1968 Chevy C10 Fuse Box Diagram Wiring Schematic

The 1968 Chevy C10 truck is a classic vehicle that has been cherished by many collectors and car enthusiasts. However, as with any vintage vehicle, it requires maintenance and repairs from time to time. One of the most critical aspects of keeping this vehicle running smoothly is ensuring that the electrical system is in top condition. The fuse box diagram and wiring schematic are essential components of the vehicle’s electrical system. In this article, we will provide a comprehensive guide on the 1968 Chevy C10 fuse box diagram and wiring schematic.

Introduction

The 1968 Chevy C10 truck’s electrical system is quite simple, with a fuse box located under the dashboard on the driver’s side. The fuse box contains a set of fuses that are responsible for protecting the electrical components in the vehicle from damage due to electrical surges or overloads.

The wiring schematic, on the other hand, is a pictorial representation of the electrical circuitry of the vehicle. It provides information about the location of wires, the type of wires, the connections between the wires, and the electrical components that are connected to the circuit.

Fuse Box Diagram

The fuse box diagram is a map of the fuse box that shows the location and function of each fuse. It provides information about the circuit that the fuse belongs to, the amperage rating of the fuse, and the electrical component that is protected by the fuse.

The 1968 Chevy C10 truck’s fuse box diagram is relatively simple, with six fuses located in two rows of three. The fuses are arranged in a zigzag pattern, with the first row containing fuses 1, 3, and 5, and the second row containing fuses 2, 4, and 6.

The following table provides a comprehensive list of the fuses, their location, amperage rating, and the component that they protect:

Fuse Number Location Amperage Rating Protected Component
1 Upper Left 25A Windshield Wiper
2 Upper Middle 30A Heater and AC
3 Upper Right 25A Accessory
4 Lower Left 25A Backup Lights
5 Lower Middle 25A Stop Lights
6 Lower Right 10A Instrument Lights

Wiring Schematic

The wiring schematic for the 1968 Chevy C10 truck is relatively simple, with only a few circuits that are responsible for powering the electrical components in the vehicle. The following sections provide an overview of the various circuits and their components:

Instrument Panel Circuit

The instrument panel circuit is responsible for powering the gauges, warning lights, and other components located on the dashboard. It is connected to the fuse box through fuse number 6 and consists of wires that connect the various components to the circuit.

The wiring schematic for the instrument panel circuit is relatively straightforward. It contains wires of different colors, thickness, and connectors that connect various components such as the fuel gauge, oil pressure gauge, and speedometer to the circuit.

Headlight Circuit

The headlight circuit is responsible for powering the headlights and other front lights, such as the parking lights and turn signals. It is connected to the fuse box through fuse number 3 and consists of wires that connect the various components to the circuit.

The wiring schematic for the headlight circuit is relatively straightforward. It contains wires of different colors, thickness, and connectors that connect various components such as the headlight switch, the dimmer switch, and the high beam indicator to the circuit.

Tail Light Circuit

The tail light circuit is responsible for powering the tail lights and other rear lights, such as the brake lights and turn signals. It is connected to the fuse box through fuses number 4 and 5 and consists of wires that connect the various components to the circuit.

The wiring schematic for the tail light circuit is also relatively straightforward. It contains wires of different colors, thickness, and connectors that connect various components such as the light switch, the brake light switch, and the turn signal switch to the circuit.

FAQ

What should I do if a fuse blows out?

If a fuse blows out, you must replace it with a fuse of the same rating. The amperage rating is printed on the top of the fuse. You can also refer to the fuse box diagram for guidance on the location and rating of each fuse.

What should I do if I’m having trouble with the electrical system?

If you’re having trouble with the electrical system, it’s essential to check the wiring schematic and the fuse box diagram to identify the problem. You should also inspect the electrical components for signs of damage, such as frayed wires, loose connections, or burnt-out fuses. If you’re unable to identify and fix the problem yourself, you should consult a qualified mechanic or electrician.

Can I modify the electrical system?

The 1968 Chevy C10 truck’s electrical system is relatively simple, and modifications can be made to enhance its performance or functionality. However, modifications must be made by qualified professionals who have the necessary skills and experience to work with automotive electrical systems. Improper modifications can result in damage to the vehicle or even personal injury.

What are some common issues with the 1968 Chevy C10 truck’s electrical system?

Some common issues with the 1968 Chevy C10 truck’s electrical system include blown fuses, faulty wiring, dead batteries, and malfunctioning components such as the alternator or starter. These issues can be resolved by identifying the problem and replacing or repairing the faulty component.

Where can I find parts for the 1968 Chevy C10 truck’s electrical system?

Parts for the 1968 Chevy C10 truck’s electrical system can be found at automotive parts stores, online retailers, and salvage yards. It’s essential to purchase parts from reputable suppliers who offer high-quality products at reasonable prices.

What should I do if I’m unsure about how to fix an electrical problem?

If you’re unsure about how to fix an electrical problem or lack the necessary skills and experience, it’s essential to consult a qualified mechanic or electrician. Attempting to fix an electrical problem without the proper knowledge or tools can be dangerous and result in further damage to the vehicle.

Conclusion

The 1968 Chevy C10 truck’s electrical system is a critical component of the vehicle that requires maintenance and repairs from time to time. The fuse box diagram and wiring schematic are essential resources that provide information about the location, function, and connectivity of the various electrical components in the vehicle. By following the guidelines provided in this article, you can keep your 1968 Chevy C10 truck’s electrical system in top condition and ensure its longevity for years to come.