Chevrolet Cavalier RS 1991 - ELECTRICAL COMPONENT LOCATOR 1991 ELECTRICAL COMPONENT LOCATIONS General Motors Corp. - Electrical Components

Chevrolet Cavalier RS 1991 - BUZZERS, RELAYS & TIMERS

Chevrolet Cavalier RS 1991 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
Compressor Relay	On right front fender panel, behind strut tower. See Fig. 1 -4.
A/C-Heater Blower Motor Relay
VIN G & T	On left side of firewall, on relay bracket. See Fig. 4 & 5.
VIN K	On right rear of engine compartment, behind strut tower.
Cooling Fan Relay
VIN G & T	On left front of engine compartment, behind battery. See Fig. 2 & 3.
VIN K	On left side of firewall, behind power brake booster. See Fig. 1 .
Convertible Roof Relay (Sunbird)	In left front of luggage compartment.
Fog Light Relay (Sunbird)	Behind left side of dash, above fuse block.
Fuel Pump Relay
VIN G & T	On left side of firewall, on relay bracket. See Fig. 2 -5.
VIN K	On right front fender panel, behind strut tower. See Fig. 1 .
Hazard Flasher Relay	On convenience center, under lower left side of dash.
Horn Relay	On convenience center, under lower left side of dash.
Power Door Lock Relay (Sunbird)	On convenience center, under lower left side of dash.
Rear Window Defogger Timer-Relay (Sunbird)	Behind left side of dash, on right side of steering column bracket.
Tailgate & Luggage Compartment Release Relay (Cavalier)	Behind center of dash, taped to harness.
Turn Signal Flasher Relay	Behind dash, on right side of steering column support.

Chevrolet Cavalier RS 1991 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Circuit Breakers	On fuse block.
Convenience Center	On top of left kick panel.
ECM/Fuel Pump Fuse (3.1L)	On right side of firewall, behind strut tower. See Fig. 3 .
Fuel Pump In-Line Fuse	On left side of firewall, on relay bracket. See Fig. 5 .
Fuse Block	Behind lower left side of dash. See Fig. 1 -3.
Fusible Links
VIN G & T
"A", "E" & "G"	In engine harness, at starter solenoid.
"C" & "L"	At battery junction box.
VIN K
"A", "B", "C" & "G"	In engine harness, at starter solenoid.
"F"	Behind battery.
"J" & "K"	On wiring harness, in left rear of engine compartment.
Relay Block	On right side of engine compartment firewall. See Fig. 4 .

Chevrolet Cavalier RS 1991 CONTROL UNITS LOCATION

Component	Location
Cruise Control Module	Behind left dash, above kick panel.
Electronic Control Module (ECM)	Behind right side of dash, behind glove box. See Fig. 1 -3.
Headlight Door Control Module (Sunbird)	On left strut tower.
Multi-Function Alarm Module	In convenience center.
Remote Light Dimmer Module	Behind dash, left of steering column.

Chevrolet Cavalier RS 1991 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C-Refrigerant Pressure Sensor	On refrigerant line, on right front of engine compartment.
Coolant Temp. Sending Unit/Switch
VIN G	On rear of engine, behind coolant outlet.
VIN K	On top left side of engine, near ignition coil.
VIN T	On left rear of engine, above exhaust manifold.
Coolant Temperature Sensor (CTS)
VIN G & T	On left side of engine, behind coolant outlet. See Fig. 2 & 3.
VIN K	On right front of engine, on coolant outlet. See Fig. 1 .
Crankshaft Sensor
VIN G	On right side of block, below DIS module.
VIN T	On right side of block, below exhaust manifold. See Fig. 3 .
Fuel Pump/Oil Pressure
VIN G & T	On right rear of engine, below intake manifold. See Fig. 3 & 6.
VIN K	On lower right side of engine, near oil filter.
Knock Sensor (3.1L)	On right side of block, below exhaust manifold. See Fig. 3 .
Manifold Absolute Press. (MAP) Sensor	On firewall, near blower motor. See Fig. 1 , Fig. 2 & 4.
Manifold Air Temp. (MAT) Sensor
VIN G & T	In air cleaner assembly. See Fig. 2 , Fig. 3 & 5.
VIN K	On right side of engine, on intake plenum. See Fig. 1 .
Throttle Position Sensor (TPS)	On throttle body. See Fig. 1 -3.
Vehicle Speed Sensor (VSS)	On top right of transaxle. See Fig. 1 -3.

Chevrolet Cavalier RS 1991 MOTORS LOCATION

Component	Location
A/C-Heater Blower Motor	On right side of firewall. See Fig. 4 .
Fuel Pump Motor	In fuel tank.
Headlight Door Motor	Behind respective headlight assembly.
Power Antenna Motor	In right front fender, behind wheelwell.
Power Window Motor	Inside lower front of each door.
Windshield Wiper Motor	On center of firewall.

Chevrolet Cavalier RS 1991 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
Automatic Safety Belt
Lap Belt Retractor Solenoid	In lower rear of each front door.
Shoulder Belt Retractor Solenoid	In upper rear of each front door.
Canister Purge Solenoid	On vapor canister, behind right headlight. See Fig. 3 .
Idle Air Control (IAC) Valve	On throttle body assembly. See Fig. 1 -3.
Luggage Compartment Release Solenoid
Coupe, Sedan & Convertible	Under luggage compartment lid, near lock mechanism.
Wagon	Below right side of tailgate window.
Tailgate Release Solenoid (Wagon)	Below right side of tailgate window.
Torque Converter Clutch (TCC) Solenoid	Inside transmission.

Chevrolet Cavalier RS 1991 SWITCHES LOCATION

Component	Location
A/C Low & High Pressure Cutout Switch	On left side of A/C compressor. See Fig. 1 .
A/C Pressure Fan Switch (3.1L)	On right front corner of engine, compartment. See Fig. 3 .
Anti-Theft System Front Door Handle Switch	In respective front door latch assembly.
Back-Up Light Switch	On top left side of transaxle.
Brake Fluid Level Switch	In brake fluid reservoir.
Brake/Stoplight Switch	On upper brake pedal support.
Clutch Start Switch	Below clutch pedal support.
Coolant Level Switch	In coolant reservoir.
Coolant Temperature Switch (3.1L)	On right front of engine, above oil filter.
Parking Brake Switch	In console, at base of parking brake lever.
P/N Switch/Neutral Start Switch	On right rear of transaxle. See Fig. 1 -3.
Power Steering Pressure Switch	On left side of firewall, below brake booster. See Fig. 3 .
Seat Belt Switch	On driver's seat belt assembly.
Tailgate Ajar Switch	On lower center portion of tailgate.
Transaxle Position Switch
VIN G & T	On top left side of transaxle.
VIN K	On left rear of engine, on top of transaxle.

Chevrolet Cavalier RS 1991 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Clutch Diode	In A/C compressor clutch connector. See Fig. 6 .
A/C-Heater Blower Resistor	On blower housing, in engine compartment.
ALDL Diagnostic Connector	Behind left side of dash, on right side of fuse block. See Fig. 1 -3.
Convenience Center	Behind dash, left of steering column.
Fuel Pressure Test Connector	On top rear of engine. See Fig. 3 .
Fuel Pump Test Connector	Taped to harness on left side of firewall, behind strut tower. See Fig. 1 -3.