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Re: used trans install
Posted to Transmission Forum on 4/23/2020 4 Replies

Tcm should be external, part of the pcm verify that in si or look at the pcm under the hood and see if it uses all 3 plugs. If it uses all 3 plugs the tcm is built in to the pcm if you have a blank plug on the pcm then the tcm is in the trans. If the tcm is bu... Login to read more.

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