Why do TT brakes work on Tacoma but not F150?
Long story short, I bought a TH to pull with my Tacoma. Everything works fine, but I wanted a bigger truck to pull it. So, got a new F150 and the everything works but the brakes. When I manually activ...
Forum Discussion
eric1514 wrote:
Do all the other functions, i.e. running lights, turn signals, brakes lights all function correctly?
Get a volt meter and verify at the trailer connecter that the Ford is putting out voltage at the correct pin when someone steps on the brake pedal.
Then check to see that that pin corresponds to the pin on the trailer harness that runs to the brakes.
Eric
Yes, everything works except the brakes when connected to the F150.
