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Re: Unusual IPR values, hard start hot
Posted to HD/Fleet Forum on 6/7/2019 1 Reply

It sounds like the ECM is not pulsing the ground side of the IPR. If you have a lab scope you could do a voltage trace of the ground side and you will know for sure. I'll bet it's the ECM. Unless there is a bad ground to the ECM. The ECM can't provide a ground... Login to read more.

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