Chevrolet Camaro IROC-Z 1991 - ELECTRICAL COMPONENT LOCATOR 1991 ELECTRICAL COMPONENT LOCATIONS General Motors Corp. - Electrical Components

Chevrolet Camaro IROC-Z 1991 - BUZZERS, RELAYS & TIMERS

Chevrolet Camaro IROC-Z 1991 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Blower High Speed Relay	On A/C housing, near blower motor. See Fig. 1 & 2.
A/C Compressor Control Relay	On left side of firewall, to left of brake booster. See Fig. 3 .
Cooling Fan Relay
Primary	On relay bracket, at left of firewall, in engine compartment. See Fig. 1 -4.
Secondary	On relay bracket, at left of firewall, in engine compartment. See Fig. 1 & 2.
Defogger Timer Relay	Under dash, near glove compartment.
Door Lock Relay	Behind left kick panel, in lower opening.
Foglight Relay	Behind left side of dash, near fuse block. See Fig. 1 & 2.
Fuel Pump Relay	On relay bracket, at left of firewall, in engine compartment. See Fig. 1 -4.
Hazard Flasher Relay	In convenience center.
Horn Relay	In convenience center.
Lumbar Seat Pump Motor Relay	Under seat, attached to pump assembly.
Power Antenna Relay	Under right side of dash, near glove compartment.
Rear Hatch Release Relay	Under right side of dash.
Starter Enable Relay	At top of left kick panel.
Turn Signal Flasher Relay	Behind left side of dash, clipped to fuse block.

Chevrolet Camaro IROC-Z 1991 - CIRCUIT PROTECTION DEVICES

Chevrolet Camaro IROC-Z 1991 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
Convenience Center	Under dash, to right of steering column.
ECM/Fuel Pump Fuse
3.1L (VIN T)	On right fenderwell. See Fig. 3 .
Except 3.1L (VIN T)	On battery positive terminal pigtail. See Fig. 1 , Fig. 2 & 4.
Fuse Block	Under dash, to left of steering column. See Fig. 1 -4.
Fusible Links
A/C-Heater High Blower Relay (Rust)	At starter solenoid.
Cooling Fan Relay (Rust)	At battery junction block.
Foglight Relay (Rust)	In harness, below master cylinder.
Headlight Door Module (Blue)	In harness, below master cylinder (2 links).
Ignition Switch (Rust)	At starter solenoid.
Light Switch (Rust)	At starter solenoid.
Rear Hatch Release Relay (Rust)	At starter solenoid.
Headlight Circuit Breaker	In headlight switch.
Power Accessory Circuit Breaker	In fuse block.
Power Window/Rear Wiper Circ. Breaker	In fuse block.
VATS Fuse	In convenience center.

Chevrolet Camaro IROC-Z 1991 - CONTROL UNITS

Chevrolet Camaro IROC-Z 1991 CONTROL UNITS LOCATION

Component	Location
Air Bag Resistor Module	Behind left side of dash.
Audio Alarm Module	In convenience center.
Cruise Control Module	Behind right center of dash.
Diagnostic/Energy Reserve (DERM) Module 5.0L (VIN E)	Behind right side of dash.
Electronic Control Module (ECM)	Behind right side of dash. See Fig. 1 -4.
Elect. Spark Control (ESC) Module (5.0L VIN E)	On left side of firewall, behind brake booster. See Fig. 4 .
Headlight Door Module	On left side of firewall bracket, near wiper motor.
Pass Key Decoder Module	Behind right side of dash.
Wiper Motor Module	Mounted on wiper motor assembly.

Chevrolet Camaro IROC-Z 1991 - SENDING UNIT & SENSORS

Chevrolet Camaro IROC-Z 1991 SENDING UNIT & SENSORS LOCATION

Component	Location
Air Bag System
Arming Sensor	Under console, rear of gear selector shift bracket.
Discriminating Sensor	Under front of console.
Forward Discriminating Sensor	In front of engine, on radiator support bracket.
Coolant Temp. Sending Unit/Switch	In left cylinder head, below valve cover.
Coolant Temperature Sensor
3.1L	On top front of engine, under intake plenum. See Fig. 3 .
5.0L (VIN E)	At top right front of engine, behind A/C compressor. See Fig. 4 .
5.0L (VIN F) & 5.7L (VIN 8)	On top front of engine, below throttle body. See Fig. 2 & 4.
Engine Temperature Sensor	On left side of engine. See Fig. 1 -3.
Fuel Gauge Sending Unit	In fuel tank.
Knock Sensor	In lower right side of engine block, near starter. See Fig. 1 , Fig. 2 & 4.
MAP Sensor
3.1 (VIN T) & 5.0L (VIN E)	On right side of firewall. See Fig. 3 & 4.
5.0L (VIN F) & 5.7L (VIN 8)	On intake plenum. See Fig. 1 & 2.
MAT Sensor
3.1L (VIN T)	On air intake, at front of engine. See Fig. 3 .
5.0L (VIN E)	In air cleaner housing. See Fig. 4 .
5.0L (VIN F) & 5.7L (VIN 8)	On top rear of engine, on air intake shroud. See Fig. 1 & 2.
Oil Pressure Sensor	On left side of engine. See Fig. 1 -3.
Throttle Position Sensor (TPS)	On throttle body. See Fig. 1 -4.
Vehicle Speed Sensor (VSS)	At left rear of transmission. See Fig. 3 & 4.

