Chevrolet Corvette ZR-1 1994 - ELECTRICAL COMPONENT LOCATOR 1994 ELEC COMPONENT LOCATION General Motors Corp. - Electrical Component Location

Chevrolet Corvette ZR-1 1994 - BUZZERS, RELAYS & TIMERS

Chevrolet Corvette ZR-1 1994 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Clutch Relay	On relay bracket, on right inner fender panel. See Fig. 1 .
Blower Motor Relays (High & Low)	On right side of engine compartment, on inner wheelwell.
Brake Pressure Modulator (BPM) Pump Relay	In left cargo storage, attached to BPM solenoid.
Cooling Fan Relays (2)	On left side of radiator shroud. See Fig. 1 .
Courtesy Light Relay	On relay bracket, under right side of dash.
Cruise Control Cut-Off Relay	Under left side of dash, left of steering column.
Deck Lid Release Relay (Conv.)	In right luggage compartment.
Delayed Accy. Bus (DAB) Relay	Behind left side of dash, left of steering column.
Foglight Relay	On relay bracket, under right side of dash.
Fuel Pump Relay	Behind right side of dash, to left of glove compartment. See Fig. 1 .
Hatch Release Relay (Coupe)	Taped to wiring harness, to right of latch assembly.
Hazard Flasher Relay	Behind right side of dash, near cruise control module.
Horn Relay	On relay bracket, behind right side of dash.
Power Antenna Relay	In luggage compartment, above left rear of wheelwell.
Power Seat
Forward/Back Relay	Under driver's seat.
Front Height Relay	Under driver's seat.
Rear Height Relay	Under driver's seat.
Rear Defogger Relay	Behind left side of dash, right of steering column.
Secondary AIR Pump Relay	On secondary AIR pump, behind left side of bumper.
Starter Enable Relay	Behind dash, left of steering column.
Stereo System Relay (Bose)	Taped to wiring harness, in right luggage compartment.
Turn Signal Flasher Relay	Behind instrument panel, left of steering column.
2-3 Blockout Relay (M/T)	On relay bracket, on right inner fender panel.

Chevrolet Corvette ZR-1 1994 - CIRCUIT PROTECTION DEVICES

Chevrolet Corvette ZR-1 1994 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C Fuse	In wiring harness, near blower fan motor.
Fuse Blocks
Engine Compartment (2)	On left rear of engine compartment, near battery. See Fig. 1 .
Passenger Compartment	On right side of dash. See Fig. 1 .
Fusible Links	At jump start junction block or battery positive terminal pigtail.

Chevrolet Corvette ZR-1 1994 - CONTROL UNITS

Chevrolet Corvette ZR-1 1994 CONTROL UNITS LOCATION

Component	Location
ABS/Traction Control Module	In left rear storage compartment.
Air Bag System
Inflator Module	On center of steering wheel.
Resistor Module	Behind center of dash, near radio control head.
Blower Motor Power Module	On right side of firewall, on top of evaporator housing.
Central Control Module (CCM)	Behind center of dash, behind radio.
Cruise Control Module	Behind right side of dash, near radio receiver box.
Daytime Running Lights (DRL) Module	Behind left side of dash, near DIC. See Fig. 2 .
Diag. Energy Reserve Module (DERM)	Behind right side of dash, left of fuse block.
Headlight Door Control Module	In lower left front of engine compartment.
Low Tire Pressure Warning Module	Behind center of dash, left of DIC. See Fig. 2 .
Passive Keyless Entry Control Module	Behind center of dash, behind DIC. See Fig. 2 .
Power Seat Control Module	Under passenger's seat.
Power Window Control Module	Behind center of dash, left of DIC.
Powertrain Control Module (PCM)	On left rear of engine compartment, near battery. See Fig. 1 .
Select Ride Control Module	In left storage compartment.
TPS Sensor Module	On right rear corner of engine compartment. See Fig. 1 .

Chevrolet Corvette ZR-1 1994 - SENDING UNITS & SENSORS

Chevrolet Corvette ZR-1 1994 SENDING UNITS & SENSORS LOCATION

Component	Location
A/C System
In-Car Temp. Sensor	Behind right side dash, behind A/C outlet.
Pressure Sensor	On right rear of engine compartment, on A/C high pressure line. See Fig. 1 .
Sunload Sensor	On top of dash, on center of defroster grille.
Air Bag System
Arming Sensor	Behind center of dash.
Front Discriminating Sensor	On left and right side of engine compartment, on frame rail.
Camshaft Position Sensor	On lower right side of engine, between cylinders No. 3 & 5.
Eng. Coolant Temp. (ECT) Sensor	On left front of engine, below throttle body assembly. See Fig. 1 .
Engine Oil Temperature Sensor	On lower left rear of engine, above oil filter. See Fig. 1 .
Engine Oil Temperature Sensor	On left rear side of engine.
Intake Air Temp. (IAT) Sensor	On front center of engine, under intake plenum. See Fig. 1 .
Knock Sensors	On left and right side of engine. See Fig. 1 .
Low Oil Level Sensor	On bottom left of oil pan, near oil filter.
Low Tire Pressure Sensors	On each wheel assembly, inside tire.
Manifold Absolute Pressure (MAP) Sensor	On top front of engine, on intake plenum. See Fig. 1 .
Mass Airflow Sensor	In fresh air intake duct. See Fig. 1 .
TPS Sensor	On throttle body assembly. See Fig. 1 .
Vehicle Speed Sensor (VSS)	On left rear of transmission tailshaft housing. See Fig. 2 .
Wheel Speed Sensor	Part of front wheel hub & rear wheel suspension knuckle.

