TOYOTA FJ CRUISER TRAILER WIRING HARNESS INSTALLATION

How to Install a Brake Controller on Chevrolet / GMC 1999 - e trailer
A: If the vehicle is already set-up with a flat 4-pole trailer connector, then plug it into the 4-pole on the back of the 6- or 7-way adapter that comes with the installation kit. The white wire (ground) coming out of the back of the adapter needs to be attached to a substantial grounding point on the frame. After mounting the new 7-way or 6-way connector, installation would be complete.
Toyota 4Runner Complete Suspension Systems and Lift Kits - 4 Wheel Parts
10-14 Toyota FJ Cruiser / 10-Current 4Runner; Includes: Extended travel 2.5 V.S. series coilover front shocks; Billet delta joint upper control arms; Billet rear lower trailing arms; 2 inch lift rear coil springs; Rear 2.0 V.S. series shocks; We recommend the use of our #56100 shock shin guards to reduce the chance of shock shaft damage.