Chevrolet Caprice Classic 1992 - ELECTRICAL COMPONENT LOCATOR 1992 GENERAL MOTORS Electrical Component Locations

Chevrolet Caprice Classic 1992 - BUZZERS, RELAYS & TIMERS

Chevrolet Caprice Classic 1992 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Compressor Control Relay (5.0L & 5.7L VIN E & 7)	On relay bracket, on right rear of engine compartment. See Fig. 1 .
Blower Relay (High)	Under right side of dash, near blower motor.
Fuel Pump Relay
4.3L (VIN Z)	On relay bracket, on right rear of engine compartment. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On relay bracket, on right rear of engine compartment. See Fig. 1 .
Fuel Pump Relay	On relay bracket, on right rear of engine compartment. See Fig. 3 .
Hazard/Turn Signal Flasher Relay	On convenience center.
Horn Relay	On convenience center.
Power Antenna Relay	Behind left side of dash, left of convenience center.
Power Door Lock Relay	Behind left kick panel.
Rear Glass Release Relay (Wagon)	In convenience center.
Tailgate Lock Relay	Behind left kick panel.
Tailgate Window Release Relay	In convenience center.

Chevrolet Caprice Classic 1992 - CIRCUIT PROTECTION DEVICES

Chevrolet Caprice Classic 1992 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Battery Junction Block
4.3L (VIN Z)	On right inner fender panel, near battery. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On right inner fender panel, near battery. See Fig. 1 .
Battery Junction Block	On right inner fender panel, near battery. See Fig. 3 .
Convenience Center	On bracket, behind left side of dash.
ECM/Fuel Pump Relay In-Line Fuse
4.3L (VIN Z)	On relay bracket, on right rear of engine compartment. See Fig. 2 & 3.
Fuse Block
Auxiliary	On right side of convenience center.
Main
4.3L (VIN Z)	On left side of dash. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On left side of dash. See Fig. 1 .
Fusible Links "A", "B", "C", "D", "E" & "G" (Rust)	On battery junction block, on right side of engine compartment.
Power Accessory Circuit Breaker (Locks, Seats & Windows)	In fuse block.

Chevrolet Caprice Classic 1992 - CONTROL UNITS

Chevrolet Caprice Classic 1992 CONTROL UNITS LOCATION

Component	Location
ABS System Module	Behind left side of dash, above convenience center.
Air Bag System
Inflator Module	At center of steering wheel.
Resistor Module	Behind left side of dash, above parking brake pedal.
Audio Alarm Module	On convenience center, near parking brake pedal.
Cruise Control Module	On left rear of inner fender panel, near master cylinder.
Daytime Running Lights (DRL) Module	Above base of steering column.
Diagnostic Energy Reserve Module (DERM)	Behind left side of dash, above convenience center.
Electronic Control Module (ECM)
4.3L (VIN Z)	Behind right kick panel. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Behind right kick panel. See Fig. 1 .
Elect. Spark Control (ESC) Module
4.3L (VIN Z)	On relay bracket, on right rear of engine compartment. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On relay bracket, on right rear of engine compartment. See Fig. 1 .
Keyless Entry Module	In luggage compartment, attached to rear shelf.
Low Coolant Warning Module	Behind right side of dash, below glove compartment.
Low Oil Warning Module	Behind right side of dash, below glove compartment.
Twilight Sentinel Module	Above base of steering column.
Vehicle Speed Sensor Module	Behind left side of dash, above convenience center.
Windshield Wiper Module	Attached to wiper motor assembly. See Fig. 3 .

Chevrolet Caprice Classic 1992 - SENDING UNITS & SENSORS

Chevrolet Caprice Classic 1992 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Speed Sensors
Front	Mounted on each front wheel knuckle.
Rear	Mounted on rear axle differential.
Air Bag System Forward Discriminating Sensor	On left and right side of radiator support assembly.
Coolant Temp. Sending Unit/Switch
4.3L	On right side of engine block, below manifold.
5.0L & 5.7L	On left side of engine block, below manifold.
Coolant Temperature Sensor	On front of engine, near thermostat housing. See Fig. 4 .
Elec. Level Control Height Sensor	On center of rear crossmember.
Fuel Gauge Sending Unit	In fuel tank.
Knock Sensor
4.3L (VIN Z)	At right side of engine block, forward of starter. See Fig. 2 & 4.
5.0L & 5.7L (VIN E & 7)	At right side of engine block, forward of starter. See Fig. 1 & 4.
Low Coolant Level Sensor	On lower right side of radiator.
Manifold Absolute Press. (MAP) Sensor
4.3L (VIN Z)	In engine compartment, above wiper motor. See Fig. 2 & 3.
5.0L & 5.7L (VIN E & 7)	In engine compartment, above wiper motor. See Fig. 1 & 3.
Manifold Air Temp. (MAT) Sensor
4.3L (VIN Z)	In air cleaner assembly. See Fig. 2 & 4.
5.0L & 5.7L (VIN E & 7)	In air cleaner assembly. See Fig. 1 & 4.
Oil Pressure Sending Unit/Switch	At rear of engine, behind distributor.
Throttle Position Sensor (TPS)
4.3L (VIN Z)	On throttle body assembly. See Fig. 2 & 4.
5.0L & 5.7L (VIN E & 7)	On throttle body assembly. See Fig. 1 & 4.
Twilight Sentinel Photocell Sensor	On top of dash panel, on defrost grille.
Vehicle Speed Sensor (VSS) (5.0L & 5.7L VIN E & 7)	On transmission tailshaft. See Fig. 1 .

