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Re: 2014 Freightliner M2 business class with a 8.0L GM propane e
Posted to HD/Fleet Forum on 1/30/2015 1 Reply

I have had one FCCC with the 6.0L gas engine. Go to "[...]" > support

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You will likely have to use the adapter harness, it allows simultaneous communication of the J1939 data link and GM CAN.

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