Chevrolet Corvette ZR-1 1993 - ELECTRICAL COMPONENT LOCATOR 1993 ELECTRICAL COMPONENT LOCATIONS General Motors Co. - Electrical Components

Chevrolet Corvette ZR-1 1993 - BUZZERS, RELAYS & TIMERS

Chevrolet Corvette ZR-1 1993 BUZZERS, RELAYS & TIMERS LOCATION

Component	Location
A/C Clutch Relay	On left side of engine compartment, in front of battery. See Fig. 1 .
Amplifier Relay	Behind instrument panel.
Blower Relays (High & Low)	On left side of engine compartment, in front of battery.
Cooling Fan Relays (2)	On left side of radiator shroud. See Fig. 1 .
Courtesy Light Relay	Behind right side of dash. See Fig. 2 .
Cruise Control Cut-Off Relay	Under left side of dash, left of steering column.
Delayed Accy. Bus (DAB) Relay	Below left side of dash.
Foglight Relay	Under right side of dash. See Fig. 2 .
Fuel Pump Relay
Primary (No. 1)
View of Relays	Behind right side of dash, to left of glove compartment. See Fig. 2 .
Eng. Compartment 5.7L (VIN P)	Behind right side of dash, to left of glove compartment. See Fig. 1 .
Secondary (No. 2)	Behind instrument panel.
Hazard Flasher Relay	Behind right side of dash.
Horn Relay	Behind right side of dash. See Fig. 2 .
Power Antenna Relay	In luggage compartment, above left rear of wheelwell.
Radio Amplifier Relay	Behind left side of dash, near right of instrument cluster.
Rear Defogger Relay	Behind right side of dash. See Fig. 2 .
Rear Hatch Release Relay	In right rear corner of luggage compartment.
Starter Enable Relay	Behind instrument panel.
Turn Signal Flasher Relay	Behind instrument panel.
1-4 Upshift Relay (M/T)	On left side of engine compartment, in front of battery.

Chevrolet Corvette ZR-1 1993 - CIRCUIT PROTECTION DEVICES

Chevrolet Corvette ZR-1 1993 CIRCUIT PROTECTION DEVICES LOCATION

Component	Location
A/C Fuse	In wiring harness, near blower fan motor.
Circuit Breakers	In main fuse block, under right side of dash.
Convenience Center	Under right side of dash.
Fuse Blocks
Auxiliary	Behind right side of dash, near radio receiver box. See Fig. 1 .
Main	Under right side of dash. See Fig. 1 .
Fusible Links
"A" (Rust) Auxiliary Fuse Block	At jump start junction block.
"B" & "C" (Rust) Charging System	At jump start junction block.
"D" & "E" (Rust) Cooling Fan Relay	At jump start junction block.
"G" (Rust) Headlight Control Module	At jump start junction block.
"H" (Rust) ECM	On battery positive terminal pigtail.
"J" (Rust) ABS Modulator	At jump start junction block.
"K" (Rust) Blower Fan	At jump start junction block.
"L" (Rust) ABS Module	At jump start junction block.
"M" (Rust) Main Fuse Block	At jump start junction block.
"T" (Rust) Ignition Switch	At jump start junction block.
Underhood Lights In-Line Fuse	Attached to left front side marker light.

Chevrolet Corvette ZR-1 1993 - CONTROL UNITS

Chevrolet Corvette ZR-1 1993 CONTROL UNITS LOCATION

Component	Location
ABS Control Module	In left rear storage compartment.
A/C Pressure Sensor ECM	On left side of engine compartment, above battery.
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, near blower motor.
Central Control Module (CCM)	Behind center of dash.
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. 3 .
Diag. Energy Reserve Module (DERM)	Behind center of dash, below CCM.
Diode Module (CCM)	Behind right side of dash.
Door Ajar Diode Module	Behind right side of dash, near cruise control module.
Electronic Control Module (ECM)	On left rear of engine compartment, near battery. See Fig. 1 .
Headlight Door Control Module	In lower left front of engine compartment.
Heater & A/C Programmer	Behind center of dash.
Low Tire Press. Indicator Module	Behind center of dash, above A/C control head. See Fig. 3 .
Passive Keyless Entry Control Module	Under top left hand side of instrument panel. See Fig. 3 .
Select Ride Control Module	Under left corner of rear floor, in storage compartment.
Throttle Position (TP) Sensor Module	On right rear corner of engine compartment. See Fig. 1 .
Wiper/Washer Motor Module	On left side of firewall.

