GMC Safari 1991 - ELECTRICAL COMPONENT LOCATOR 1991 ELECTRICAL COMPONENT LOCATIONS General Motors Corp. - Electrical Components

GMC Safari 1991 - BUZZERS, RELAYS & TIMERS

GMC Safari 1991 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Clutch Control Relay	On bracket, at right side of engine compartment. See Fig. 1 .
A/C-Heater High Blower Relay	On bracket, at right side of engine compartment. See Fig. 1 .
Fog Lamp Relay	On convenience center.
Fuel Pump Relay
Relays	On bracket, at right side of engine compartment. See Fig. 1 .
Engine Compartment	On bracket, at right side of engine compartment. See Fig. 2 .
Hazard Flasher Relay	In Or Near Convenience Center, Below Left Side Of Instrument Panel.
Horn Relay	On convenience center.
Power Door Lock Delay Relay	On harness, to left of fuse block.
Power Door Lock Relay	Behind right kick panel.
Shift Indicator Light Relay	On bracket, behind right side of dash.
Turn Signal Flasher Relay	In Or Near Convenience Center, Below Left Side Of Instrument Panel.

GMC Safari 1991 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Battery Junction Block	On fender panel, next to battery.
Circuit Breakers
Auxiliary A/C	In convenience center. See Fig. 3 .
Auxiliary Heater	In convenience center. See Fig. 3 .
Fog Light Relay	In convenience center.
Power Accessories	In fuse block. See Fig. 3 .
Power Seats	In convenience center.
Power Window, Door Lock & Mirror	In convenience center. See Fig. 3 .
Convenience Center
Under Dash	Under dash, left of steering column. See Fig. 4 .
Fuse Block	Under dash, left of steering column. See Fig. 3 .
Fuse Block
Fuse Block	Under left side of dash. See Fig. 3 .
Engine Compartment	Under left side of dash. See Fig. 5 .
Fusible Links
A/C Clutch Control Relay (Gray)	At battery junction block.
Alternator (Rust)	At starter solenoid (2 links).
Ignition Switch/Fuse Block (Black)	At battery junction block (2 links).

GMC Safari 1991 CONTROL UNITS LOCATION

Component	Location
Audio Alarm Module	On bracket, above fuse block.
Cruise Control Module	Under dash, at right side of steering column. See Fig. 4 .
Digital Ratio Adapter Controller	On bracket, to left of radio. See Fig. 4 .
Electronic Control Module (ECM)	Behind right kick panel. See Fig. 2 .
Elec. Spark Cntrl. (ESC) Mod. (4.3L)	On bracket, at center of valve cover. See Fig. 2 .
Power Door Lock Module	Behind right kick panel.
Rear Anti-Lock Brake System (RABS) Electronic Control Unit	On bracket, at master cylinder.

GMC Safari 1991 SENDING UNITS & SENSORS LOCATION

Component	Location
Coolant Temp. Sending Unit/Switch	On side of left cylinder head.
Coolant Temperature Sensor	On front of intake manifold. See Fig. 2 .
Knock Sensor	At left rear side of engine block. See Fig. 2 .
Manifold Absolute Pressure (MAP) Sensor	On valve cover bracket, next to TPS. See Fig. 2 .
Oil Pressure Sending Unit/Switch	On top of engine block, behind distributor. See Fig. 2 .
Throttle Position Sensor (TPS)	On throttle body. See Fig. 2 .
Vehicle Speed Sensor (VSS)	At left rear of transmission. See Fig. 2 .

GMC Safari 1991 MOTORS LOCATION

Component	Location
Fuel Pump	On sending unit, in fuel tank.
Idle Air Control (IAC) Motor	On throttle body. See Fig. 2 .
Power Door Lock Motor	In bottom of each door.
Windshield Washer Motor	In washer reservoir.
Windshield Wiper Motor	On firewall, in engine compartment.

GMC Safari 1991 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Air Diverter Valve	On bracket, on rear of right valve cover.
EGR Vacuum Solenoid	On left rear of engine, near distributor. See Fig. 2 .
Torque Converter Clutch (TCC) Solenoid	In automatic transmission. See Fig. 2 .

GMC Safari 1991 SWITCHES LOCATION

Component	Location
A/C High Pressure Cut-Off Switch	On back of compressor.
Back-Up Light Switch	On transmission (M/T).
Brakelight Switch	On brake pedal bracket. See Fig. 4 .
Clutch Start Switch (M/T)	On clutch pedal bracket. See Fig. 4 .
Neutral Start/Back-Up Light Switch	On steering column (A/T).
Power Steering Pressure Switch (PSPS)	In steering pressure hose, near steering gear.

GMC Safari 1991 MISCELLANEOUS LOCATION

Component	Location
A/C-Heater Blower Resistor	In blower housing, near motor.
ALDL Diagnostic Connector	Under left side of dash. See Fig. 2 .
Engine Block Heater (4.3L)	In freeze plug hole, on left side of block.
Fuel Pump Prime/Test Connector	In wiring harness, near fuel pump relay. See Fig. 2 .
Tachometer Connector (4.3L)	In harness, next to ignition coil.