While putting in new plugs got a electrical spark/discharge. - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

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Old 01-21-2008, 01:43 PM   #1
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Default While putting in new plugs got a electrical spark/discharge.

Was down to the last plug #5 and the wratchet touched the metal shroud covering the electrical fan. Wratchet was on plug and I got sparks flying. Never ever have I had anything happen to me like this before when changing plugs. Changed dozen of sets in my life. I'm crossing my fingers it was just a discharge to ground. I'm fumin mad right now.......

Lesson learned, disconnect battery when changing plugs.
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Old 01-21-2008, 10:11 PM   #2
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Kinda scares the crap out of you huh!!? Ive done it a few times doing oil changes on cars with the filter next to the starter. The oil filter wrench barely touches the hot on the starter and its fricken 4th of july under there!!!
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Old 01-22-2008, 11:24 AM   #3
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Default plug

Friend of mine didn't unhook the battery and after changing his plugs got multiple PCM fault codes. fried something.
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