Chevrolet Corvette ZR-1 1993 - SENDING UNITS & SENSORS

Chevrolet Corvette ZR-1 1993 SENDING UNITS & SENSORS LOCATION

Component	Location
ABS Wheel Sensors	On each wheel spindle.
A/C System
In-Car Temp. Sensor	Behind right side of center A/C outlet.
Pressure Sensor	On right rear of engine compartment, on A/C high side line. See Fig. 1 .
Sunload Sensor	On top of dash, on center of defroster grille.
Air Bag System
Arming Sensor	Behind center of dash, on DERM.
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. 4 & 6.
Coolant Temperature Sensor	On front of engine, below throttle body assembly. See Fig. 1 .
Crankshaft Position Sensor	On right side of engine.
Engine Oil Temperature Sensor	On lower left rear of engine, above oil filter. See Fig. 1 .
Engine Temperature Sensor	On right side of engine. See Fig. 1 .
Intake Air Temp. (IAT) Sensor	On front center of engine under plenum. See Fig. 1 .
Knock Sensors	On left and right middle front of engine. See Fig. 1 .
Low Oil Level Sensor	On left bottom of oil pan.
Low Tire Pressure Sensors	On each wheel assembly, inside tire.
Oil Temperature Sensor	On left rear of engine.
Man. Absolute Pressure (MAP) Sensor	On top of engine, on intake plenum. See Fig. 1 .
Throttle Position (TP) Sensor	On throttle body assembly. See Fig. 1 .
Vehicle Speed Sensor (VSS)	On left rear of transmission tailshaft housing. See Fig. 4 .

Chevrolet Corvette ZR-1 1993 - MOTORS

Chevrolet Corvette ZR-1 1993 MOTORS LOCATION

Component	Location
ABS Return Pump	Non-serviceable part of modulator valve assembly.
Blower Motor	On right side of A/C-heater plenum.
Fuel Pump Motor	In fuel tank.
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 horn. See Fig. 1 .
Vacuum Pump	On right front of engine compartment, behind front impact bar.
Windshield Washer Motor	On right side of firewall.
Windshield Wiper Motor	In upper center of firewall.

Chevrolet Corvette ZR-1 1993 - SOLENOIDS & SOLENOID VALVES

Chevrolet Corvette ZR-1 1993 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Location
A/C Solenoid Assembly	Behind center of dash.
Canister Purge Solenoid	On right front of engine. 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 throttle body assembly. See Fig. 1 .
Part Throttle Valve Solenoid	Under plenum at front of engine, next to vacuum reservoir.
Rear Hatch Release Solenoid	On center of luggage compartment.
Secondary AIR By-Pass Valve	On left side of engine compartment, behind wheel. See Fig. 1 .
TCC Solenoid (A/T)	On left rear side of transmission.
1-4 Upshift Solenoid	On top rear of transmission. See Fig. 1 .
2-3 Gear Blockout Solenoid (M/T)
Transmission Wiring	Under vehicle, on left side of transmission. See Fig. 4 .
Engine Compartment 5.7L (VIN P)	Under vehicle, on left side of transmission. See Fig. 1 .

Chevrolet Corvette ZR-1 1993 - SWITCHES

Chevrolet Corvette ZR-1 1993 SWITCHES LOCATION

Component	Location
A/C Pressure Cut-Out Switch	In right rear corner of engine compartment, on A/C high side line.
A/C Pressure Cycling Switch	On evaporator housing, on A/C low side line. See Fig. 1 .
Back-Up Light Switch (M/T)	On lower left side of transmission. See Fig. 4 .
Brake Fluid Level Switch	In master cylinder reservoir.
Brake Pressure Differential Switch	In master cylinder.
Brake Stoplight/Cruise/TCC Switch	On top of brake pedal bracket.
Clutch/Cruise/Start/TCC Switch	On top of clutch pedal bracket.
Door Ajar Switches	In each door.
Door Key Switches	In each door, at lock cylinders.
Engine Oil Temperature Switch	On left rear side of engine, above oil filter.
Hatch Ajar Switch	On rear of luggage compartment, on end panel.
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 left 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.

Chevrolet Corvette ZR-1 1993 - MISCELLANEOUS

Chevrolet Corvette ZR-1 1993 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.
Data Link Connector (DLC)
Behind Dash Wiring	Under left side of dash, to right of steering column. See Fig. 3 .
Engine Compartment 5.7L (VIN P)	Under left side of dash, to right of steering column. See Fig. 1 .
Fuel Pump Test Connector	On left side of firewall, near master cylinder.
Ignition Test Connector	On left side of firewall, near master cylinder. See Fig. 1 .
Jump Start Junction Block	In left rear corner of engine compartment, behind battery.
Lateral Accelerometer	Near front of console area.
Set Timing Connector	On wiring harness, to right of master cylinder.
Shock Absorber Actuators	On top of each shock absorber.
Tach Filter	On right front of engine, taped in engine harness.
Tone Generator	Behind left side of dash, above DIC. See Fig. 3 .