Chevrolet Caprice Classic 1992 - MOTORS

Chevrolet Caprice Classic 1992 MOTORS LOCATION

Component	Location
A/C-Heater Blower Motor	Under right side of dash.
Elec. Level Control Compressor	On left side of rear crossmember.
Fuel Pump	In fuel tank, on fuel tank sending unit.
Idle Air Control (IAC) Motor
4.3L (VIN Z)	On throttle body assembly. See Fig. 2 & 4.
5.0L & 5.7L (VIN E & 7)	On throttle body assembly. See Fig. 1 & 4.
Power Antenna Motor	Inside rear portion of right front fender.
Power Door Lock Motors	At rear of each door (upper right corner of tailgate).
Power Seat Motors	Under each seat.
Power Seat Recliner Motors	Under inner side of seat back.
Power Window Motors	In lower front of each door (inside left center of tailgate).
Wiper Motor
Rear Window (Wagon)	On rear header, above tailgate opening.
Windshield	In engine compartment, on center of firewall. See Fig. 3 .

Chevrolet Caprice Classic 1992 - SOLENOIDS & SOLENOID VALVES

Chevrolet Caprice Classic 1992 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
AIR Control Solenoid (5.0L & 5.7L VIN E & 7)	On right side of engine, behind A/C compressor. See Fig. 1 .
AIR Elec. Diverter Valve Solenoid (5.0L & 5.7L VIN E & 7)	On right top front of rocker cover. See Fig. 1 & 4.
AIR Switch Solenoid (4.3L VIN Z)	On right side of engine, near AIR control solenoid. See Fig. 2 .
Canister Purge Solenoid
4.3L (VIN Z)	At left front corner of engine compartment, on vapor canister. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	At left front corner of engine compartment, on vapor canister. See Fig. 1 .
EGR Solenoid
4.3L (VIN Z)	At right rear corner of engine, near distributor. See Fig. 2 & 4.
5.0L & 5.7L (VIN E & 7)	At right rear corner of engine, near distributor. See Fig. 1 & 4.
Rear Glass Release Solenoid	On center of tailgate.
Shift Inhibit Solenoid	On upper left of steering column.
Torque Conv. Clutch (TCC) Solenoid	In transmission case.
Trunk Lid Release Solenoid	Mounted to trunk lid.

Chevrolet Caprice Classic 1992 - SWITCHES

Chevrolet Caprice Classic 1992 SWITCHES LOCATION

Component	Location
ABS Pressure Switch	On brake master cylinder.
A/C High Pressure Cut-Out Switch	Mounted behind A/C compressor.
A/C Pressure Cycling Switch	Mounted on A/C accumulator. See Fig. 3 .
Brakelight/Cruise Release Switch	On brake pedal support bracket.
Fuel Pump/Oil Pressure Switch
4.3L (VIN Z)	On lower left rear of engine block. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On lower left rear of engine block. See Fig. 1 .
Park/Neutral Start Switch (A/T)	On transmission housing.
Parking Brake Switch	Attached to top of parking brake assembly.
Power Steering Press. Switch (PSPS)
4.3L (VIN Z)	In pressure line, near power steering unit. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	In pressure line, near power steering unit. See Fig. 1 .
Seat Belt Switch	Part of driver's seat belt assembly.
Tailgate Ajar Switch	Inside lower right corner of tailgate assembly.
TCC/Cruise Release Switch	On brake pedal support bracket.
Transmission Position Switch	On base of steering column.
Washer Fluid Level Switch	In windshield washer reservoir.

Chevrolet Caprice Classic 1992 - MISCELLANEOUS

Chevrolet Caprice Classic 1992 MISCELLANEOUS LOCATION

Component	Location
ABS Pressure Modulator	On left side of engine compartment, left of alternator.
ALDL Diagnostic Connector
4.3L (VIN Z)	Under left side of dash, to right of steering column. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Under left side of dash, to right of steering column. See Fig. 1 .
Blower Motor Resistor	Behind right side of dash, near blower motor.
Diodes
A/C Compressor Clutch	Taped inside compressor clutch harness connector.
Circuit Isolation	On turn/hazard switch harness connector breakout branch.
Door Open Warning (SE Models)	Taped to harness, 1" from instrument cluster connector breakout branch.
DRL Dropping Diode	Attached to brake pedal bracket.
Interior Lights	Taped to harness, 1" from instrument cluster connector breakout branch.
Fuel Pump Prime/Test Connector
4.3L (VIN Z)	Taped to wiring harness, by fuel pump relay. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Taped to wiring harness, by fuel pump relay. See Fig. 1 .
Fuel Pump Prime/Test Connector	Taped to wiring harness, by fuel pump relay. See Fig. 3 .
Set Timing Connector
4.3L (VIN Z)	On wiring harness, on right side of engine. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On wiring harness, on right side of engine. See Fig. 1 .
Set Timing Connector	On wiring harness, on right side of engine. See Fig. 4 .
Stereo Amplifier	In luggage compartment, between rear speakers.
Vehicle Speed Sensor Buffer (5.0L & 5.7L VIN E & 7)	Taped to wiring harness, near fuse block. See Fig. 1 .