Buick Regal Custom 1992 - ELECTRICAL COMPONENT LOCATOR 1992 ELECTRICAL COMPONENT LOCATIONS General Motors Co. - Electrical Components

Buick Regal Custom 1992 - BUZZERS, RELAYS & TIMERS

Buick Regal Custom 1992 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS System Relay	In electrical center, on left side of engine compartment.
A/C-Heater System Compressor Relay
2.5L (VIN R)	In electrical center, on right side of engine compartment. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	In electrical center, on right side of engine compartment. See Fig. 2 .
High Blower Relay	In convenience center, below right side of dash.
AIR Pump Relay (3.4L)	In electrical center, on right side of engine compartment.
Convertible Top Relays	Behind rear seatback.
Cooling Fan Relays
2.5L (VIN R)	In convenience center, on right side of engine compartment. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	In convenience center, on right side of engine compartment. See Fig. 2 .
Defogger Relay	In convenience center, below right side of dash.
Foglight Relay	In electrical center, on left side of engine compartment.
Fuel Pump Relay
2.5L (VIN R)	On right side of engine compartment, in electrical center. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On right side of engine compartment, in electrical center. See Fig. 2 .
Hazard Flasher Relay	In convenience center, under right side of dash.
Horn Relay	In electrical center, on left side of engine compartment.
Mini-Quad Relay	Behind left side of dash, left of steering column.
Power Antenna Relay	In fender, behind right rear wheelwell.
Power Door Lock Relay	On right kick panel, above center access hole.
Turn Signal Flasher Relay	Behind left side of dash, right of steering column.

Buick Regal Custom 1992 - CIRCUIT PROTECTION DEVICES

Buick Regal Custom 1992 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers	In convenience center, below right side of dash.
Convenience Center	Below right side of dash.
Convertible Top In-Line Circuit Breaker (Cutlass Supreme)	Behind rear seatback, taped to wiring harness.
ECM/Fuel Pump Fuse
2.5L (VIN R)	In electrical center, on right side of engine compartment. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	In electrical center, on right side of engine compartment. See Fig. 2 .
Electrical Centers
2.5L (VIN R)	On left and right side of engine compartment. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On left and right side of engine compartment. See Fig. 2 .
3.8L (VIN L)	On left and right side of engine compartment. See Fig. 3 .
Fuse Block
2.5L (VIN R)	Behind right side of dash, in glove compartment. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	Behind right side of dash, in glove compartment. See Fig. 2 .
3.8L (VIN L)	Behind right side of dash, in glove compartment. See Fig. 3 .
Fusible Links
"A" Right Electrical Ctr. (Rust)	At starter solenoid.
"B" Alternator (Rust)	At starter solenoid.
"D" ECM/Fuel Pump Fuse (Gray)	On left side electrical center.

Buick Regal Custom 1992 - CONTROL UNITS

Buick Regal Custom 1992 CONTROL UNITS LOCATION

Component	Location
ABS Control Module	On left side of engine compartment, near fender panel.
A/C-Heater Power Module	Behind right side of dash, under right side of plenum.
A/C-Heater & Radio Control Interface Module
Cutlass Supreme	Behind left side of dash, on lower steering column.
Grand Prix	Underside of steering column.
Regal	Inside top of steering column.
All Windows Automatic Down (AWAD) Module	Behind left side of dash.
Chime Module	In convenience center, under right side of dash.
Cruise Control Module	Behind right side of dash, left of brake pedal support.
Daytime Running Lights (DRL) Module	Behind left side of dash, on brake pedal support.
Driver Information Center (DIC) Module (Grand Prix)	Behind right side of dash.
Electronic Control Module (ECM)
2.5L (VIN R)	On right front inner fender panel, near strut tower. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On right front inner fender panel, near strut tower. See Fig. 2 .
3.8L (VIN L)	On right front inner fender panel, near strut tower. See Fig. 3 .
Keyless Entry Module
Except 2-Door	On rear package tray, near right speaker.
2-Door	On right rear quarter panel, near window.
Light Driver Module	Behind left side of dash, right of steering column.
Lumbar Seat Control Module	Under driver's seat.
Park/Turn Light Module	Behind right side of dash, taped to wiring harness.
Passive Restraint Control Module	Behind right side of dash.
Pneumatic Seat Control Module (Grand Prix)	Under left front seat.
Seat Power Module (Grand Prix)	Under left and right front seat.
Sun Roof Module	In center of windshield header.

Buick Regal Custom 1992 - SENDING UNITS & SENSORS

Buick Regal Custom 1992 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Speed Sensors	Behind each wheel hub.
A/C System In-Vehicle Temperature Sensor	Behind right side of dash.
Outside Temperature Sensor	Behind right side of front bumper.
Pressure Sensor (3.1L VIN T) & (3.4 VIN X)	On left front of engine compartment, on A/C line. See Fig. 2 .
Camshaft Sensor (3.8L)	On right side of engine, at end of camshaft.
Coolant Temperature Sensor (CTS)
2.5L (VIN R)	On top left side of engine, at coolant outlet. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On top rear right of engine. See Fig. 2 .
3.8L (VIN L)	On top rear right of engine. See Fig. 3 .
Crankshaft Sensor	On right side of engine, at end of crankshaft.
Knock Sensor
3.1L & 3.4L	On lower right rear of engine, below exhaust manifold.
3.8L	On right rear of engine.
Mass Airflow (MAF) Sensor (3.8L VIN L)	On air intake, on rear of engine. See Fig. 3 .
Manifold Absolute Press. (MAP) Sensor
2.5L (VIN R)	On top right of engine. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On top right of engine. See Fig. 2 .
Manifold Air Temp. (MAT) Sensor
2.5L (VIN R)	On air cleaner assembly. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On air cleaner assembly. See Fig. 2 .
3.8L (VIN L)	On air cleaner assembly. See Fig. 3 .
Oil Pressure Sensor
3.1L (VIN T) & 3.4 (VIN X)	On right side of engine, under ignition coil. See Fig. 2 .
Throttle Position Sensor (TPS)
2.5L (VIN R)	On throttle body assembly. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On throttle body assembly. See Fig. 2 .
3.8L (VIN L)	On throttle body assembly. See Fig. 3 .
Vehicle Speed Sensor (VSS)
2.5L (VIN R)	On right rear of engine, on transaxle. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On right rear of engine, on transaxle. See Fig. 2 .
3.8L (VIN L)	On right rear of engine, on transaxle. See Fig. 3 .

