Chevy 350 HEI Distributor Wiring Diagram

Are you having trouble with your Chevy 350 HEI distributor wiring? Well, you’re in the right place! This article is designed to provide you with all the information you need to successfully wire your Chevy 350 HEI distributor. We’ll cover everything from the parts you’ll need to the step-by-step process of wiring your distributor. So, let’s get started!

Parts You’ll Need

Before you begin wiring your Chevy 350 HEI distributor, it’s important to make sure you have all the necessary parts. Here are the parts you’ll need:

Part Description
Distributor The HEI distributor itself
Coil The ignition coil
Pigtail A wiring harness that connects the distributor to the coil
Spark Plug Wires The wires that connect the distributor to the spark plugs
Tools A set of basic tools, including a screwdriver and pliers

Wiring Your Chevy 350 HEI Distributor

Now that you have all your parts, it’s time to start wiring your Chevy 350 HEI distributor. Here are the steps:

Step 1: Disconnect the Battery

The first step in any wiring project is to disconnect the battery. This will prevent any accidental electrical shocks and damage to your vehicle’s electrical system.

Step 2: Remove the Old Distributor

Remove the old distributor from your Chevy 350 engine. This will involve disconnecting the wiring and removing the distributor cap.

Step 3: Install the HEI Distributor

Install the HEI distributor into your Chevy 350 engine. This involves aligning the rotor and the distributor shaft and securing the distributor into place.

Step 4: Connect the Wiring

Connect the wiring from the distributor to the coil using the pigtail. This will involve connecting the red wire to the positive terminal of the coil and the black wire to the negative terminal.

Step 5: Connect the Spark Plug Wires

Connect the spark plug wires to the distributor cap in the correct firing order. The firing order for a Chevy 350 engine is 1-8-4-3-6-5-7-2.

Frequently Asked Questions

What is a HEI Distributor?

A HEI distributor is a high-energy ignition distributor that was first introduced by General Motors in 1974. It is known for its reliability and its ability to produce a strong spark.

What is the Firing Order for a Chevy 350 Engine?

The firing order for a Chevy 350 engine is 1-8-4-3-6-5-7-2.

What Does a Pigtail Do?

A pigtail is a wiring harness that connects the distributor to the coil. It is designed to make the wiring process easier and more efficient.

What Tools Will I Need to Wire My Chevy 350 HEI Distributor?

You will need a set of basic tools, including a screwdriver and pliers. You may also need a wrench to remove the old distributor.

Can I Install a HEI Distributor on any Chevy 350 Engine?

Yes, you can install a HEI distributor on any Chevy 350 engine. However, you may need to make some modifications to your engine in order to accommodate the distributor.

And there you have it! By following these steps and using the right parts, you can successfully wire your Chevy 350 HEI distributor. Good luck!