J1939 Type 2 Female to OBD2 Female Adapter If you decide later that

If you decide later that you want the ability to do tuning as well

If you are unsure if your vehicle need the 10k resistor

In all other respects it is identical to the regular ALDL cable

J1939 Signal J1708 A Ground E B Battery C F J1708+ A G J1708- B

J1939 Type 2 Female to OBD2 Female Adapter If you decide later thatStarting in 2016 All heavy equipment vehicles are equipped with the new high speed J1939 Type 2 system. This system has Green colored connectors instead of the standard black Type 1. A type 1 connector cannot plug into a type 2, but the type 2 can plug into both. The Green connector is available with a locking ring and without a locking ring. Rotating the locking ring when connected assures that the connector cannot come unplugged accidentally. The