Today we are going to be installing the Prodigy, part number 90185, on a 2004 Chevrolet Suburban. We also are going to using the Prodigy adapter for the Suburban, part number 3015-P. The first thing we want to do is to locate the port that the brake control plug is going to plug into. As you can see, we are in the drivers side cab area, underneath the steering column. It will be located on the top… see more >