Ignition Coil Tester / HEI / 555 Timer
8:24
YouTube0033mer
Ignition Coil Tester / HEI / 555 Timer
This video will describe how to build an ignition coil tester using a 555 timer and a HEI module used in General Motors HEI distributors. This is a very handy piece of test equipment when troubleshooting small single cylinder engine ignition systems. Coil Pack video: https://youtu.be/tyZVSL5F26I
31.7K viewsAug 17, 2021
HEI Coil Testing
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⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in the car. If your engine’s cranking but won’t fire — this is the first thing you should check. ✅ Power ✅ Ground ✅ Coil Negative Switching If it ain’t switching — it ain’t sparking. #IgnitionTrouble #NoSpark #HEIModule #GMTech #CarWontStart #DiagnosticsDoneRight Part 3 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:22
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in the car. If your engine’s cranking but won’t fire — this is the first thing you should check. ✅ Power ✅ Ground ✅ Coil Negative Switching If it ain’t switching — it ain’t sparking. #IgnitionTrouble #NoSpark #HEIModule #GMTech #CarWontStart #DiagnosticsDoneRight Part 3 | My Mobile Mechanic / Auto Repair & Brake Replacement.
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113.9K views8 months ago
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