Are you looking for a simple GM HEI distributor wiring diagram? Look no further! This article will guide you through the wiring process and provide you with a diagram that’s easy to understand. Whether you’re doing a new installation or replacing an old distributor, this guide will ensure your HEI distributor is wired correctly.
What is a GM HEI distributor?
Before we dive into the wiring process, let’s take a moment to understand what a GM HEI distributor is. HEI stands for High Energy Ignition, and it was introduced by General Motors in the mid-1970s. The HEI distributor is an electronic ignition system that replaced the older points-style ignition systems. HEI distributors were used on many GM vehicles and are still popular among enthusiasts today due to their reliability and ease of maintenance.
FAQs about GM HEI Distributors
| Question | Answer |
|---|---|
| What vehicles use HEI distributors? | HEI distributors were used on many GM vehicles including Chevy, Pontiac, Oldsmobile, and Buick. |
| What are the benefits of using a HEI distributor? | HEI distributors provide a reliable and consistent spark, have a longer lifespan than points-style ignition systems, and are easy to maintain. |
| Can I install a HEI distributor on a non-GM vehicle? | Yes, there are aftermarket HEI distributors available for non-GM vehicles. |
Wiring Process
The wiring process for a GM HEI distributor is relatively simple. Follow these steps to ensure your distributor is wired correctly:
Step 1: Disconnect the Battery
Before beginning any wiring, be sure to disconnect the battery to prevent any accidental electrical shocks.
Step 2: Remove the Old Distributor
If you’re replacing an old distributor, remove it from the engine block. This typically involves removing the distributor cap, rotor, and bolts that hold the distributor in place.
Step 3: Install the New Distributor
Install the new distributor by aligning the rotor to the number one cylinder on the engine block. Once aligned, insert the distributor into the engine block and secure it in place with the bolts.
Step 4: Connect the Wiring
Connect the wiring to the distributor by following the diagram below:
| Distributor Wire | Connection |
|---|---|
| Red Wire | Connects to the positive terminal of the coil |
| Black Wire | Connects to the negative terminal of the coil |
| Pink Wire | Connects to the ignition switch. This wire provides power to the distributor. |
| Orange Wire | Connects to the tachometer. This wire provides a signal to the tachometer. |
Step 5: Reconnect the Battery
Once the wiring is complete, reconnect the battery.
Conclusion
The GM HEI distributor is a reliable and easy-to-maintain ignition system that’s popular among enthusiasts. This simple wiring diagram will ensure your HEI distributor is wired correctly and will provide you with years of trouble-free performance.
