The Chevrolet Corvette C4/ZR1 (1993-1996) is an iconic performance car known for its powerful engine and advanced technology for its time. Its electrical system is crucial for managing both essential and luxury features, safeguarded by fuses and relays.

The fuse box in the C4/ZR1 is located in the engine compartment and controls high-power systems like the engine control unit, headlights, and cooling fans. There’s also a fuse box inside the passenger compartment that manages lower-power systems such as the radio, power windows, and interior lights. Fuses protect these circuits by breaking the connection if there’s an overload, preventing damage.

Relays in the Corvette C4/ZR1 act as electrical switches for systems requiring higher current, such as the fuel pump, starter motor, and cooling fans. These relays allow the vehicle to control these systems efficiently and safely without overloading lower-power circuits. Regular checks on fuses and relays are essential to ensure the reliable performance of both critical and comfort-oriented electrical systems in this classic sports car.

MUST READ: DYI – How to Check Car Fuses?

(1993-1996) Chevrolet Corvette (C4/ZR1) fuse box and relay with Diagram

WARNING

  • Never replace a fuse with one that has a higher amperage rating.
  • A fuse with a too-high amperage could damage the electrical part and cause a fire.
  • On no account should fuses be repaired (e.g. patched up with tin foil or wire) as this may cause serious damage elsewhere in the electrical circuit or cause a fire.
  • If a fuse blows repeatedly, do not keep replacing it. Instead, have the cause for the repeated short circuit or overload tracked and fixed.
  • Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.

Chevrolet Corvette (C4/ZR1) 1993-1996 fuse assignment

  • Cigar lighter (power outlet) fuse in the Chevrolet Corvette is the fuse #44 in the Instrument panel fuse box.

Year of production: from 1993, 1994, 1995, 1996

Instrument Panel Fuse Box

Fuse Box Location

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

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

Fuse box diagram

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

Assignment of the fuses in the instrument panel

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
KPower Seals
LNot Used
MPower Windows
NNot Used
PNot Used

Engine Compartment Fuse Box

Fuse Box Location

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

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.

Fuse box diagram

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

Assignment of the fuses in the engine compartment

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
9Engine Conirol Module
10Fuel Pump
11Anti-Lock Brakes (ABS), Acceleration Slip Regulation System
12A/C Blower
13Rear Defogger
14Ignition
15Ignition
16Brake Hydraulics

Underhood Lamps Fuse

Chevrolet Corvette 1993 1996 en2 fuse box location
Chevrolet Corvette 1993 1996 en2 fuse box location

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

Ride Control Fuse

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

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.

Conclusion

For owners and enthusiasts of classic Chevrolet Corvette (C4/ZR1) 1993-1996, understanding the fuse box and relay systems is essential for vehicle maintenance. Regular inspection and maintenance of these components helped ensure the vehicle’s longevity and reliability, preserving its status as a symbol of Chevrolet’s craftsmanship and innovation in the automotive industry during that era.

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