12 Volt Wiring Diagram for 1956 Chevy

If you’re restoring a classic 1956 Chevy, one of the most important aspects to consider is the wiring. The wiring in your car is like its central nervous system – it powers everything from the headlights to the ignition system. In this article, we’ll take a look at the 12-volt wiring diagram for a 1956 Chevy, so you can get your car up and running smoothly.

Why Go 12 Volt?

The original 1956 Chevy wiring diagram calls for a six-volt system, but many restorers choose to upgrade to a 12-volt system instead. Why? There are several reasons:

  • Better performance: A 12-volt system provides better starting power and improved electrical performance overall.
  • More modern: A 12-volt system is more in line with modern cars, making it easier to source parts if needed.
  • More reliable: Upgrading to a 12-volt system can improve the reliability of your car’s electrical system, reducing the risk of breakdowns.

The Wiring Diagram

To convert a 1956 Chevy from a six-volt system to a 12-volt system, you’ll need to follow a specific wiring diagram. Here’s what you’ll need:

Item Quantity
12-volt battery 1
12-volt alternator 1
12-volt voltage regulator 1
12-volt coil 1
12-volt ignition switch 1
12-volt starter solenoid 1
12-volt headlights (optional) 2

Follow this diagram to wire your 1956 Chevy for a 12-volt system:

Step 1: Disconnect the Battery

Before you begin wiring your car, disconnect the battery to prevent any accidents or short circuits.

Step 2: Install the Alternator

Remove the original generator and install the 12-volt alternator in its place. Make sure to follow the manufacturer’s instructions for proper installation.

Step 3: Install the Voltage Regulator

Install the 12-volt voltage regulator according to the manufacturer’s instructions. The voltage regulator ensures that the battery is charged at the correct voltage level.

Step 4: Install the Coil

Remove the original six-volt coil and install the 12-volt coil in its place. Follow the manufacturer’s instructions for proper installation.

Step 5: Install the Ignition Switch

Remove the original six-volt ignition switch and install the 12-volt ignition switch in its place. Follow the manufacturer’s instructions for proper installation.

Step 6: Install the Starter Solenoid

Remove the original six-volt starter solenoid and install the 12-volt starter solenoid in its place. Follow the manufacturer’s instructions for proper installation.

Step 7: Install the Headlights (Optional)

If you want to upgrade your headlights to 12-volt, remove the original six-volt headlights and install the 12-volt headlights in their place. Follow the manufacturer’s instructions for proper installation.

FAQ

Why upgrade to a 12-volt system?

A 12-volt system provides better performance, is more modern, and is more reliable than a six-volt system.

What do I need to convert my 1956 Chevy to a 12-volt system?

You’ll need a 12-volt battery, alternator, voltage regulator, coil, ignition switch, starter solenoid, and optionally, 12-volt headlights.

Can I use the original wiring?

In most cases, the original wiring can be used with some modifications. However, it’s recommended to replace the wiring for improved reliability.

Are there any downsides to upgrading to a 12-volt system?

The main downside is the cost – upgrading to a 12-volt system can be expensive. Additionally, some purists prefer to keep their classic cars as original as possible.

Do I need to upgrade anything else?

You may need to upgrade other components, such as the starter motor or the distributor, depending on your specific car and the type of driving you’ll be doing.

Can I install a 12-volt system myself?

While it’s possible to install a 12-volt system yourself, it’s recommended to have a professional do the installation to ensure proper wiring and safety.

By following this 12-volt wiring diagram for a 1956 Chevy, you can upgrade your car’s electrical system and enjoy improved performance and reliability. Whether you’re a seasoned mechanic or a novice restorer, with a little patience and attention to detail, you can get your car up and running smoothly in no time.