Chevrolet Lumina APV 1990 - ELECTRICAL COMPONENT LOCATOR 1990 ELECTRICAL COMPONENTS LOCATIONS General Motors Corp. - Electrical Components - Trucks

Chevrolet Lumina APV 1990 - BUZZERS, RELAYS, TIMERS

Chevrolet Lumina APV 1990 BUZZERS, RELAYS, TIMERS LOCATION

Component	Location
A/C Compressor Relay	In right side of engine compartment, behind headlight. See Fig. 1 & 2.
Blower Motor High Speed Relay	In engine compartment, on A/C-heater module assembly. See Fig. 3 .
Blower Motor Low Speed Relay	Under right side of dash, on convenience center. See Fig. 4 .
Cooling Fan Relay	In right side of engine compartment, behind headlight. See Fig. 1 & 2.
Electronic Level Control (ELC) Inflator Timer Relay	Behind left rear wheelwell, near ELC compressor.
Electronic Level Control (ELC) Relay	Behind left rear wheelwell, near ELC compressor.
Fuel Pump Relay	On right front of engine compartment, behind headlight. See Fig. 1 & 2.
Hazard Flasher	Under right side of dash, on convenience center. See Fig. 4 .
Horn Relay	Under right side of dash, on convenience center. See Fig. 4 .
Power Door Lock Relay	Behind left kick panel.
Rear Window Relay	Under right side of dash, on convenience center.
Turn Signal Flasher	Behind dash, left of steering column.

Chevrolet Lumina APV 1990 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers
Daytime Running Lights (DRL)	Under right side of dash, on convenience center. See Fig. 4 .
Power Accessories	Under right side of dash, on convenience center. See Fig. 4 .
Power Windows	Under right side of dash, on convenience center. See Fig. 4 .
Rear Window Defogger	Under right side of dash, on convenience center. See Fig. 4 .
ECM/Fuel Pump Fuse	Behind right side of dash, in fuse block.
Fuse Block	On right side of dash, inside glove box. See Fig. 1 .
Fusible Links	Bolted to starter solenoid.

Chevrolet Lumina APV 1990 CONTROL UNITS LOCATION

Component	Location
Audio Alarm Module	Under right of dash, on convenience center. See Fig. 4 .
Cruise Control Module	Behind left side of dash, left of steering column.
Daytime Running Lights (DRL) Module	Behind left side of dash, left of steering column.
Electronic Control Module (ECM)	Under right side of dash, behind convenience center. See Fig. 1 .
Electronic Spark Control Module	Under right side of dash, behind convenience center. See Fig. 1 .
Remote Dimmer Module	Behind dash, left of steering column.
Wiper Motor Module
Front	In engine compartment, above right wheelwell.
Rear	Behind panel in rear liftgate.

Chevrolet Lumina APV 1990 SENDING UNITS & SENSORS LOCATION

Component	Location
Coolant Temperature Sending Unit	On rear of engine, below ignition coil.
Coolant Temperature Sensor	On left side of engine, near distributor. See Fig. 1 .
Daytime Running Light (DRL) Sensor	On top of left dash, next to front speaker grille.
Electronic Level Control (ELC) Height Sensor	Behind left rear wheelwell, near compressor.
Knock Sensor	On right side of engine. See Fig. 1 .
MAP Sensor	On air cleaner assembly. See Fig. 1 .
Oxygen (O2) Sensor	On exhaust manifold. See Fig. 1 .
Tach Signal Filter	Mounted to ignition coil bracket.
Throttle Position Sensor	On throttle body. See Fig. 1 .
Vehicle Speed Sensor	On top of transaxle. See Fig. 1 .

Chevrolet Lumina APV 1990 MOTORS LOCATION

Component	Location
A/C-Heater Blower Motor	In engine compartment, on right side of firewall. See Fig. 3 .
Auxiliary Blower Motor	On base of left "B" pillar.
Electronic Level Control (ELC) Compressor Motor	Behind left rear wheelwell.
Idle Air Control (IAC) Motor	On throttle body. See Fig. 1 .
Power Door Lock Motor	Behind each door panel.
Power Seat Motors	Under front left seat.
Sliding Door Lock Motor	Part of sliding door lock mechanism.
Windshield Washer Motor Front & Rear	In engine compartment, in washer fluid container.

Chevrolet Lumina APV 1990 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
EGR Electronic Vacuum Regulator Valve (EVRV)	On right side of engine, above water pump.
TCC Solenoid	On top of transaxle.

Chevrolet Lumina APV 1990 SWITCHES LOCATION

Component	Location
A/C High Pressure Switch	Mounted behind compressor. See Fig. 1 .
A/C Low Pressure Switch	Mounted behind compressor. See Fig. 1 .
A/C Refrigerant Pressure Switch	On right side of engine compartment, below accumulator. See Fig. 1 .
Brake Fluid Level Switch	Integral with brake master cylinder. See Fig. 3 .
Brake Light/Cruise/TCC Switch	Under dash, on brake pedal bracket.
Oil Pressure/Fuel Pump Switch	In front of engine, near oil filter. See Fig. 1 .
Park/Neutral Switch	On left side of engine compartment, on top of transaxle.
Parking Brake Switch	Part of parking brake mechanism.
Seat Belt Switch	Part of driver's seat belt latch mechanism.

Chevrolet Lumina APV 1990 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Clutch Diode	Taped to wiring harness, next to A/C clutch connector.
ALDL Diagnostic Connector	Under left side of dash, left of steering column. See Fig. 1 .
Blower Motor Resistor	In engine compartment, mounted on A/C-heater module assembly. See Fig. 3 .
Convenience Center	Under right side of dash. See Fig. 4 .
Courtesy Light Diode	On top of left "B" pillar, taped to courtesy light harness.
Daytime Running Light (DRL) Diode	In engine compartment, above left wheelwell.
Fuel Pump Test Connector	In engine wiring harness, behind battery. See Fig. 1 .
Set Timing Connector	In engine compartment, above right wheelwell. See Fig. 1 .
Solenoid Box	Behind right side of dash, mounted to A/C-heater box.
Vehicle Speed Sensor (VSS) Buffer	Behind right side of dash, above convenience center. See Fig. 1 .