How to Test a GM 4-Pin HEI Ignition Module (Bench & In-Car)
9:04
How to Test a GM 4-Pin HEI Ignition Module (Bench & In-Car)
46.4K viewsMay 18, 2025
YouTubeMy Mobile Mechanic 978
⚡ 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 th…
114.1K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
⚡ 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 16 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:29
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
28.3K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
⚡ 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 14 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:21
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
4.1K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
⚡ 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 19 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:34
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
1.2K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
⚡ 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 12 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:30
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
583 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
⚡ 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 9 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:33
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
483 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
0:28
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
960 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
0:29
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
644 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
0:29
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
1.7K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
0:24
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
563 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
0:29
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
746 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
0:26
⚡ TESTING GM 4-Pin HEI Ignition Module, both on the bench and in th…
724 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Repla…
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