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Re: Workhorse W42 Transmission
Posted to HD/Fleet Forum on 5/7/2020

Tug all the wires at the trans connectors to make sure there is not a broken wire being held by only the insulation. This is a wiring issue. Five transmissions? Wow, shotgun diagnostics are not working.

Has tranny cooler been verified good? A blocked cooler ... Login to read more.