ITBC
Ok now I have a problem with my Integrated brake controller, worked for a while now I get nothing on the dic when I hook up my trailer and I have taken my truck to the dealer and they say nothing wron...
Forum Discussion
OK, the quote above is from my post. Ran into that problem when our interface box failed (installed infront of our Hydraulic pump for the disc brakes to make GMs think they are connected to Electric Drum brakes).
Using an Ohm meter, measure the resistance on the trailer pig tail between the brake term and the ground term. This resistance needs to be approx 3 ohms for the GM computer to acknowledge that a trailer is connected.
Using an Ohm meter, measure the resistance on the trailer pig tail between the brake term and the ground term. This resistance needs to be approx 3 ohms for the GM computer to acknowledge that a trailer is connected.
