.
Camshaft Position (CMP) Sensor	On side of distributor. See Fig. 2.
Crankshaft Position (CKP) Sensor	Behind, & to right of engine crankshaft pulley. See Fig. 1.
Engine Coolant Temperature (ECT) Sensor	On side of linear EGR valve solenoid. See Fig. 1.
Engine Coolant Temperature Gauge Sensor	On left side of engine block. See Fig. 2.
Fuel Pump & Sender	In fuel tank.
Intake Air Temperature Sensor	Top of air intake duct. See Fig. 4.
Knock Sensor	At left rear of distributor, on engine block. See Fig. 2.
Manifold Absolute Pressure (MAP) Sensor	Top of engine, near ignition coil. See Fig. 3.
Mass Airflow Sensor	Front of air intake duct. See Fig. 4.
Oil Pressure Switch & Sender	On top rear of engine. See Fig. 2.
Passlock Sensor	In steering column, near lock cylinder.
Propshaft Speed Sensor (Front)	Near center of transfer case. See Fig. 6.
Propshaft Speed Sensor (Rear)	Near center of transfer case. See Fig. 6.
Supplemental Inflatable Restraint Front End Discriminating Sensor	On front frame crossmember.
Throttle Position (TP) Sensor	On left side of throttle body. See Fig. 2.
Vehicle Speed Sensor (VSS) (2WD)	On rear of transmission. See Fig. 5.
Vehicle Speed Sensor (VSS) (4WD)	On rear of transmission. See Fig. 6.
Wheel Speed Sensor (2)	On respective lower control arm.

GMC Safari 2001 - SOLENOIDS & SOLENOID VALVES

GMC Safari 2001 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Automatic Transmission Shift Lock Control Solenoid	In steering column.
Evaporative Emission (EVAP) Canister Purge Solenoid Valve	On top of engine, next to MAP sensor. See Fig. 3.
Evaporative Emission (EVAP) Canister Vent Valve	Underside of vehicle, left of purge canister.
Exhaust Gas Recirculation (EGR) Valve	On top of engine, left of generator. See Fig. 1.
Water By-Pass Solenoid Valve	Lower left side of evaporator, behind receiver-drier. See Fig. 4.

GMC Safari 2001 - SWITCHES

GMC Safari 2001 SWITCHES LOCATION

Component	Location
A/C High Pressure Cut-Off Switch	On rear of A/C compressor. See Fig. 2.
A/C Low Pressure Cut-Off Switch	Top of A/C receiver-drier. See Fig. 4.
Brake Pedal Position (BPP) Switch	Above brake pedal.
Brake Pressure Warning Switch	On brake pressure modulator valve assembly.
Key-In Warning Buzzer Switch	Inside steering column, by lock cylinder.
Oil Pressure Switch & Sender	On top rear of engine. See Fig. 2.
Park Brake Indicator Switch	On parking brake assembly.
Park/Neutral Position & Back-Up Lamp Switch	On left center of transmission.
Seat Belt Buckle Switch	On buckle side of left seat belt assembly.

GMC Safari 2001 - MISCELLANEOUS

GMC Safari 2001 MISCELLANEOUS LOCATION

Component	Location
A/C Clutch Diode	In underhood fuse box.
Blower Motor Resistor & Relay Pack	Behind right side of dash, between evaporator & front blower motor.
CHMSL Resistor	On left kick panel.
Convenience Center	Left of I/P fuse block, by left kick panel. See Fig. 7.
Data Link Connector (DLC)	Under left side of dash.
Distributor	On top rear of engine. See Fig. 2.
Ignition Coil	On top of engine, behind generator. See Fig. 3.
Rear A/C Resistor Pack (Rear A/C)	Above rear blower motor.
Resistor Pack (Rear Heater)	Top of rear heater core. See Fig. 9.
Sub-Woofer Amplifier	On left center of vehicle, behind trim panel.

GMC Safari 2001 - CONNECTORS

GMC Safari 2001 CONNECTORS LOCATION

Component	Location
C100 (Black, 36 Pin)	In left side of dash.
C102 (Black, 15 Pin)	In left side of dash.
C104 (Gray, 4 Pin)	In engine harness, 15 cm from fuse block relay breakout, toward C100.
C109 (Black, 3 Pin)	In left side of dash.
C175	Right side of transmission. See Fig. 5.
C200 (White, 16 Pin)	Behind left kick panel.
C201 (Black, 48 Pin)	In lower half of steering column.
C202 (Black, 4 Pin)	Center of dash.
C203 (Black, 16 Pin)	In right kick panel.
C205 (White, 16 Pin)	In right kick panel.
C209	In I/P fuse block.
C212 (Orange, 3 Pin)	Behind left kick panel. See Fig. 7.
C213 (Brown, 5 Pin)	Behind left kick panel. See Fig. 7.
C223 (Gray, 2 Pin)	In I/P fuse block.
C300 (Natural, 10 Pin)	Behind left kick panel.
C301 (White, 16 Pin)	Behind left kick panel.
C306 (Black, 2 Pin)	Under driver seat.
C307	Under passenger seat.
C308 (Black, 3 Pin)	At top of transfer case.
C309 (Black, 5 Pin)	At top of transfer case.
C310 (Black, 7 Pin)	On underbody, front side of fuel tank.
C314 (Black, 4 Pin)	On left side of frame, left of transmission.
C333 (Safari)	Behind bottom of left "B" pillar.
C401 (Black, 2 Pin)	At top of left "D" pillar.
C404	In top center, rear of vehicle.

