Chevrolet Lumina Euro 1990 - ELECTRICAL COMPONENT LOCATOR 1990 ELECTRICAL COMPONENT LOCATIONS General Motors Corp. - Electrical Components

Chevrolet Lumina Euro 1990 - BUZZERS, RELAYS & TIMERS

Chevrolet Lumina Euro 1990 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Compressor Control Relay
2.5L Location	In right side electrical center. See Fig. 1 .
3.1L Location	In right side electrical center. See Fig. 2 .
A/C Compressor Control Relay Location	In right side electrical center. See Fig. 3 .
A/C-Heater Blower Relays	Behind right side of dash, in convenience center. See Fig. 4 .
Cooling Fan Relays
2.5L Location	In right side electrical center. See Fig. 1 .
3.1L Location	In right side electrical center. See Fig. 2 .
Cooling Fan Relays Location	In right side electrical center. See Fig. 3 .
Defogger Timer Relay	Behind right side of dash, in convenience center. See Fig. 4 .
Fuel Pump Relay
2.5L Location	In left side electrical center. See Fig. 1 .
3.1L Location	In left side electrical center. See Fig. 2 .
Fuel Pump Relay Location	In left side electrical center. See Fig. 5 .
Hazard Flasher Relay	Behind right side of dash, in convenience center. See Fig. 4 .
Horn Relay	On right side of engine compartment.
Power Antenna Relay	On bracket, at base of antenna.
Power Door Lock Relay	On right kick panel, above center access hole.
Turn Signal Flasher Relay	Behind instrument cluster, to right of steering column.

Chevrolet Lumina Euro 1990 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers
Headlights	Behind right side of dash, in convenience center. See Fig. 4 .
Power Accessories	Behind right side of dash, in convenience center. See Fig. 4 .
Power Windows	Behind right side of dash, in convenience center. See Fig. 4 .
Rear Defogger	Behind right side of dash, in convenience center. See Fig. 4 .
Convenience Center	Behind right side of dash, below glove box.
ECM Power Fuse
2.5L Location	In left side electrical center. See Fig. 1 .
3.1L Location	In left side electrical center. See Fig. 2 .
ECM Power Fuse Location	In left side electrical center. See Fig. 5 .
Fuse Block
2.5L Engine	Behind right side of dash, in glove compartment. See Fig. 1 .
3.1L Engine	Behind right side of dash, in glove compartment. See Fig. 2 .
Fusible Elements	In right side electrical center. See Fig. 3 .
Fusible Links	In left side electrical center. See Fig. 5 .
Left Side Electrical Center
2.5L Engine	In engine compartment, on left strut tower. See Fig. 1 .
3.1L Engine	In engine compartment, on left strut tower. See Fig. 2 .
Right Side Electrical Center
2.5L Engine	In engine compartment, on right strut tower. See Fig. 1 .
3.1L Engine	In engine compartment, on right strut tower. See Fig. 2 .

Chevrolet Lumina Euro 1990 CONTROL UNITS LOCATION

Component	Location
Chime Module	Behind right side of dash, in convenience center. See Fig. 4 .
Cruise Control Module	Behind instrument cluster, to left of brake pedal support.
Direct Ignition System (DIS) Module
2.5L TBI	On left rear of engine, below intake manifold. See Fig. 1 .
3.1L PFI	On left front of engine, above starter assembly. See Fig. 2 .
Electronic Control Module (ECM)
2.5L Engine	In engine compartment, in front of right strut tower. See Fig. 1 .
3.1L Engine	In engine compartment, in front of right strut tower. See Fig. 2 .
Seat Belt Timer Control Module	Behind right side of dash, in convenience center.

