Wiring Diagram Ideas

How To Wire A Hei Distributor: Step-By-Step Instructions

Chevrolet Hei Distributor Wiring Diagram Hastalavista Hei
Chevrolet Hei Distributor Wiring Diagram Hastalavista Hei from 2020cadillac.com

For any car enthusiast, getting the most out of their engine is a top priority. One way to do this is to upgrade to a HEI (High Energy Ignition) distributor. This is a great way to increase the performance and efficiency of your engine, as well as add a bit of style to your engine bay. However, before you can start enjoying the benefits of a HEI distributor, you need to wire it up. Wiring a HEI distributor isn’t difficult, but it does require some knowledge of automotive wiring, as well as a little bit of patience. In this article, we’ll explain the basics of wiring a HEI distributor and provide step-by-step instructions to help make the process easier.

What Is a HEI Distributor?

Before we dive into the details of wiring a HEI distributor, it’s important to understand what it is and how it works. A HEI distributor, or High Energy Ignition distributor, is a type of ignition system found in many modern vehicles. It is designed to improve the performance and efficiency of your engine by providing a more efficient spark at the spark plug. It also helps to reduce emissions by providing a more efficient and complete combustion of the air/fuel mixture.

The HEI distributor is made up of two main components: the distributor cap and the ignition module. The distributor cap is responsible for routing the spark from the ignition module to the spark plugs in the correct order. The ignition module contains the electronics necessary to generate the high-energy spark needed for efficient combustion. This includes the ignition coil, a capacitor, and a control module.

What You’ll Need to Wire a HEI Distributor

Now that you know a bit more about what a HEI distributor is and how it works, let’s look at what you’ll need to wire it up. First and foremost, you’ll need a wiring harness specifically designed for a HEI distributor. This harness should have two main components: a power cable and a ground cable. The power cable is responsible for connecting the ignition module to the battery, while the ground cable is responsible for connecting the distributor cap to the engine’s ground. You’ll also need a screwdriver, pliers, and a few other tools to complete the wiring.

Step-by-Step Instructions for Wiring a HEI Distributor

Now that you have all the necessary components, you can begin wiring the HEI distributor. The following step-by-step instructions will help you do this:

Step 1: Install the Ignition Module

The first step is to install the ignition module. This is usually done by mounting the module to the engine’s firewall or valve cover. Once the module is mounted, you can connect the power cable to the module and the battery. Make sure to tighten all the connections with pliers to ensure a secure connection.

Step 2: Install the Distributor Cap

The next step is to install the distributor cap. This is usually done by mounting the cap to the engine block. Once it’s in place, you can connect the ground cable to the cap and the engine’s ground. Make sure to tighten the connections with pliers to ensure a secure connection.

Step 3: Connect the Spark Plug Wires

The third step is to connect the spark plug wires. This is done by connecting the wires from the distributor cap to the spark plugs in the correct order. Make sure to refer to the wiring diagram for the correct order. Once the wires are connected, you can tighten the connections with pliers to ensure a secure connection.

Step 4: Test the Connection

The final step is to test the connection. This is done by turning on the ignition and starting the engine. If the engine starts without any problems, then the wiring has been completed successfully. If the engine does not start, then you should check the connections to make sure they are secure.

Conclusion

Now that you know how to wire a HEI distributor, you can start enjoying the benefits of a more efficient and powerful ignition system. Wiring a HEI distributor isn’t difficult, but it does require some knowledge of automotive wiring and a bit of patience. Follow the instructions above and you’ll have your HEI distributor wired up in no time. Good luck!