marpel
May 29, 2022Explorer
Trailer Brakes
As per another thread, I have yet to change out the 7 pin cable. Prior to doing so, I decided to confirm whether the old cable is still usable. I hooked up the 7 pin to the truck (which recogniz...
joebedford wrote:
Just to throw a contrarian post into the mix, on my truck 2011 Chev, the pressure sensor on the master cylinder failed and the brake controller (factory) would not activate the trailer brakes in auto or manual. Brilliant design - I had to haul trailer to get repaired without any trailer brakes. SCARY. They had no reason to disable the manual control.