How to Test a GM 4-Pin HEI Ignition Module (Bench & In-Car)
In this video, I show you exactly how to test a 4-pin HEI ignition module — both on the bench and while it’s still installed in the car.
Is there a way to test an HEI module? | The H.A.M.B.
Jun 10, 2012 · An HEI is pretty self-contained. If it's got power and the car cranks, proving both battery power and ground, and it still has no spark, it's either the coil, pickup or module.
How To Test Hei Ignition Control Module With Multimeter ...
Jun 23, 2025 · Replacing an HEI module without proper testing can lead to wasted money and continued frustration. This guide provides a comprehensive approach to testing your HEI …
HEI, how to test for spark... or test module... - Team Chevelle
Dec 28, 2015 · The test light should be rapidly flashing representing the module is switching properly. This simple test will not tell you if the module is on it's way out, but will tell you …
How to Test an Ignition Control Module with a Multimeter: 6 ...
Mar 27, 2025 · In order to ensure your automotive car runs smoothly, you should know how to test ignition control module with multimeter. For checking ignition control modules, use the correct …
How to Test Ignition Control Modules with a Multimeter (Guide)
May 31, 2023 · This article shows how to test a vehicle’s Ignition Control Module with a multimeter. The ICM plays a central role in controlling a vehicle’s ignition system to start the …
How to test 4 pin HEI ignition Module - CorvetteForum
May 3, 2023 · Testing the pole winding is simple with a ohm meter. If that checks good. Most times it does but a broken wire does happen. After that substitute your spare. If you don't have …