GMC Safari 2001 - GROUNDS

GMC Safari 2001 GROUNDS LOCATION

Component	Location
G100	On right front radiator support, next to engine coolant reservoir.
G101	On left front radiator support, below main body ground.
G102	On left side radiator support.
G103	On lower right front side of engine.
G104	On center of firewall, 31 cm from A/C low pressure cut-off switch breakout.
G105	On thermostat housing.
G106	On left rear of engine, next to knock sensor. See Fig. 2.
G107	On left rear of engine, next to knock sensor. See Fig. 2.
G110	Next to battery.
G200	On right front of "A" pillar, above left front door jamb switch.
G201	On I/P harness, 5.8 cm from radio connectors breakout.
G300	On right front of "A" pillar, above left front of door jamb switch.
G301	Above rear heater, toward rear of vehicle. See Fig. 9.
G302	On engine harness, 12.5 cm from fuel pump breakout.
G303	On upfitter harness, 28 cm from breakout, near C333.
G400	On upper half of left "D" pillar.
G401	On lower half of right "D" pillar.
G403	On upper half of right "D" pillar.
G404	Below rear A/C blower, toward front of vehicle.

GMC Safari 2001 - SPLICES

GMC Safari 2001 SPLICES LOCATION

Component	Location
S100	In forward lamp harness, 8 cm from right headlamp breakout.
S101	In forward lamp harness, 4 cm from right front park/turn signal lamp breakout.
S102	In forward lamp harness, 4 cm from left headlamp breakout.
S103	In forward lamp harness, 3 cm from left headlamp breakout.
S104	In forward lamp harness 17 cm from left headlamp breakout.
S105	In forward lamp harness, 10.5 cm from left headlamp breakout.
S106	In forward lamp harness, 22 cm from right headlamp breakout.
S107	In forward lamp harness, 137.5 cm from left headlamp breakout.
S108	In engine harness, 10.5 cm from underhood fuse block breakout.
S109	In engine harness, 4 cm from underhood fuse block breakout.
S110	In engine harness, 24 cm from underhood fuse block breakout.
S111	In engine harness, 17 cm from underhood fuse block breakout.
S112	In engine harness, 15 cm from underhood fuse block breakout.
S115	In engine harness, 18 cm from mass airflow sensor breakout, toward C100. See Fig. 4.
S116	In engine harness, 16 cm from mass airflow sensor breakout, behind battery.
S117	In engine harness, 2.5 cm from A/C low pressure cut-off switch breakout. See Fig. 4.
S119	In engine harness, 9 cm from A/C low-pressure cut-off switch breakout.
S123	In engine harness, 6.5 cm from fuel injector harness breakout, toward C100. See Fig. 2.
S124	In engine harness, 11.3 cm from oil pressure switch breakout. See Fig. 2.
S126	In engine harness, 6.5 cm from knock sensor connector breakout. See Fig. 2.
S127	In engine harness, 11 cm from park/neutral position & backup lamp switch breakout.
S130	In I/P harness, 32 cm from I/P fuse block breakout.
S131	In forward lamp harness, 8 cm from left headlamp breakout.
S132	In forward lamp harness, 7.5 cm from left headlamp breakout.
S133	In engine harness, 2.5 cm from underhood fuse block breakout.
S134	In engine harness, 4.5 cm from knock sensor breakout.
S135	Inside automatic transmission.
S154	In engine harness, 6 cm from generator breakout.
S155	In engine harness, 25 cm from underhood fuse block breakout.
S200	In I/P harness, 16 cm from I/P fuse block.
S201	In I/P harness, 20 cm from I/P fuse block.
S203	In I/P harness, 4 cm from C100, toward right side of dash.
S204	In I/P harness, 9.5 cm from C201 breakout.
S205	In I/P harness, 6.5 cm from C201 breakout.
S206	In I/P harness 3.5 cm from C201 breakout.
S209	In I/P harness, 13 cm from I/P fuse block.
S210	In I/P harness, 5.5 cm from C201 breakout, toward instrument panel cluster.
S211	In I/P harness, 6 cm from instrument panel cluster breakout.
S212	In I/P harness, 11.5 cm from C201 breakout, toward instrument panel cluster.
S213	In I/P harness, 41 cm from headlamp switch connector.
S217	In I/P harness, 2.5 cm from instrument panel cluster breakout.
S219	In I/P harness, 4 cm from instrument cluster connector breakout.
S220	In I/P harness, 6.5 cm from relay block breakout.
S221	In I/P harness, 17 cm from instrument cluster connector breakout.
S223	In I/P harness, 10.5 cm from body control module connectors breakout.
S224	In I/P harness, 17 cm from body control module connectors breakout.
S225	In I/P harness, 34 cm from body control module breakout.
S227	In I/P harness, 4 cm from radio breakout.
S228	In I/P harness, 10.5 cm from radio breakout.
S229	In I/P harness, 4 cm from air temperature actuator motor breakout.
