Chevrolet Corvette (1990-1995)

Explore Chevrolet (Chevy) Corvette fuse box diagrams in this straightforward guide that explains the electrical layout of the classic fourth-generation model. In this article, we consider the fourth-generation Chevrolet Corvette (Model Code: C4), produced from 1990 to 1995, and provide fuse box diagrams for Chevrolet Corvette 1990, 1991, 1992, 1993, 1994 and 1995, along with information about the location of the fuse panels and the assignment of each fuse and relay (fuse layout).

Passenger Compartment

Fuse Box Location

The fuse panel is located on the right side of the instrument panel (turn the knob and pull the door to access).

The location of the fuses in the passenger compartment: Chevrolet Corvette (C4; 1993-1996)

Fuse Box Diagram

Instrument panel fuse box diagram: Chevrolet Corvette (C4; 1993, 1994, 1995, 1996)

Fuses

Assignment of the fuses in the instrument panel

Fuse Data
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Description
11993: Not Used;
1994-1996: Heater, A/C Programmer
21993-1994: Not Used;
1995-1996: Brake-Transmission Shift Interlock
3Windshield Wiper/Washer Switch Assembly
4Radio Receiver (Ignition)
51993-1994: Heated Mirrors;

1995-1996: Heated Mirrors, Heater and A/C Control Head, Heater and A/C Programmer
61993-1994: Taillight, Daytime Running Lights Module;
1995-1996: Light Switch, Daytime Running Lamps Module
7Horn Relay
8Hazard Flashers, Brake Switch
9Crank-Air Bag
10Crank-Park/Neutral Switch (Automatic), Clutch Switch (Manual)
11RH Illumination
12LH Illumination
13Console Illumination
14Fuel Pump 1
151993-1995: Fuel Pump 2 (LT5);
1996: Automatic Transmission
16Central Control Module, Daytime Running Lamps Module
171993-1995: Generator; Automatic Transmission Vacuum Pump (LT5), Valet Mode (LT5), EGR Circuit (LT5), Oxygen Sensors (LT5);
1996: Generator
18A/C Compressor Clutch, Healer and A/C Control Head, Heater and A/C Programmer, Rear Defog Relay (1994-1996)
19Accessory Plug
201993: A/C Programmer;
1994-1996: Heated Oxygen Sensors (LT1)
211993-1994: Fuel Pump Relay Coil #2 (LT5), Selective Ride Control Module, ABS Module, Transmission Clutch Control Switch (Automatic), Air Pump Relay, Diverter Valve, Secondary Bypass Valve (LT5);

1995: Fuel Pump Relay #2 (LT5), Selective Ride Control Module, ABS Module, Brake Switch (Automatic), Air Pump Relay, Air Bypass Valve (LT5);

1996: Real Time Damping Module, ABS Module, HVAC Solenoid Assembly
221993-1994: Injectors #1,4,6,7 (LT1), Primary Injectors #1-8 (LT5), Ignition Coil Module (LT5), Ignition Coil Plate Connector (LT5);

1995: Injectors #1, 4, 6, 7 (LT1), Primary Injectors #1-8 (LT5), Ignition Coil (LT5);

1996: Injectors #1, 4, 6, 7
231993: Injectors #2, 3, 5, 8 (LT1), Secondary Injector Relays #1, 2 (LT5);
1994: Injectors #2, 3, 5, 8 (LT1), Secondary Injector Relays (#1, 2 (LT5), Secondary SF1 Control Modules (LT5);

1995: Injectors #2, 3, 5, 8 (LT1), Secondary SF1 Control Modules (LT5);

1996: Injectors #2, 3, 5, 8
24Turn Signal Flashers
25Ignition Coil and Ignition Coil Module
26Passive Keyless Entry Module
27Instrument Cluster, Driver Information Center, Air Bag System, Acceleration Slip Regulation Switch (LT5)
28Back-up Lamps Switch, Transmission Position Switch, One to Four Shift Solenoid
291993-1994: Primary Cooling Fan Relay Coil, Secondary Cooling Fan Relay Coil;

