under the dash will be a small bundle of wires marked for trailer brakes. I have more information and a photo of where it is located at work. PM me your email address and I can send you a copy.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7