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Re: OBDII Automotive vs Heavy Duty
Posted to Technical Theory Forum on 3/1/2021 1 Reply

Mike, very interesting. My question was vague I admit. I have been on the HD side for 40 plus years. 1587/1708, J1939 250 and 500k round 6 (older J1708 only) and 9 pin Deutsch connectors I am familiar with. Both the black and now the green on the 9 pin. In th... Login to read more.

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