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Re: 542 bobcat o spark
Posted to HD/Fleet Forum on 11/11/2016 1 Reply

[wiring] [[...]]

OK the diagram clarifies all. The coil pack has TWO independent coils, joined only at Ign+ (Circuit 16C), which fire plugs 1/4 and 2/3 in a waste-spark system. Your failed module (labelled as ECU somewhere I think) controls only spark as the... Login to read more.

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