What Size Wire For Trailer Brake Controller

If you're towing a trailer with brakes you have to have a brake controller installed on your vehicle to activate your bakes. So here's my 1975 Chevy K20 and I'm wiring in a prodigy brake controller and there aren't any videos on YouTube so I figured I'd Automatic captions. This is a basic wiring diagram for a seven pin trailer configuration.

Doing trailer brakes on this trailer this beautiful trailer we just put in this plug we got this wire left goes to here this will be our trailer Automatic captions. Bumper-to-bumper overview of the brake controller setup on my truck This is largely based on Eric the Car Guy's installation. How Electric Trailer Brakes Work.

I needed to install a trailer brake controller and wire in a 7 way connector to haul a car trailer with my truck a 1990 C1500 In this Blue wire this black fire because that is the wire for the trailer brakes or brake controller I should say For me Well that's that I'm Automatic captions. GM Chevy Trailer Brake Controller Install How to put a trailer brake controller in a 1999 2007 GMC Chevrolet Cadillac Truck.