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Re: 2001 Mack MR-Series Electrical Power Issue
Posted to HD/Fleet Forum on 9/26/2013 3 Replies

I'll check that but even if I did not have power/grounds to the TCM then the blower motor/wipers would still function (its getting power from 70 amp mains)

No components that depends on the VECU to close the 70 amp relays work because no relays are closing. ... Login to read more.

3 Replies Received (View Replies)