Forum Discussion

rockwind1's avatar
rockwind1
Explorer II
Oct 07, 2020

trailer brakes failed, any brake experts on here?

my set up 2001 f350 7.3L pulling a 33 ft toyhauler triple axle 2007 attitude fiberglass sides,, probably about 12k empty maybe? not sure. have typical old school 7 pin connect,, 6 surround ...
rockwind1's avatar
rockwind1
Explorer II
Oct 11, 2020
Old-Biscuit wrote:
Sounds like brake controller and/or brake power wire to truck 7 pin is failing/shorting
Throws codes w/o trailer connected

Need to disconnect brake controller and check continuity on the Brake Power Wire from controller plug to the 7 pin on truck
No continuity then that wire is shorted some where on truck



Tekonsha Proportional Brake Controllers


i just made an "update" post, right above this one. any thoughts?

About Fifth Wheel Group

19,027 PostsLatest Activity: Nov 07, 2025