Buick Regal Limited 1994 - ELECTRICAL COMPONENT LOCATOR 1994 ELEC COMPONENT LOCATION General Motors Corp. - Electrical Component Location

Buick Regal Limited 1994 - BUZZERS, RELAYS & TIMERS

Buick Regal Limited 1994 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
ABS System Relay	On fuse/relay block No. 2, in engine compartment.
A/C Compressor Clutch Relay
3.1L (VIN M)	On fuse/relay block No. 1 or on right front of engine compartment. See Fig. 1.
3.1L (VIN T)	On fuse/relay block No. 1 or on right front of engine compartment. See Fig. 2.
3.4L (VIN X)	On fuse/relay block No. 1 or on right front of engine compartment. See Fig. 3.
Blower Motor Relays	In component center, behind right side of dash.
Convertible Top Relays	Behind rear seatback.
Cooling Fan Relays
3.1L (VIN M)	On fuse/relay block No. 1, in engine compartment. See Fig. 1.
3.1L (VIN T)	On fuse/relay block No. 1, in engine compartment. See Fig. 2.
3.4L (VIN X)	On fuse/relay block No. 1, in engine compartment. See Fig. 3.
Defogger Timer Relay	In component center, behind right side of dash.
Foglight Relay	On fuse/relay block No. 2, in engine compartment.
Fuel Pump Relay
3.1L (VIN M)	On fuse/relay block No. 1, in engine compartment. See Fig. 1.
3.1L (VIN T)	On fuse/relay block No. 1, in engine compartment. See Fig. 2.
3.4L (VIN X)	On fuse/relay block No. 1, in engine compartment. See Fig. 3.
Hazard Flasher Relay	In component center, behind right side of dash.
Headlight Relay	Behind left side of dash, left of steering column.
Horn Relay	On fuse/relay block No. 2, in engine compartment.
Passive Restraint Timer Relay	Behind right side of dash.
Power Antenna Relay	On right rear wheelwell.
Power Door Lock Relay	Above right kick panel.
Theft Deterrent Relay	Behind right side of dash, above glove compartment.
Turn Signal Flasher Relay	Behind left side of dash, right of steering column.

Buick Regal Limited 1994 - CIRCUIT PROTECTION DEVICES

Buick Regal Limited 1994 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers	In component center, behind right side of dash.
Component Center	Behind right side of dash, near blower motor.
Convertible Top In-Line Circuit Breaker (Cutlass Supreme)	Behind rear seatback, taped to wiring harness.
Fuse Block
3.1L (VIN M)	In glove compartment. See Fig. 1.
3.1L (VIN T)	In glove compartment. See Fig. 2.
3.4L (VIN X)	In glove compartment. See Fig. 3.
3.8L (VIN L)	In glove compartment. See Fig. 4.
Fuse/Relay Block
No. 1
3.1L (VIN T)	Forward of right front strut tower. See Fig. 2.
3.4L (VIN X)	Forward of right front strut tower. See Fig. 3.
3.8L (VIN L)	Forward of right front strut tower. See Fig. 4.
No. 2	On left front strut tower. See Fig. 1.
Fusible Links	At starter solenoid.

Buick Regal Limited 1994 - CONTROL UNITS

Buick Regal Limited 1994 CONTROL UNITS LOCATION

Component	Location
ABS System Control Module (EBCM)
Grand Prix	Below left side of instrument panel, on left side of mag bracket.
Except Grand Prix	On left side of engine compartment, inside fender panel.
Light Driver Module	Under left side of dash, right of steering column.
A/C-Heater Power Module	Behind right side of dash, under right side of plenum.
All Windows Automatic Down (AWAD) Module	Behind left side of dash.
Chime Module	In component center, under right side of dash.
Cruise Control Module	On left strut tower. See Fig. 4.
Daytime Running Lights (DRL) Module	Behind left side of dash, on brake pedal support.
Diagnostic Energy Reserve Module (DERM)	Behind left side of dash.
Ignition Control Module
3.1L (VIN M)	On right front of engine, below exhaust manifold. See Fig. 1.
3.1L (VIN T)	On right front of engine, below exhaust manifold. See Fig. 2.
3.4L (VIN X)	On right front of engine, below exhaust manifold. See Fig. 3.
3.8L (VIN L)	On right front of engine, below exhaust manifold. See Fig. 4.
Light Driver Module	Behind left side of dash, right of steering column.
Low Oil Sensor Module	Behind left side of dash, on left side of brake pedal.
Passive Restraint Control Module	Behind right side of dash.
Powertrain Control Module (PCM)
3.1L (VIN M)	On right side of engine compartment, forward of strut tower. See Fig. 1.
3.1L (VIN T)	On right side of engine compartment, forward of strut tower. See Fig. 2.
3.4L (VIN X)	On right side of engine compartment, forward of strut tower. See Fig. 3.
3.8L (VIN L)	On right side of engine compartment, forward of strut tower. See Fig. 4.
Radio Control Interface Module	Behind left side of dash, left of steering column.
Seat Control Module	Under left front seat.
Sun Roof Control Unit	On center of windshield header.
Theft Deterrent Module (Cutlass Supreme)	Below left side of dash, left of steering column.
Theft Deterrent Module (Grand Prix)	Behind right side of instrument panel, above glove box.
Theft Deterrent Module (Regal)	Below left side of dash, left of steering column. See Fig. 4.

