I need to install an electric trailer brake controller on a 2013 IH Workstar. I have looked at the fuse/relay panel for the trailer stop relay or wiring for it and this truck doesn't have any of it. So now I'm at all loss as to where to tap into too get a brake signal for my brake controller.
Intall Electric brake controller on 2013 IH Workstar
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by BigIronFarms, Sep 27, 2021.