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Re: 2004 chevy workhorse ecm reprogramming
Posted to HD/Fleet Forum on 11/30/2012 3 Replies

Hi Michael,

I tried unplugging every module on the vehicle, including the instrument cluster. The ECM still won't program. I thought about programming on the bench. We have the Kent Moore J45211 Off Board adapter but one of the 2 connectors wont "plug up" to... Login to read more.

3 Replies Received (View Replies)