Buick Regal Limited 1994 - SENDING UNITS & SENSORS

Buick Regal Limited 1994 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	On center of radiator support.
Pressure Sensor
3.1L (VIN M)	On left front of engine compartment, on A/C line. See Fig. 1.
3.1L (VIN T)	On left front of engine compartment, on A/C line. See Fig. 2.
3.4L (VIN X)	On left front of engine compartment, on A/C line. See Fig. 3.
Air Bag System
Arming Sensor	On floor tunnel, between front seats.
Discriminating Sensors
Forward	On center radiator support.
Passenger Compartment	Behind left side of dash.
Camshaft Position Sensor
3.1L (VIN M)	On right side of engine. See Fig. 1.
3.8L (VIN L)	On right side of engine. See Fig. 4.
3.4L	On left front of engine, on cylinder head.
Coolant Level Sensor	On top right of radiator. See Fig. 2.
Crankshaft Position Sensors
3X (Low Resolution)
3.1L (VIN M)	On engine block, behind alternator. See Fig. 1.
3.1L (VIN T)	On engine block, behind alternator. See Fig. 2.
3.4L (VIN X)	On engine block, behind alternator. See Fig. 3.
24X (High Resolution)
3.1L (VIN M)	At end of crankshaft, behind harmonic balancer. See Fig. 1.
3.4L (VIN X)	At end of crankshaft, behind harmonic balancer. See Fig. 3.
3.8L (VIN L)	At end of crankshaft, behind harmonic balancer. See Fig. 4.
DRL Light Sensor	On top of dash, near left front speaker.
Engine Coolant Temp. (ECT) Sensor
3.1L (VIN M)	On rear of engine. See Fig. 1.
3.1L (VIN T)	On rear of engine. See Fig. 2.
3.4L (VIN X)	On rear of engine. See Fig. 3.
3.8L (VIN L)	On rear of engine. See Fig. 4.
Intake Air Temp. (IAT) Sensor
3.1L (VIN M)	In air cleaner canister. See Fig. 1.
3.1L (VIN T)	In air cleaner canister. See Fig. 2.
3.4L (VIN X)	In air cleaner canister. See Fig. 3.
3.8L (VIN L)	In air cleaner canister. See Fig. 4.
Knock Sensor
3.1L	On right side of engine. See Fig. 1.
3.1L	On right side of engine. See Fig. 2.
3.4L	On right side of engine. See Fig. 3.
3.8L	On left side of engine. See Fig. 4.
Low Oil Level Sensor	In engine oil pan.
Manifold Absolute Press. (MAP) Sensor
3.1L (VIN M)	On top right of engine, on intake plenum. See Fig. 1.
3.1L (VIN T)	On top right of engine, on intake plenum. See Fig. 2.
Mass Airflow (MAF) Sensor
3.4L (VIN X)	On air intake, on rear of engine. See Fig. 3.
3.8L (VIN L)	On air intake, on rear of engine. See Fig. 4.
Oil Pressure Sensor	On left side of engine. See Fig. 2.
Throttle Position (TP) Sensor
3.1L (VIN M)	On throttle body assembly. See Fig. 1.
3.1L (VIN T)	On throttle body assembly. See Fig. 2.
3.4L (VIN X)	On throttle body assembly. See Fig. 3.
3.8L (VIN L)	On throttle body assembly. See Fig. 4.
Vehicle Speed Sensor (VSS)
3.1L (VIN M)	On right front of engine. See Fig. 1.
3.1L (VIN T)	On right front of engine. See Fig. 2.
3.4L (VIN X)	On right front of engine. See Fig. 3.
3.8L (VIN L)	On right front of engine. See Fig. 4.

