Brake Controller
It's a Canadian thing eh!
Joined: Nov 2010
Posts: 6,539
Likes: 196
From: Ontario, living across a hay field
I believe there is a harness in the lower part of the center of the dash for the brake controller, since the fuse boxes under the hood have the fuse and replay options for them and the wires run to the back of the truck, but that may be only if you had the towing package.