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International Automotive Technicians Network
Re: Need Good Waveform For Caddy
Posted to Technical Discussion Forum on 5/10/2017 1 Reply

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[2001 Cadillac DeVille, ECM/Inputs/Outputs Waveform]

CH A is the bad ckp A

CH B is the good ckp B and the ckp voltages of 13.45v are dropping because the engine is stalling

CH C cmp, is used fo... Login to read more.

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