7 pin traditional versus SAE
My son and I added a brake controller to his 2011 F150 and backed it up to my TT to test it. My trailer plug does not fit his 7 pin socket. I did some quick research and found that I have the traditio...
Forum Discussion
wnjj wrote:
Sounds like it has a 7-pin round pin connector and this is the adapter you need.
They don't really work though, since the pinouts are different, not just the shapes. Of course... the trailer in question may not have been wired to SAE spec to start with so maybe it would work...
I've built my own previously, to tow RV combinations with a heavy wrecker (which had the SAE 7-way and pinouts). I used a waterproof splice box to house a house a "separate to combination" turn signal brake light adapter, then had to run through a Tekonsha wireless brake controller since the SAE pinouts don't include a brake controller circuit.
