Testing HEI Distributors Part 2: Ignition modules/pick up coil | Big Trucks Low Bucks

⚡ 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 8 | My Mobile Mechanic / Auto Repair & Brake Replacement.

Voici un test facile et rapide pour vérifier si votre module d'allumage HEI est défectueux ou non. 😀 #oldamericanroads #mecanique #test #controle #allumage #module #hei #chevrolet #pontiac #buick | Old American Roads