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Re: Dreaded Electrical Fault
Posted to HD/Fleet Forum on 8/14/2020 1 Reply

I would suggest performing a pin drag test of the terminals for the TCM connector. If they are OK then back probe Batt+, ign+, gnd, and CAN hi & lo at the TCM. For most cases a DVOM is good enough to diagnose a hard comm fault on a CAN bus. CAN hi should be 2... Login to read more.

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