Buick Regal Limited 1994 - MOTORS

Buick Regal Limited 1994 MOTORS LOCATION

Component	Location
ABS Actuator Motor	On left rear of engine compartment, under brake master cylinder.
A/C Air Temp. Valve Motor	Behind left side of dash.
A/C-Heater Blower Motor	Behind right side of dash, in plenum.
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	Under respective front seats.
Power Window Motors	In bottom center of each door.
Sunroof Motor	On center of windshield header.
Windshield Washer Pump Motor	In windshield washer fluid reservoir.
Windshield Wiper Motor	On left side of firewall, in engine compartment.

Buick Regal Limited 1994 - SOLENOIDS & SOLENOID VALVES

Buick Regal Limited 1994 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
ABS Solenoids	On left rear of engine compartment, under brake master cylinder.
Canister Purge Solenoid
3.1L (VIN M)	On top rear of engine, on intake plenum. See Fig. 1.
3.1L (VIN T)	On top rear of engine, on intake plenum. See Fig. 2.
3.4L (VIN X)	On top rear of engine, on intake plenum. See Fig. 3.
3.8L (VIN L)	On top rear of engine, on intake plenum. See Fig. 4.
Idle Air Control (IAC) Valve
3.1L (VIN M)	On throttle body assembly. See Fig. 1.
3.1L (VIN T)	On throttle body assembly. See Fig. 2.
3.4L (VIN X)	On throttle body assembly. See Fig. 3.
3.8L (VIN L)	On throttle body assembly. See Fig. 4.
Lap Belt Solenoids	In rear of each front door.
Seat Belt Retractor Solenoids	In bottom of each door.
Shoulder Belt Solenoids	In rear of each front door.
Torque Converter Clutch (TCC) Solenoid	In transaxle valve body.
Trunk Release Solenoid	In center of trunk lid, above license plate.

Buick Regal Limited 1994 - SWITCHES

Buick Regal Limited 1994 SWITCHES LOCATION

Component	Location
A/C System Pressure Switch	On A/C line near accumulator, on right front of engine compartment. See Fig. 4.
Back-Up Light Switch	On top of transaxle.
Brake/Cruise/TCC Switch	On brake pedal support.
Brake Fluid Level Switch	In master cylinder.
Clutch/Cruise Switch	On clutch pedal support.
Engine Coolant Temp. Switch	On right rear of engine. See Fig. 2.
Fuel Pump/Oil Pressure Switch
3.1L (VIN M)	Near oil filter. See Fig. 1.
3.1L (VIN T)	Near oil filter. See Fig. 2.
3.4L (VIN X)	Near oil filter. See Fig. 3.
3.8L (VIN L)	Near oil filter. See Fig. 4.
Oil Press. Sw. (3.1L - VIN T)	On left side of engine. See Fig. 2.
Park/Neutral Switch
3.1L (VIN M)	In lower left side of engine compartment, on transaxle. See Fig. 1.
3.1L (VIN T)	In lower left side of engine compartment, on transaxle. See Fig. 2.
3.4L (VIN X)	In lower left side of engine compartment, on transaxle. See Fig. 3.
3.8L (VIN L)	In lower left side of engine compartment, on transaxle. See Fig. 4.
Parking Brake Switch	Under left side of dash, on top of brake pedal support.
Power Steering Pressure Switch
3.1L (VIN T)	On left rear of engine compartment, on power steering line. See Fig. 2.
3.4L (VIN X)	On left rear of engine compartment, on power steering line. See Fig. 3.
Seat Belt Switch	In driver's seat belt assembly.

Buick Regal Limited 1994 - MISCELLANEOUS

Buick Regal Limited 1994 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Clutch Diode	About 17 cm from A/C compressor clutch.
Blower Motor Resistors	Behind right side of dash, in plenum.
Data Link Connector (DLC)
3.1L (VIN M)	Below left side of dash, right of steering column. See Fig. 1.
3.1L (VIN T)	Below left side of dash, right of steering column. See Fig. 2.
3.4L (VIN X)	Below left side of dash, right of steering column. See Fig. 3.
3.8L (VIN L)	Below left side of dash, right of steering column. See Fig. 4.
DRL Diode	Behind left side of dash, on brake pedal support.
Fuel Pump Prime/Test Connector
3.1L (VIN M)	Taped to wiring harness, below No. 2 fuse/relay block. See Fig. 1.
3.1L (VIN T)	Taped to wiring harness, below No. 2 fuse/relay block. See Fig. 2.
3.4L (VIN X)	Taped to wiring harness, below No. 2 fuse/relay block. See Fig. 3.
3.8L (VIN L)	Taped to wiring harness, below No. 2 fuse/relay block. See Fig. 4.
Keyless Entry Receiver	On right side of rear shelf.
Radio Amplifier	Behind left side of dash, right of steering column.