Buick Regal Custom 1992 - MOTORS

Buick Regal Custom 1992 MOTORS LOCATION

Component	Location
ABS Actuator Motor	On left rear of engine compartment.
A/C Air Temp. Valve Motor	Behind right side of dash, on right side of plenum.
A/C-Heater Blower Motor	Behind right side of dash, in plenum.
Idle Air Control (IAC) Motor
2.5L (VIN R)	On throttle body assembly. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On throttle body assembly. See Fig. 2 .
3.8L (VIN L)	On throttle body assembly. See Fig. 3 .
Pneumatic Seat Pump Motor	Under driver's seat.
Power Antenna Motor	In fender, behind right rear wheelwell.
Power Door Lock Motors	Near rear of each door.
Power Seat Motors	Below respective front seats.
Power Window Motors	In bottom center of each door.
Windshield Washer Pump Motor	In windshield washer fluid reservoir.
Windshield Wiper Motor	On left side of firewall, in engine compartment.

Buick Regal Custom 1992 - SOLENOIDS & SOLENOID VALVES

Buick Regal Custom 1992 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
ABS Solenoid	On left rear of engine compartment.
A/C System Solenoid Box	Behind right side of dash, on right of plenum.
Canister Purge Solenoid
3.1L (VIN T) & 3.4 (VIN X)	On top rear of engine, on intake plenum. See Fig. 2 .
3.8L (VIN L)	On top rear of engine, on intake plenum. See Fig. 3 .
Lap Belt Solenoid	In rear of each front door.
Seat Belt Retractor Solenoids	In bottom of each door.
Shoulder Belt Solenoid	In rear of each front door.
Torque Converter Clutch (TCC) Solenoid	In transaxle valve body.
Trunk Release Solenoid	In center trunk lid, above license plate.

Buick Regal Custom 1992 - SWITCHES

Buick Regal Custom 1992 SWITCHES LOCATION

Component	Location
A/C System
Pressure Switch (3.8L VIN L)	On A/C accumulator, on left front of engine compartment. See Fig. 3 .
High Pressure Switch	On high pressure line, between evaporator and accumulator.
Low Pressure Switch (2.5L VIN R)	On rear of A/C compressor. See Fig. 1 .
Intermediate Pressure Switch	On A/C accumulator, on left front of engine compartment.
Back-Up Light Switch	On top of transaxle.
Brake/Cruise Switch	On brake pedal support.
Brake Fluid Level Switch	On master cylinder.
Clutch/Cruise Switch	On clutch pedal support.
Coolant Temperature Switch
2.5L (VIN R)	On left of engine. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On lower right rear of engine. See Fig. 2 .
3.8L	On left rear of engine, below coolant outlet.
Coolant Level Switch
3.1L (VIN T) & 3.4 (VIN X)	On top right rear of radiator. See Fig. 2 .
Fuel Pump/Oil Press. Switch/Sender
2.5L	On lower right rear of engine.
3.1L (VIN T) & 3.4 (VIN X)	On left front of engine, above oil filter. See Fig. 2 .
3.8L	On right rear of engine, above oil filter.
Oil Pressure Switch
3.1L (VIN T) & 3.4 (VIN X)	On left side of engine, near oil filter. See Fig. 2 .
3.8L (VIN L)	On lower right front of engine. See Fig. 3 .
Parking Brake Switch	Behind left side of dash, on brake pedal support.
Power Steering Press. Switch (PSPS)
2.5L (VIN R)	On steering gear assembly, near input shaft. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	On steering gear assembly, near input shaft. See Fig. 2 .
Seat Belt Switch	In driver's seat belt assembly.
Transaxle Position Switch
2.5L (VIN R)	In lower left side of engine compartment, on transaxle. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	In lower left side of engine compartment, on transaxle. See Fig. 2 .
Transaxle Position Switch (3.8L VIN L)	In lower left side of engine compartment, on transaxle. See Fig. 3 .

Buick Regal Custom 1992 - MISCELLANEOUS

Buick Regal Custom 1992 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Clutch Diode	Near A/C compressor clutch breakout harness.
Blower Motor Resistors	Below right side of dash, in plenum.
ALDL Diagnostic Connector
2.5L (VIN R)	Below left side of dash, right of steering column. See Fig. 1 .
3.1L (VIN T) & 3.4 (VIN X)	Below left side of dash, right of steering column. See Fig. 2 .
3.8L (VIN L)	Below left side of dash, right of steering column. See Fig. 3 .
DRL Photo Resistor	On top of dash, near left front speaker.
Fuel Pump Prime/Test Connector
3.1L (VIN T) & 3.4 (VIN X)	Taped to wiring harness, below left side electrical center. See Fig. 2 .
3.8L (VIN L)	Taped to wiring harness, below left side electrical center. See Fig. 3 .
Radio Amplifier	Behind left side of dash, right of steering column.