The Chevrolet Corvette C5 (1997-2004) is a renowned sports car that introduced several technological advancements. Its electrical system is safeguarded by fuses and relays, which are vital for protecting various vehicle components.
The fuse box in the C5 Corvette is located in two main areas: the engine compartment and the interior (typically near the passenger side footwell). The engine compartment fuse box manages essential systems like the engine control module, headlights, and cooling fans, while the interior fuse box handles lower-power systems such as power windows, interior lighting, and the radio. Fuses help prevent electrical damage by cutting off power if a circuit overloads.
Relays in the C5 act as switches to control high-current components like the fuel pump, starter motor, and cooling fans. They allow low-power circuits to control high-power systems, ensuring the car’s performance components function efficiently. Regular maintenance of fuses and relays is key to avoiding electrical issues and ensuring the reliable operation of the Corvette’s critical systems, from its engine to comfort features.
MUST READ: DYI – How to Check Car Fuses?
(1997-2004) Chevrolet Corvette (C5) 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 (C5) 1997-2004 fuse assignment
- Cigar lighter / power outlet fuses in the Chevrolet Corvette are the fuses №7 (Cigarette Lighter) and 11 (Accessory Power) in the Passenger Compartment fuse box.
Year of production: from 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
Fuse box location
Passenger Compartment
The passenger compartment fuse box is located under the glove box, in the front-passenger footwell (remove the lining and cover).
Engine Compartment
It is located in the engine compartment (on the right side).
Fuse box diagrams
1997, 1998
Passenger Compartment
Assignment of the fuses and relay in the Passenger Compartment (1997, 1998)
| № | Usage |
|---|---|
| 1 | Console Cigarette Lighter |
| 2 | Monitored (Inadvertent) Load Control |
| 3 | Lumbar Seat |
| 4 | Driver Seat Control Module |
| 5 | Radio |
| 6 | Parking Lamps, Taillamps |
| 7 | Cigar Lighter |
| 8 | Stop Hazard Flashers |
| 9 | Body Control Module |
| 10 | Windshield Wiper/Washer |
| 11 | Accessory Power |
| 12 | Blank |
| 13 | Body Control Module |
| 14 | Crank |
| 15 | Hazard/Turn Signal |
| 16 | Air Bag |
| 17 | TONN REL (Convertible Only) |
| 18 | HVAC Controls |
| 19 | Instrument Panel Control |
| 20 | Cruise Control |
| 21 | Brake Transmission Shift Interlock |
| 22 | Body Control Module – Ignition 3 |
| 23 | Body Control Module – Ignition 2 |
| 24 | Radio Antenna |
| 25 | Body Control Module – Ignition I, Instrument Panel Control |
| 26 | Hatch/Trunk Release |
| 27 | HVAC Controls |
| 28 | Bose Speakers |
| 29 | Diagnostic |
| 30 | Right Door Control Module |
| 31 | Power Feed Door Right |
| 32 | Fuel Tank Door |
| 33 | Door Control Module Left |
| 34 | Power Feed Door Left |
| 35 | Driver Power Seat (Circuit Breaker) |
| 36 | Passenger Power Seat (Circuit Breaker) |
| 37 | Micro Relay – Monitored (Inadvertent) Load Control |
| 38 | Micro Relay – Right Daytime Running Lamp |
