GMC Safari 2003 - 2003 GENERAL MOTORS Astro & Safari

GMC Safari 2003 - BUZZERS, RELAYS & TIMERS

GMC Safari 2003 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Enable Relay	In underhood fuse block.
A/C Relay	In underhood fuse block.
Courtesy Lamp GND Relay	In relay block No. 1.
Daytime Running Lamps (DRL) Relay	In relay block No. 2.
Door Lock Relay	Behind right kick panel.
Driver Door Unlock Relay	In relay block No. 1.
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 No. 1.
Liftglass Lock/Unlock Relay	Right rear quarterpanel, near "D" pillar.
Park Lamp Relay	On convenience center.
Retained Accessory Power (RAP) Relay	In relay block No. 2.
RR Door Unlock Relay	In relay block No. 1.
Starter Enable Relay	In underhood fuse block.
Turn Signal/Hazard Flasher Module	On convenience center. See Fig. 7 .
Upfitter Accessory Relay	In underhood fuse block.

GMC Safari 2003 - CIRCUIT PROTECTION DEVICES

GMC Safari 2003 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Convenience Center	Left of I/P fuse block, by left kick panel. See Fig. 7 .
I/P Fuse Block	Behind left side of dash. See Fig. 7 .
Power Accessory Circuit Breaker	In I/P fuse block.
Relay Block No. 1	Behind left side of dash, on DLC bracket.
Relay Block No. 2	Behind left side of dash, on DLC bracket.
Underhood Fuse Block	On left side of firewall.
Windows Circuit Breaker	In I/P fuse block.

GMC Safari 2003 - CONTROL UNITS

GMC Safari 2003 CONTROL UNITS LOCATION

Component	Location
Audio Amplifier	On left center of vehicle, behind trim panel.
Body Control Module (BCM)	Above radio.
Cruise Control Module	Center front of firewall, near windshield wiper module. See Fig. 4 .
Electronic Brake Control Module (EBCM)	On left front side of frame, left of transmission.
Ignition Control Module (ICM)	Top of engine, front of coil. See Fig. 3 .
Inflatable Restraint Sensing & Diagnostic Module	Under driver's seat.
Powertrain Control Module (PCM)	Below underhood fuse block, on left side of firewall.
Rear Window Wiper/Washer Module	In left side of liftgate. See Fig. 8 .
Remote Control Door Lock Receiver (RCDLR)	Behind air duct, right of instrument cluster.
Transfer Case Shift Control Module	Behind left kick panel.
Turn Signal/Hazard Flasher Module	On convenience center. See Fig. 7 .
Windshield Wiper Motor & Module	On center of firewall, next to cruise control module. See Fig. 4 .

GMC Safari 2003 - MOTORS

GMC Safari 2003 MOTORS LOCATION

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

GMC Safari 2003 - SENDING UNITS & SENSORS

GMC Safari 2003 SENDING UNITS & SENSORS LOCATION

Component	Location
Ambient Air Temperature Sensor (DIC)	Center of core support, in front of radiator.
Ambient Light Sensor	On top center of dash.
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 left side of left cylinder head. See Fig. 2 .
Engine Oil Pressure (EOP) Sensor	On top rear of engine. See Fig. 2 .
Fuel Pump & Sender Assembly	In fuel tank.
Fuel Tank Pressure (FTP) Sensor	Inside fuel tank.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1	On left front exhaust Y-pipe.
Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2	On exhaust pipe, between catalytic converter & muffler.
Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1	On right front exhaust Y-pipe, closest to exhaust manifold.
Inflatable Restraint Front End Discriminating Sensor	On front frame crossmember.
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 (MAF) Sensor	Front of air intake duct. See Fig. 4 .
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 .
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 transfer case. See Fig. 6 .
Wheel Speed Sensor (2)	On respective wheel hub/knuckle.

GMC Safari 2003 - SOLENOIDS & SOLENOID VALVES

GMC Safari 2003 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Automatic Transmission Shift Lock Control Solenoid	In steering column.
Coolant Bypass Valve Solenoid	Lower left side of evaporator, behind receiver-drier. See Fig. 4 .
Evaporative Emission (EVAP) Canister Purge Solenoid	On top of engine, next to MAP sensor. See Fig. 3 .
Evaporative Emission (EVAP) Canister Vent Solenoid	Underside of vehicle, near fuel filter.

GMC Safari 2003 - SWITCHES

GMC Safari 2003 SWITCHES LOCATION

Component	Location
A/C High Pressure Switch	On rear of A/C compressor. See Fig. 2 .
A/C Low Pressure Switch	On A/C accumulator. See Fig. 4 .
Brake Pressure Differential Switch	On brake pressure modulator valve assembly.
Ignition Key Alarm Switch	Inside steering column, by lock cylinder.
Park Brake Switch	On parking brake assembly.
Park/Neutral Position (PNP) Switch	On left center of transmission.
Seat Belt Buckle Switch	On buckle side of left seat belt assembly.
Stoplight Switch	Above brake pedal.

