Chevrolet Caprice Classic 1993 - ELECTRICAL COMPONENT LOCATOR 1993 ELECTRICAL COMPONENT LOCATIONS General Motors Co. - Electrical Components

Chevrolet Caprice Classic 1993 - BUZZERS, RELAYS & TIMERS

Chevrolet Caprice Classic 1993 BUZZERS, RELAYS & TIMERS LOCATION

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

Chevrolet Caprice Classic 1993 - CIRCUIT PROTECTION DEVICES

Chevrolet Caprice Classic 1993 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 .
Engine Compartment	On right inner fender panel, near battery. See Fig. 3 .
Circuit Breakers
Power Door Locks & Seats	In fuse block.
Power Windows	In fuse block.
Convenience Center	Behind left side of dash, on bracket.
ECM/Fuel Pump In-Line Fuse
4.3L (VIN Z)	In right rear of engine compartment, on relay bracket. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	In right rear of engine compartment, on relay bracket. See Fig. 1 .
Engine Compartment	In right rear of engine compartment, on relay bracket. See Fig. 3 .
Fuse Block
Auxiliary	To right of convenience center.
Main
4.3L (VIN Z)	Behind left side of dash. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Behind left side of dash. See Fig. 1 .
Fusible Links	Near battery, on battery junction block.

Chevrolet Caprice Classic 1993 - CONTROL UNITS

Chevrolet Caprice Classic 1993 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.
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 A/C Power Module	Behind right side of dash, near blower motor.
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 .
Keyless Entry Module	In luggage compartment, attached to rear shelf.
Knock Sensor Module
4.3L (VIN Z)	In right rear of engine compartment, on relay bracket. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	In right rear of engine compartment, on relay bracket. See Fig. 1 .
Low Coolant Warning Module	Behind right side of dash, below glove compartment.
Low Oil Warning Module	Behind right side of dash, below glove compartment.
Power Steering Control Module	Behind left side of dash, above fuse block.
Twilight Sentinel Module	Above base of steering column.
Vehicle Speed Sensor Module	Behind left side of dash, on top of convenience center.
Windshield Wiper Module	Attached to wiper motor assembly. See Fig. 3 .

Chevrolet Caprice Classic 1993 - SENDING UNITS & SENSORS

Chevrolet Caprice Classic 1993 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
Arming Sensor	Behind dash, to right of steering column.
Forward Discriminating Sensors	One on each side of radiator support assembly.
Coolant Temp. Sending Unit/Switch
4.3L	On right cylinder head, below exhaust manifold.
5.0L & 5.7L	On left cylinder head, below exhaust manifold.
Coolant Temperature Sensor
4.3L (VIN Z)	On front of engine, near thermostat housing. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On front of engine, near thermostat housing. See Fig. 1 .
Engine Block	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.
Intake Air Temp. (IAT) Sensor
5.0L & 5.7L (VIN E & 7)	In air cleaner assembly. See Fig. 1 .
Engine Block	In air cleaner assembly. See Fig. 4 .
Knock Sensor
4.3L	On cylinder block, near distributor. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On right side of cylinder block. See Fig. 1 .
Engine Block	On right side of cylinder block. See Fig. 4 .
Manifold Absolute Pressure (MAP) Sensor
4.3L (VIN Z)	In engine compartment, above wiper motor. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	In engine compartment, above wiper motor. See Fig. 1 .
Engine Compartment	In engine compartment, above wiper motor. See Fig. 3 .
Oil Pressure Sending Unit/Switch
4.3L	On intake manifold, near distributor.
5.0L & 5.7L	On left side of cylinder block, at rear.
Steering Wheel Rotation Sensor	At base of steering column, near floor.
Throttle Position (TP) Sensor
4.3L (VIN Z)	On throttle body assembly. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On throttle body assembly. See Fig. 1 .
Engine Block	On throttle body assembly. See Fig. 4 .
Twilight Sentinel Photocell Sensor	On top of dash panel, on defrost grille.
Vehicle Speed Sensor (VSS)	On transmission tailshaft. See Fig. 1 .

Chevrolet Caprice Classic 1993 - MOTORS

Chevrolet Caprice Classic 1993 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.

Chevrolet Caprice Classic 1993 - SOLENOIDS & SOLENOID VALVES

Chevrolet Caprice Classic 1993 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
AIR Port Solenoid Valve	On right top front of rocker cover. See Fig. 2 .
AIR Control Solenoid	On right side of engine, behind A/C compressor. See Fig. 2 .
AIR Diverter Valve Solenoid	On right top front of rocker cover. See Fig. 4 .
AIR Switch Solenoid	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 .
5.0L & 5.7L (VIN E & 7)	At right rear corner of engine, near distributor. See Fig. 1 .
Engine Block	At right rear corner of engine, near distributor. See Fig. 4 .
Idle Air Control (IAC) Valve
4.3L (VIN Z)	On throttle body assembly. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On throttle body assembly. See Fig. 1 .
Engine Block	On throttle body assembly. See Fig. 4 .
Power Steering Solenoid Actuator	On power steering pump.
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 1993 - SWITCHES

Chevrolet Caprice Classic 1993 SWITCHES LOCATION

Component	Location
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.
Brake Pressure Differential Switch	Below master cylinder, on brake combination valve.
Fuel Pump/Oil Pressure Switch
4.3L	On intake manifold, near distributor. See Fig. 2 .
5.0L & 5.7L	On left side of cylinder block, at rear. See Fig. 1 .
Parking Brake Switch	Attached to top of parking brake assembly.
Power Steering Pressure Switch
4.3L (VIN Z)	Near power steering pump, in pressure line. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Near power steering pump, in pressure line. See Fig. 1 .
Seat Belt Switch	Part of driver 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 1993 - MISCELLANEOUS

Chevrolet Caprice Classic 1993 MISCELLANEOUS LOCATION

Component	Location
ABS Pressure Modulator	On left side of engine compartment, left of alternator.
Blower Motor Resistor	Behind right side of dash, near blower motor.
Data Link Connector (DLC)
4.3L (VIN Z)	Under dash, to right of steering column. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Under dash, to right of steering column. See Fig. 1 .
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 1" from instrument cluster connector breakout branch.
DRL Dropping Diode	Attached to brake pedal bracket.
Interior Lights	Taped 1" from instrument cluster connector breakout branch.
Fuel Pump Test Connector
4.3L (VIN Z)	Near fuel pump relay, taped to wiring harness. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	Near fuel pump relay, taped to wiring harness. See Fig. 1 .
Engine Compartment	Near fuel pump relay, taped to wiring harness. See Fig. 3 .
Set Timing Connector
4.3L (VIN Z)	On right side of engine, on wiring harness. See Fig. 2 .
5.0L & 5.7L (VIN E & 7)	On right side of engine, on wiring harness. See Fig. 1 .
Engine Block	On right side of engine, on wiring harness. See Fig. 4 .
Stereo Amplifier
Sedan	Above left rear wheelwell.
Wagon	In luggage compartment, between rear speakers.