Re: What Brake Controller will work?
I picked up a Tekonsha P3 new of of ebay for $123 shipped (best price I found anywhere) and just used the wiring pigtail that came with the jeep, spliced to the P3 wiring.
Rather than mount the controller permanently, I just screwed the P3 clip mount to an old Garmin GPS suction mount. The garmin mount is plenty strong enough to keep the controller steady and I can remove the whole thing, wiring and all, when not in use.
I think using the supplied harnesses gave just enough length to be able to reach from the windshield to the factory connector, not sure if the pre-wired harnesses are that long.
The bling wagon: 2014 Grand Cherokee Limited, 5.7, RA4, Lux2, OA2 sporting LTX A/Ts
The mileage slave: 2010 Jetta Sportwagen TDI