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07/09/2023 1:40 pm
Topic starter
scotty i have 1998 chevy taho no spark but when the battery gets low it starts to spark at coil battery full no spark at coil 5.7 Vortech engine i have replace coil cam sensor crack senor and ignition control mod and the ecm computer it will spark when battery gets low but when battery full charge no spark
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08/09/2023 6:07 am
Well, I'd assume you have some kind of computer problem that it acts up with full voltage. But knowing those Chevys, I would check all the ground wiring too. A ground wire fault will often do that and there are ground wires all over the place. Get a wiring diagram and test those first
