Originally Posted by Snapp
I have a 2007 Bounder on a workhorse chassis. There are 3 connectors under the dash which I have identified one to be the OBD 11, what are the other two connectors for?
I believe the round one is for the "special" reader for the ABS system. I KNOW the trapezoid-shaped one is the OBD II port, and have no idea what your "third" one might be.