Chevrolet Lumina Euro 1990 SENDING UNITS & SENSORS LOCATION

Component	Location
Coolant Level/Corrosion Sensor	On right side of radiator. See Fig. 2 .
Coolant Temperature Sensor
2.5L Engine	On top left side of engine, at coolant outlet. See Fig. 1 .
3.1L Engine	On top left side of engine, at coolant outlet. See Fig. 2 .
Crankshaft Sensor	On lower right rear of engine.
Knock Sensor	Below exhaust manifold, at right rear of engine.
Manifold Absolute Press. (MAP) Sensor
2.5L TBI	On top rear of engine, on right side of air cleaner. See Fig. 1 .
3.1L PFI	On bracket, behind alternator. See Fig. 2 .
Manifold Air Temp. (MAT) Sensor
2.5L TBI	On right rear of engine, on intake manifold. See Fig. 1 .
3.1L PFI	On air intake duct, near left strut tower. See Fig. 2 .
Oil Pressure Sensor	On left front side of engine, near oil filter. See Fig. 2 .
Oxygen Sensor
2.5L Engine	In exhaust manifold, near rear of engine. See Fig. 1 .
3.1L Engine	In exhaust manifold, near rear of engine. See Fig. 2 .
Throttle Position Sensor (TPS)
2.5L Engine	On throttle body. See Fig. 1 .
3.1L Engine	On throttle body. See Fig. 2 .
Vehicle Speed Sensor (VSS)
2.5L Engine	On top right rear of transaxle. See Fig. 1 .
3.1L Engine	On top right rear of transaxle. See Fig. 2 .

Chevrolet Lumina Euro 1990 MOTORS LOCATION

Component	Location
A/C Air Temp. Valve Motor	Below right side of dash, on A/C-heater housing.
A/C-Heater Blower Motor	Below right side of dash, on A/C-heater housing.
Power Antenna Motor	In fender, behind right rear wheelwell.
Power Door Lock Motors	Near rear of each door.
Power Window Motors	In center of each door.
Windshield Washer Pump Motor	In windshield washer fluid reservoir.
Windshield Wiper Motor	In engine compartment, on left side of firewall.

Chevrolet Lumina Euro 1990 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Air Select/Switching Valve	On right rear side of engine.
Canister Purge Solenoid	On bracket, behind MAP sensor. See Fig. 2 .
Digital Exhaust Gas Recirculation (DEGR)	Lower LH rear of engine.
Elect. Vacuum Regulator Valve (EVRV)	At rear of engine, at valve cover.
Idle Air Control (IAC) Valve
2.5L Engine	On throttle body, at top rear of engine. See Fig. 1 .
3.1L Engine	On throttle body, at top rear of engine. See Fig. 2 .
Seat Belt Retractor Solenoids	In bottom of each door.
Torque Converter Clutch (TCC) Solenoid	On transaxle valve body.

Chevrolet Lumina Euro 1990 SWITCHES LOCATION

Component	Location
A/C High Pressure Switch	On back of A/C compressor. See Fig. 2 .
A/C Intermediate Pressure Switch	In A/C line, near A/C accumulator.
A/C Low Pressure Switch	On back of A/C compressor. See Fig. 2 .
A/C Pressure Fan Switch	On A/C pressure line, at condenser. See Fig. 2 .
Back-Up Light Switch	On top of transaxle.
Brake Fluid Level Switch	On master cylinder reservoir.
Brake Switch	Under left side of dash, on brake pedal support bracket.
Clutch Switch	Under left side of dash, on clutch pedal support bracket.
Coolant Temperature Switch	On left side of engine, below coolant outlet. See Fig. 2 .
Fuel Pump/Oil Pressure Switch	On left front side of engine, near oil filter. See Fig. 2 .
Park/Neutral (P/N) Switch
2.5L Engine	On left side of transaxle, below brake master cylinder. See Fig. 1 .
3.1L Engine	On left side of transaxle, below brake master cylinder. See Fig. 2 .
Parking Brake Switch	On parking brake pedal support.
Power Steering Pressure Switch (PSPS)
2.5L Engine	On steering gear assembly, near input shaft. See Fig. 1 .
3.1L Engine	On steering gear assembly, gear input shaft. See Fig. 2 .
Seat Belt Switch	In driver's seat belt.

Chevrolet Lumina Euro 1990 MISCELLANEOUS LOCATION

Component	Location
A/C Comp. Clutch Diode	In A/C compressor clutch connector.
A/C-Heater Blower Motor Resistors	Below right side of dash, on A/C-heater housing.
A/C-Heater System Solenoid Box	Below right side of dash, on A/C-heater housing.
ALDL Connector
2.5L Engine	Below instrument cluster, to right of steering column. See Fig. 1 .
3.1L Engine	Below instrument cluster, to right of steering column. See Fig. 2 .
Convenience Center	Behind left side of dash.
Dropping Diode Assembly	Behind left side of dash, near shroud.
Fuel Pump Test/Prime Connector	Taped to wiring harness, below left electrical center. See Fig. 2 .