Chevrolet Camaro IROC-Z 1991 - MOTORS

Chevrolet Camaro IROC-Z 1991 MOTORS LOCATION

Component	Location
A/C-Heater Blower Motor	In engine compartment, behind right shock tower.
Hatch Pull Down Motor	On rear latch mechanism.
Headlight Door Actuators	Near headlights.
Idle Air Control (IAC) Motor	On throttle body. See Fig. 1 -4.
Lumbar Seat Pump Motor	Under seat.
Power Antenna Motor	In right front fender, behind wheelwell.
Power Seat Motors	Under seats.
Power Window Motors	In lower front corner of doors.
Windshield Washer Motor	In washer fluid reservoir.

Chevrolet Camaro IROC-Z 1991 - SOLENOIDS & SOLENOID VALVES

Chevrolet Camaro IROC-Z 1991 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
AIR Control Solenoid (M/T)	On right front of engine. See Fig. 3 .
AIR Converter Solenoid	On bracket, at right side of engine. See Fig. 1 , Fig. 2 & 4.
AIR Port Solenoid	On bracket, at right side of engine. See Fig. 1 , Fig. 2 & 4.
Canister Purge Solenoid	On top of fuel vapor canister. See Fig. 1 -4.
Cold Start Valve (3.1L)	On top rear of engine, in intake plenum. See Fig. 3 .
Deceleration Valve (3.1L M/T)	On right front of engine, on valve cover. See Fig. 3 .
EGR Solenoid
3.1L (VIN T)	On top of engine, near ignition coil.
5.0L (VIN E & F) & 5.7L (VIN 8)	On top right rear of engine. See Fig. 1 , Fig. 2 & 4.
Hatch Release Solenoid	On rear hatch latch assembly.
Torque Conv. Clutch (TCC) Solenoid	Inside automatic transmission.

Chevrolet Camaro IROC-Z 1991 - SWITCHES

Chevrolet Camaro IROC-Z 1991 SWITCHES LOCATION

Component	Location
A/C High Pressure Cut-Out Switch	Behind A/C compressor.
A/C Pressure Cycling Switch	Right rear of engine compartment, on accumulator.
A/C Pressure Switch (Fan)	On lower right rear corner of engine compartment, on A/C line. See Fig. 1 -4.
Aux. Cooling Fan Switch	On lower right rear of engine block, above starter.
Back-Up Light Switch (A/T)	On base of shifter bracket.
Back-Up Light Switch (M/T)	On left side of transmission case.
Brake Fluid Level Switch	In master cylinder reservoir.
Brake Pressure Differential Warning Switch	In brake combination valve, below master cylinder.
Brake/Stoplight Switch	On brake pedal bracket.
Clutch/Start Switch	On clutch pedal bracket.
Cold Start Injector Switch (3.1L)	On top right front of engine, on intake plenum. See Fig. 3 .
Cooling Fan Override Switch	At right rear corner of intake manifold. See Fig. 3 .
Cooling Fan Temperature Switch	At rear of right cylinder head. See Fig. 1 , Fig. 2 & 4.
Engine Temperature Switch (3.1L)	On left side of engine. See Fig. 3 .
Fuel Pump/Oil Pressure Sensor/Switch (Except 5.0L TBI)	On lower left front side of engine. See Fig. 2 -4.
Gear Selector Switch	In console, at gear selector.
Neutral/Start Switch (A/T)	On base of shifter bracket.
Oil Pressure Switch	On left side of engine. See Fig. 3 & 4.
Parking Brake Switch	In console, at parking brake.
Power Steering Pressure Switch	On power steering line, above steering gearbox. See Fig. 3 & 4.
Seat Belt Switch	In driver's seat belt buckle.
Washer Fluid Level Switch	In washer fluid reservoir.

Chevrolet Camaro IROC-Z 1991 - MISCELLANEOUS

Chevrolet Camaro IROC-Z 1991 MISCELLANEOUS LOCATION

Component	Location
A/C Blower Motor Resistors	On blower housing, near blower motor.
A/C Compressor Clutch Diode	Taped in harness, near A/C compressor clutch.
ALDL Diagnostic Connector	Under left side of dash, on fuse block. See Fig. 1 -4.
Fuel Pump Prime/Test Connector
3.1L (VIN T)	On left firewall, near relay bracket. See Fig. 3 .
5.0L (VIN E)	On right rear corner of engine compartment. See Fig. 4 .
5.0L (VIN F) & 5.7L (VIN 8)
Camaro	On right rear corner of engine compartment. See Fig. 1 .
Firebird	On right rear corner of engine compartment. See Fig. 2 .
Set Timing Connector	On right corner of engine compartment. See Fig. 1 , Fig. 2 & 4.
Vehicle Speed Sensor Buffer	Behind speedometer. See Fig. 1 & 2.