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)
64.6K 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 16 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:29
⚡ 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.
28.4K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
⚡ 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.
114.3K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
⚡ 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 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.
4.1K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
⚡ 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 18 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:29
⚡ 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 18 | My Mobile Mechanic / Auto Repair & Brake Replacement.
3K viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
⚡ 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 1 | My Mobile Mechanic / Auto Repair & Brake Replacement.
0:34
⚡ 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 1 | My Mobile Mechanic / Auto Repair & Brake Replacement.
814 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
⚡ 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 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.
482 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
0:30
⚡ 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.
587 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
0:34
⚡ 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 11 | My Mobile Mechanic / Auto Repair & Brake Replacement.
712 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
0:28
⚡ 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 10 | My Mobile Mechanic / Auto Repair & Brake Replacement.
964 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
0:26
⚡ 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.
736 viewsMay 18, 2025
FacebookMy Mobile Mechanic Auto Repair & Brake Replacement.
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