| 39 | Micro Relay – Hatch Release |
| 40 | Micro Relay -Left Daytime Running Lamp |
| 41 | TONN REL (Convertible Only) |
| 42 | Micro Relay – Courtesy Lamps |
| 43 | Bose Mini Relay – Speakers |
| 44 | Mini Relay – Rear Defogger |
| 45 | Maxifuse – Ignition 2 |
| 46 | Maxifuse – Rear Defogger |
| 47 | Blank |
| 48 | Maxifuse – Ignition |
| 49 | Maxifuse – Blower Motor |
| 50 | Starter |
| 51 | Blank |
| 52 | Maxi Circuit Breaker – Headlamps |
Engine Compartment
Assignment of the fuses and relay in the Engine Compartment (1997, 1998)
| № | Usage |
|---|---|
| 1 | 1997: Rear Fog Lamp 1998: ABS TRANS |
| 2 | Approach |
| 3 | Right Headlamp Motor |
| 4 | Left Headlamp Motor |
| 5 | 1997: Anti-Lock Brakes 1998: BLANK |
| 6 | Fog Lamp |
| 7 | Selective Real Time Damping |
| 8 | Headlamp Low Beam Right |
| 9 | Headlamp High Beam Right |
| 10 | Headlamp Low Beam Left |
| 11 | Horn |
| 12 | Headlamp High Beam Left |
| 13 | Fuel Pump |
| 14 | Cooling Fan – Ignition 3 |
| 15 | Oxygen Sensor |
| 16 | Powertrain Control Module |
| 17 | Throttle Control |
| 18 | Injector 2 |
| 19 | Engine Ignition |
| 20 | Blank |
| 21 | Blank |
| 22 | Injector 1 |
| 23 | Powertrain Control Module |
| 24 | Air Conditioning |
| 25 | Blank |
| 26 | Blank |
| 27 | Spare |
| 28 | Spare |
| 29 | Spare |
| 30 | Spare |
| 31 | Spare |
| 32 | Spare |
| 33 | Micro Relay – Air Pump |
| 34 | Micro Relay – Air Conditioner and Clutch |
| 35 | Micro Relay – Fuel Pump |
| 36 | Micro Relay – Horn |
| 37 | Micro Relay – Rear Fog Lamp |
| 38 | Micro Relay – Back-up Lamps |
| 39 | Micro Relay – Fog Lamp |
| 40 | Micro Relay – AIR Solenoid |
| 41 | Micro Relay – Selective Real Time Damping |
| 42 | Mini Relay – Ignition |
| 43 | Mini Relay – Cooling Fan 2 |
| 44 | Mini Relay – Cooling Fan 3 |
| 45 | Mini Relay – Cooling Fan 1 |
| 46 | Maxi Fuse – Cooling Fan 2 |
| 47 | Blank |
| 48 | Blank |
| 49 | Maxi Fuse – Cooling Fan 1 |
| 50 | Maxi Fuse – Air Pump |
| 51 | Blank |
| 52 | Maxi Fuse – Anti-Lock Brakes |
| 53 | Anti-Lock Brakes and Selective Real Time Damping Electronics |
| 54 | Fuse Puller |
1999, 2000
Passenger Compartment
Assignment of the fuses and relay in the Passenger Compartment (1999, 2000)
| № | Usage |
|---|---|
| 1 | Console Cigarette Lighter |
| 2 | Monitored (Inadvertent) Load Control |
| 3 | Lumbar Seat |
| 4 | Driver Seat Control Module |
| 5 | Radio |
| 6 | Parking Lamps, Taillamps |
| 7 | Cigar Lighter |
| 8 | Stop Hazard Flashers |
| 9 | Body Control Module |
| 10 | Windshield Wiper/Washer |
| 11 | Accessory Power |
| 12 | Blank |
| 13 | Body Control Module – Ignition 1 |
| 14 | Crank |
| 15 | Hazard/Turn Signal |
| 16 | Air Bag |
| 17 | Tonneau Release |
| 18 | HVAC Controls |
| 19 | Instrument Panel Control |
| 20 | Cruise Control |
| 21 | 1999: Brake Transmission Shift Interlock 2000: Automatic Transmission Shift Lock Control System |
| 22 | Body Control Module – Ignition 3 |
| 23 | Body Control Module – Ignition 2 |
| 24 | Radio Antenna |
| 25 | Body Control Module – Ignition I, Instrument Panel Control |
| 26 | Hatch/Trunk Release |
| 27 | HVAC Controls |
| 28 | Bose Speakers |