S230	In I/P harness, 18 cm from right kick panel breakout.
S231	In I/P harness, 11.5 cm from C205 breakout.
S232	In I/P harness, 5 cm from right kick panel breakout.
S234	In I/P harness, 27.5 cm from cigar lighter connector.
S236	In vanity mirror harness, 7.5 cm from left vanity mirror breakout.
S237	In vanity mirror harness, 7.5 cm from vanity mirror left breakout.
S238	In I/P harness at C201 breakout.
S240	In upfitter harness, 30 cm from C210.
S241	In I/P harness, 26 cm from air temperature actuator breakout.
S242	In upfitter harness, 40 cm from C333.
S243	In transfer case harness, 6.5 cm from transfer case connector C1 & C2, toward C224.
S246	In I/P harness, 14.5 cm from I/P fuse block.
S247	In I/P harness, 7.5 cm from I/P fuse block breakout.
S250	In I/P harness, 26 cm from C201.
S251	In I/P harness, 22 cm from C201.
S252	In I/P harness, 20 cm from relay block breakout.
S253	In I/P harness, 14 cm from relay block breakout.
S254	In I/P harness, 5 cm from relay block breakout.
S255	In I/P harness, 17.5 cm from relay block breakout.
S256	In I/P harness, 34.5 cm from headlamp switch connector.
S257	In I/P harness, 3.5 cm from headlamp & panel dimmer switch breakout.
S258	In I/P harness, 13 cm from radio connectors breakout.
S259	In I/P harness, 38 cm from body control module breakout.
S262	In engine harness, 6 cm from vehicle speed sensor breakout.
S301	In body harness, 5 cm from courtesy/reading lamp center breakout.
S303	In l/P harness, 2.5 cm from I/P fuse block, near park brake switch breakout.
S305	In I/P harness, 10.5 cm from fuse block.
S307	In body harness, 5.5 cm from courtesy/reading lamp center breakout.
S309	In body harness, 4 cm from rear seat audio controller breakout.
S310	In body harness, 4 cm from rear seat audio controller breakout.
S311	In body harness, 10.5 cm from rear seat audio controller breakout.
S312	In body harness, 17 cm from rear seat audio controller breakout.
S313	In body harness, 23.5 cm from rear seat audio controller breakout.
S314	In body harness, 66 cm from rear seat audio controller breakout.
S315	In body harness, 4 cm from left "B" pillar breakout.
S316	In body harness, 90.5 cm from rear seat audio controller breakout.
S317	In body harness, 33 cm from audio amplifier.
S318	In body harness, 26.5 cm from audio amplifier.
S319	In body harness, 10 cm from G400, toward lower half of right "D" pillar.
S320	In body harness, 46 cm from G400, toward lower half of right "D" pillar.
S321	In body harness, 55 cm from G400, toward lower half of right "D" pillar.
S322	On left "B" pillar, 4 cm from breakout, toward top of vehicle.
S324	In I/P harness, 38 cm from I/P fuse block, near park brake switch connector breakout.
S325	In left kick panel, 8 cm from left door jamb switch breakout.
S326	In left kick panel, 13 cm from left door jamb switch breakout.
S327	In l/P harness, 28 cm from I/P fuse block, near park brake switch breakout.
S328	On right "B" pillar, 6 cm from C300 breakout.
S330	In I/P harness, 18.5 cm from I/P fuse block, near park brake switch breakout.
S333	In engine harness, 15 cm from vehicle speed sensor. See Fig. 5.
S334	In liftgate body harness, 49.5 cm from liftglass lock/unlock relay breakout.
S335	In liftgate body harness, 56 cm from liftglass lock/unlock relay breakout.
S400	In body harness, 17 cm from center high mounted stop lamp breakout.
S401	In body harness, 10.5 cm from right rear door breakout.
S402	In body harness, 4 cm from right rear door breakout.
S403	In right rear "D" pillar, 4.5 cm from right rear door breakout.
S407	In liftgate body harness, 19.5 cm from G403 breakout , toward top of vehicle.
S408	In body harness, 4 cm from right rear door breakout.
S500	In left door harness, 17 cm from power window switch breakout.
S502	In left door harness, 10.5 cm from driver window motor breakout.
S503	In left door harness, 10.5 cm from driver window motor breakout.
S504	In left door harness, 4 cm from power door lock switch breakout.
S506	In left door harness, 6.5 cm from driver window motor breakout.
S600	In right door harness, 6 cm from power door lock switch breakout.
S601	In right door harness, 4 cm from power door lock switch breakout.
S602	In right door harness, 10.5 cm from front power window passenger breakout.
S603	In right door harness, 4 cm from front power window passenger breakout.
S605	In right door harness, 17 cm from front passenger power window breakout.
SP261	Strapped to I/P harness behind data link connector.