1995-1996: Cooling Fan Relay Coil #1, 2, 3
301993: Secondary Butterfly Relay (LT5), Direct Ignition Module, Camshaft Sensor, Traction Buffer, Cannister Purge Solenoid, Exhaust Gas Recirculation Control (LT1), Gear Relay (Manual);

1994: Direct Ignition Module, Camshaft Sensor, Canister Purge Solenoid, Throttle Position Sensor Buffer Module, EGR Circuit (LT1), Secondary Air Inlet Solenoid (LT5), Electronic Ignition Control Module (LT5), One to Four Shift Relay;

1995: Camshaft Sensor (LT5), Canister Purge Solenoid; Throttle Position Sensor Buffer Module (LT5), EGR Circuit (LT1), Secondary Air Inlet Solenoid (LT5); Ignition Control Module (LT5), HVAC Solenoid Assembly, Mass Airflow Sensor (LT1), One to Four Shift Relay;

1996: Canister Purge Solenoid, EGR Circuit (LT1), Mass Airflow Sensor, One to Four Shift Relay, Brake Switch (Automatic), Air Pump Relay
31Power Mirror Adjuster Control, Lighted Rearview Mirror, Visor Vanity Mirrors
32Cruise Control Engage Switch, Daytime Running Lamps Module, Low Tire Pressure Warning Module, Cruise Control Cut-off Relay
33Engine Control Module
34Air Bag System
35Central Control Module
36Dome Lamp Relay (1993), Footwell Courtesy Lamps, Door Courtesy Lamps, Glove Compartment Lamps, Lighted Rearview Mirror
37Bose Amplifier Relay, Power Antenna Relay, Cargo Compartment Lamps
38LCD (1993, 1994), Instrument Cluster, Tone Generator, Dome Lamp Relay (1994-1996)
39Central Control Module
40Radio Receiver (Battery), Radio Control Head, Passive Keyless Entry Module
411993: Not Used;
1994-1996: Sport Seats
421993: Power Door Lock Switches;

1994-1996: Power Door Lock Switches, Driver Information Center, Passive Keyless Entry Module
43Heater and A/C Programmer
44Cigarette Lighter, Accessory Plug
45Hatch or Deck Lid Release Relay

Circuit Breakers

Assignment of the circuit breakers in the instrument panel

Fuse Data
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ID.Description
KPower Seals
LNot Used
MPower Windows
NNot Used
PNot Used

Engine Compartment

Fuse Box Location

There are two maxi-fuse blocks in the engine compartment. One is part of the forward lamp wiring harness, and the other is part of the ECM-engine wiring harness.

The location of the fuses in the engine compartment: Chevrolet Corvette (C4; 1993-1996)

Fuse Box Diagram

Under-hood fuse box diagram: Chevrolet Corvette (C4; 1993, 1994, 1995, 1996)

Forward Lamp Fuse Block

Assignment of the fuses in the engine compartment Forward Lamp Fuse Block

Fuse Data
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No.Description
1Interior Lighting
2Primary Cooling Fan
3LH Headlamp Motor
4RH Headlamp Motor
5Secondary Cooling Fan
6Exterior Lighting
7Power Accessory (Power Locks, Hatch, Lighter, Seats)
8Air Pump

ECM Engine Fuse Block

Assignment of the fuses in the engine compartment ECM Engine Fuse Block

Fuse Data
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No.Description
9Engine Conirol Module
10Fuel Pump
11Anti-Lock Brakes (ABS), Acceleration Slip Regulation System
12A/C Blower
13Rear Defogger
14Ignition
15Ignition
16Brake Hydraulics

Under-hood Lamps Fuse

The fuse is under the hood on the driver’s side-marker lamp assembly. If you need to keep the hood open for an extended period of time, remove the fuse.

Underhood Lamps Fuse: Chevrolet Corvette (C4; 1993, 1994, 1995, 1996)

Ride Control Fuse

Vehicles equipped with the optional Real-Time Damping ride control system are protected with a fuse located in the ABS compartment behind the driver’s seat. To access this fuse, pull back the carpet, remove the screw and lift the cover.

Ride Control Fuse: Chevrolet Corvette (C4; 1993, 1994, 1995, 1996)

FAQ

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