Trailer brake wiring - Chevy Colorado & GMC Canyon Jul 25, 2018I'll be able to use the trailer on any vehicle with a 7 pin connector. The hand held control is only in use when the trailer is connected. No hard wiring or control mounting in the cab. Here is what I ordered yesterday. Teknosha Controller And any friend with a 7 pin can borrow the trailer and have brakes. Gonna give it a try. Chevrolet Colorado Trailer Wiring | etrailer Guaranteed fit Chevrolet Colorado Trailer Wiring. Lowest price guaranteed. Thousands of customer trailer wiring reviews, expert tips and recommendation. Lowest price guaranteed, easy online ordering at etrailer or call 800-298-8924.