Chevrolet Corvette ZR-1 1994 - MOTORS

Chevrolet Corvette ZR-1 1994 MOTORS LOCATION

Component	Location
ABS Return Pump	Non-serviceable part of modulator valve assembly.
Blower Motor	On right side of firewall.
Headlight Door Motor	Behind headlight assemblies.
Power Antenna Motor	In left rear corner of luggage compartment.
Power Door Lock Motor	One in each door.
Power Seat Motors	Under each seat.
Power Window Motors	In lower section of each door.
Secondary AIR Pump	On left front of engine compartment, behind bumper. See Fig. 1 .
Shock Absorber Actuators	On top of each shock absorber.
Windshield Washer Motor	In washer reservoir, on right side of firewall.
Windshield Wiper Motor	On left side of firewall.

Chevrolet Corvette ZR-1 1994 - SOLENOIDS & SOLENOID VALVES

Chevrolet Corvette ZR-1 1994 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C-Heater Solenoid Assembly	On floorboard, right of steering column.
Brake Pressure Modulator (BPM) Solenoid	In left cargo compartment.
Brake/Transmission Shift Interrupt (BTSI) Solenoid (A/T)	Under center console, near transmission position switch.
Canister Purge Solenoid	On top right of engine, near ignition test terminal. See Fig. 1 .
EGR Solenoid	On top left rear of engine. See Fig. 1 .
Electric Diverter Valve (EDV)	On left middle of engine compartment.
Idle Air Control (IAC) Valve	On front of engine, in throttle body assembly. See Fig. 1 .
Power Seat Solenoids	Under each seats.
Rear Hatch Release Solenoid
Convertible	On rear corner of left and right cargo compartment.
Coupe	On rear of cargo compartment, near latch assembly.
Secondary AIR By-Pass Valve	On left front of engine compartment, behind bumper. See Fig. 1 .
2-3 Gear Blockout Solenoid (M/T)	Under vehicle, on left side of transmission. See Fig. 2 .

Chevrolet Corvette ZR-1 1994 - SWITCHES

Chevrolet Corvette ZR-1 1994 SWITCHES LOCATION

Component	Location
A/C Pressure Cut-Out Switch	On right rear corner of engine compartment, on A/C high side line.
A/C Pressure Cycling Switch	On right rear of engine compartment, on A/C low side line. See Fig. 1 .
Back-Up Light Switch (M/T)	On lower left side of transmission. See Fig. 2 .
Brake Fluid Level Switch	In master cylinder reservoir.
Brake Pressure Differential Switch	In master cylinder.
Brake/Cruise Switch	On top of brake pedal bracket. See Fig. 1 .
Clutch/Start Switch	On top of clutch pedal bracket.
Door Ajar Switches	In each door.
Door Key Switches	In each door, at lock cylinders.
Key-In-Ignition Warning Switch	Behind ignition switch lock cylinder assembly.
Low Coolant Level Switch	At bottom of coolant reservoir.
Neutral/Start Switch	On bottom of shift lever.
Oil Pressure/Fuel Pump Switch	On top rear of engine. See Fig. 1 .
Parking Brake Switch	Behind parking brake lever.
Rear Hatch Ajar Switch	On center of body rear end.
Seat Belt Switch	In driver's seat belt buckle assembly.
Starter Enable Switch	Behind left side of dash, left of steering column.
Transmission Position Switch (A/T)	At base of gear selector lever.

Chevrolet Corvette ZR-1 1994 - MISCELLANEOUS

Chevrolet Corvette ZR-1 1994 MISCELLANEOUS LOCATION

Component	Location
A/C Compressor Clutch Diode	Taped in harness, near A/C compressor clutch connector.
Blower Motor Resistor	On left side of evaporator, in engine compartment.
Brake Warning Diode	Taped to ABS wiring harness, below battery.
Brakelight Capacitor	Taped to wiring harness, next to brake switch connector.
Data Link Connector (DLC)
View 1	Under left side of dash, to right of steering column. See Fig. 3 .
View 2	Under left side of dash, to right of steering column. See Fig. 1 .
Ignition Test Connector	On top right of engine, near canister purge solenoid. See Fig. 1 .
Interior Lights Diode (Coupe)	Taped to wiring harness, next to hatch release.
Power Seat Diode	Taped to wiring harness, near power seat switch.
Tone Generator	Behind left side of dash, above DIC. See Fig. 3 .