| 29 | Diagnostic |
| 30 | Right Door Control Module |
| 31 | Power Feed Door Right |
| 32 | Fuel Tank Door |
| 33 | Door Control Module Left |
| 34 | Power Feed Door Left |
| 35 | Driver Power Seat (Circuit Breaker) |
| 36 | Passenger Power Seat (Circuit Breaker) |
| 37 | Micro Relay – Monitored (Inadvertent) Load Control |
| 38 | Micro Relay – Right Daytime Running Lamp |
| 39 | Micro Relay – Hatch Release |
| 40 | Micro Relay -Left Daytime Running Lamp |
| 41 | Micro Relay – Tonneau Release |
| 42 | Micro Relay – Courtesy Lamps |
| 43 | Micro Relay – Automatic Lamp Control Parking Lamps |
| 44 | Micro Relay – Automatic Lamp Control Headlamps |
| 45 | Bose Mini Relay – Speakers |
| 46 | Mini Relay – Rear Defogger |
| 47 | Maxifuse – Ignition 1 |
| 48 | Maxifuse – Rear Defogger |
| 49 | Blank |
| 50 | Maxifuse – Ignition 2 |
| 51 | Maxifuse – Blower Motor |
| 52 | Starter |
| 53 | Blank |
| 54 | Maxi Circuit Breaker – Headlamps |
Engine Compartment
Assignment of the fuses and relay in the Engine Compartment (1999, 2000)
| № | Usage |
|---|---|
| 1 | Rear Fog Lamp |
| 2 | Approach |
| 3 | Right Headlamp Motor |
| 4 | Left Headlamp Motor |
| 5 | 1999: ABS TRANS 2000: Anti-Lock Brakes, Selective Real Time Damping (SRTD) |
| 6 | Fog Lamp |
| 7 | Selective Real Time Damping |
| 8 | Headlamp Low Beam Right |
| 9 | Headlamp High Beam Right |
| 10 | Headlamp Low Beam Left |
| 11 | Horn |
| 12 | Headlamp High Beam Left |
| 13 | Fuel Pump |
| 14 | Cooling Fan – Ignition 3 |
| 15 | Oxygen Sensor |
| 16 | Powertrain Control Module |
| 17 | Throttle Control |
| 18 | Injector 2 |
| 19 | Engine Ignition |
| 20 | Blank |
| 21 | Blank |
| 22 | Injector 1 |
| 23 | Powertrain Control Module |
| 24 | Air Conditioning |
| 25 | Blank |
| 26 | Blank |
| 27 | Spare |
| 28 | Spare |
| 29 | Spare |
| 30 | Spare |
| 31 | Spare |
| 32 | Spare |
| 33 | Micro Relay – Air Pump |
| 34 | Micro Relay – Air Conditioner and Clutch |
| 35 | Micro Relay – Fuel Pump |
| 36 | Micro Relay – Horn |
| 37 | Micro Relay – Rear Fog Lamp |
| 38 | Micro Relay – Back-up Lamps |
| 39 | Micro Relay – Fog Lamp |
| 40 | 1999: Micro Relay – AIR Solenoid 2000: Blank |
| 41 | Micro Relay – Selective Real Time Damping |
| 42 | Mini Relay – Ignition |
| 43 | Mini Relay – Cooling Fan 2 |
| 44 | Mini Relay – Cooling Fan 3 |
| 45 | Mini Relay – Cooling Fan 1 |
| 46 | Maxi Fuse – Cooling Fan 2 |
| 47 | Blank |
| 48 | Blank |
| 49 | Maxi Fuse – Cooling Fan 1 |
| 50 | Maxi Fuse – Air Pump |
| 51 | 1999: Maxi-Fuse – Selective Real Time Damping Electronics 2000: Blank |
| 52 | Maxi Fuse – Anti-Lock Brakes |
| 53 | 1999: Anti-Lock Brakes 2000: Anti-Lock Brakes, Selective Real Time Damping (SRTD) Electronics |
| 54 | Fuse Puller |
2001, 2002, 2003, 2004
Passenger Compartment
Assignment of the fuses and relay in the Passenger Compartment (2001-2004)
| № | Usage |
|---|---|
| 1 | Console Cigarette Lighter |
| 2 | Monitored (Inadvertent) Load Control |
| 3 | Lumbar Seat |
| 4 | Driver Seat Control Module |
| 5 | Radio, Compact Disc Player |
| 6 | Parking Lamps, Taillamps |
| 7 | Cigarette Lighter |
| 8 | Stoplamp, Hazard Flashers |