GMC Safari 2003 - MISCELLANEOUS

GMC Safari 2003 MISCELLANEOUS LOCATION

Component	Location
A/C Clutch Diode	In underhood fuse box.
Audio Amplifier	On left center of vehicle, behind trim panel.
Blower Motor Resistor Assembly	Behind coolant recovery reservoir, on right front fender.
Blower Motor Resistor (Auxiliary A/C)	On auxiliary A/C case.
Blower Motor Resistor (Auxiliary Heater)	On top of auxiliary heater case. See Fig. 9 .
CHMSL Resistor	On left kick panel.
Data Link Connector (DLC)	Under left side of dash.
Daytime Running Lamp (DRL) Diode	On lower part of left "B" pillar.
Distributor	On top rear of engine. See Fig. 2 .
Horn (2)	Behind center of front grille.
Ignition Coil	On top of engine, behind generator. See Fig. 3 .

GMC Safari 2003 - CONNECTORS

GMC Safari 2003 CONNECTORS LOCATION

Component	Location
C100 (Light Gray/Black, 36 Pin)	Left side of engine compartment, behind battery.
C102 (Black, 15 Pin)	Left side of engine compartment, behind battery.
C104 (Medium Gray/Dark Gray, 4 Pin)	Left side of engine compartment, behind battery.
C109 (Black, 3 Pin)	Left side of engine compartment, behind battery.
C110 (Black, 2 Pin)	Behind power steering fluid reservoir.
C175	Right side of transmission. See Fig. 5 .
C200 (White, 16 Pin)	Left side of engine compartment, behind battery.
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.
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)	Behind left kick panel.
C300 (Natural, 10 Pin)	Behind left kick panel.
C301 (White, 16 Pin)	Behind left kick panel.
C302 (Black, 4 Pin)	Front overhead console.
C303 (Blue, 8 Pin)	Front overhead console.
C306 (Black, 2 Pin)	Under driver seat.
C308 (Black, 3 Pin)	Front overhead console.
C309 (Gray, 5 Pin)	Left frame rail, near cross member.
C310 (Black, 7 Pin)	On underbody, front side of fuel tank.
C314 (Black, 4 Pin)	Left side of frame rail.
C333 (Black, 6 Pin)	Behind bottom of left "B" pillar.
C401 (Black, 2 Pin)	At top of left "D" pillar.
C404 (Black, 3 Pin)	In top center rear of vehicle.

GMC Safari 2003 - GROUNDS

GMC Safari 2003 GROUNDS LOCATION

Component	Location
G100	On right front of 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 lower left side of evaporative housing, behind receiver drier.
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 of door jamb switch.
G201	Behind center of dash.
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 underbody, front side of fuel tank.
G303	Behind bottom of left "B" pillar.
G400	On upper half of left "D" pillar.
G401	On lower half of right "D" pillar.
G403	On lower half of right "D" pillar.
G404	In passenger compartment, below left rear seat belt retractor.

GMC Safari 2003 - SPLICES

GMC Safari 2003 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 breakout for mass airflow, toward C100.
S116	In engine harness, 16 cm from breakout to mass airflow sensor, behind battery. See Fig. 4 .
S117	In engine harness, 2.5 cm from A/C low pressure cut-off switch breakout.
S119	In engine harness, 9 cm from A/C low-pressure cut-off switch breakout. See Fig. 3 .
S123	In engine harness, 6.5 cm from fuel injector harness breakout, toward C100. See Fig. 3 .
S124	In engine harness, 11.3 cm from engine oil pressure sensor 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. See Fig. 2 .
S135	Inside automatic transmission.
S154	In engine harness, 6 cm from generator breakout. See Fig. 3 .
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 cluster.
S211	In I/P harness, 6 cm from instrument cluster breakout.
S212	In I/P harness, 6 cm from C201 breakout, toward instrument cluster.
S213	In I/P harness, 41 cm from headlamp switch connector.
S217	In I/P harness, 2.5 cm from instrument cluster breakout.
S219	In I/P harness, 4 cm from instrument cluster connector breakout, toward right side of dash.
S220	In I/P harness, 6.5 cm from relay blocks breakout, toward relay blocks.
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 breakout, toward right side of dash.
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 cowl 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 blocks breakout.
S253	In I/P harness, 14 cm from relay blocks breakout.
S254	In I/P harness, 5 cm from relay blocks breakout.
S255	In I/P harness, 17.5 cm from relay blocks 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, 28 cm from fuse block, near park brake switch breakout.
S305	In I/P harness, 10.5 cm from convenience center.
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, toward top of vehicle.
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 upper half of left "D" pillar breakout.
S320	In body harness, 46 cm from upper half of left "D" pillar breakout.
S321	In body harness, 55 cm from upper half of left "D" pillar breakout.
S322	In 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, behind battery.
S326	In left kick panel, 13 cm from left door jamb switch breakout, behind battery.
S327	In l/P harness, 28 cm from I/P fuse block, near park brake switch breakout.
S328	In 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.
S336	In overhead console harness, 9 cm from front overhead console connector.
S337	In overhead console harness, 20.5 cm from front overhead console breakout.
S338	In overhead console harness, 26.5 cm from garage door opener connector.
S339	In overhead console harness, 17.5 cm from front overhead console breakout.
S340	In overhead console harness, 26.5 cm from garage door opener connector.
S341	In overhead console harness, 18 cm from driver information center connector.
S400	In body harness, 17 cm from center high mounted stoplamp 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 upper half of right "D" pillar breakout.
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 power 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 power 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 passenger power window breakout.
S603	In right door harness, 4 cm from front passenger power window breakout.
S605	In right door harness, 17 cm from front passenger power window breakout.
SP261	Strapped to I/P harness, behind data link connector.