| 9 | Body Control Module |
| 10 | Windshield Wiper/Washer |
| 11 | Accessory Power |
| 12 | Blank |
| 13 | Body Control Module – Ignition 1 |
| 14 | Crank |
| 15 | Hazard/Turn Signal |
| 16 | Air Bag |
| 17 | Tonneau Release |
| 18 | HVAC Controls |
| 19 | Instrument Panel Control |
| 20 | Cruise Control |
| 21 | Automatic Transmission Shift Lock Control System and Inside Rearview Mirror |
| 22 | Body Control Module – Ignition 3 |
| 23 | Body Control Module – Ignition 2 |
| 24 | Radio Antenna |
| 25 | Body Control Module – Ignition I, Instrument Panel Control |
| 26 | Hatch/Trunk Release |
| 27 | HVAC Controls |
| 28 | Bose Speakers |
| 29 | Diagnostic |
| 30 | Right Door Control Module |
| 31 | Power Feed Door Right |
| 32 | Fuel Tank Door |
| 33 | Door Control Module Left |
| 34 | Power Feed Door Left |
| 35 | Driver Power Seat |
| 36 | Passenger Power Seat |
| 47 | Ignition 1 |
| 48 | Rear Defogger |
| 49 | Blank |
| 50 | Ignition 2 |
| 51 | Blower Motor |
| 52 | Starter |
| 53 | Blank |
| 54 | Headlamps |
| Relay | |
| 37 | Monitored (Inadvertent) Load Control |
| 38 | Right Daytime Running Lamp |
| 39 | Hatch/Trunk Release |
| 40 | Left Daytime Running Lamp |
| 41 | Tonneau Release |
| 42 | Courtesy Lamps |
| 43 | Automatic Lamp Control Parking Lamps |
| 44 | Automatic Lamp Control Headlamps |
| 45 | Bose Speakers |
| 46 | Rear Defogger |
Engine Compartment
Assignment of the fuses and relay in the Engine Compartment (2001-2004)
| № | Usage |
|---|---|
| 1 | Rear Fog Lamp |
| 2 | Approach |
| 3 | Right Headlamp Motor |
| 4 | Left Headlamp Motor |
| 5 | Anti-Lock Brakes, Selective Real Time Damping (SRTD) |
| 6 | Fog Lamp |
| 7 | 2001-2002: Selective Real Time Damping (SRTD) Relay 2003-2004: Blank |
| 8 | Headlamp Low Beam Right |
| 9 | Headlamp High Beam Right |
| 10 | Headlamp Low Beam Left |
| 11 | Horn |
| 12 | Headlamp High Beam Left |
| 13 | Fuel Pump |
| 14 | Cooling Fan – Ignition 3 |
| 15 | Oxygen Sensor |
| 16 | Powertrain Control Module |
| 17 | Throttle Control |
| 18 | Injector 2 |
| 19 | Engine Ignition |
| 20 | Blank |
| 21 | Blank |
| 22 | Injector 1 |
| 23 | Powertrain Control Module |
| 24 | Air Conditioning |
| 25 | Blank |
| 26 | Blank |
| 27 | Spare |
| 28 | Spare |
| 29 | Spare |
| 30 | Spare |
| 31 | Spare |
| 32 | Spare |
| 46 | Cooling Fan 2 |
| 47 | Blank |
| 48 | Blank |
| 49 | Cooling Fan 1 |
| 50 | Air Pump |
| 51 | 2001-2002: Blank 2003-2004: Selective Ride Control |
| 52 | Anti-Lock Brakes |
| 53 | 2001-2002: Anti-Lock Brakes, Selective Real Time Damping (SRTD) Electronics 2003-2004: Anti-lock brakes electronics |
| 54 | Fuse Puller |
| Relay | |
| 33 | Air Pump |
| 34 | Air Conditioner and Clutch |
| 35 | Fuel Pump |
| 36 | Horn |
| 37 | Rear Fog Lamp |
| 38 | Back-Up Lamps |
| 39 | Fog Lamp |
| 40 | Blank |
| 41 | 2001-2002: Selective Real Time Damping (SRTD) 2003-2004: Blank |
| 42 | 2001-2002: Ignition 1 2002-2003: Ignition 2 |
| 43 | Cooling Fan 2 |
| 44 | Cooling Fan 3 |
| 45 | Cooling Fan 1 |
Conclusion
For owners and enthusiasts of classic Chevrolet Corvette (C5) 1997-2004, 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.
