Here is the basic wiring for most of all of them. you can find all the writeups on etrailer and other sites.

Most modern suv types have the harness already wired for easy installation and for their add on stuff from factory/dealer.
Attachments
BasicTrailerBrake Controller.jpg (19.64 KB, 105 downloads)
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Last edited by hcb3200; 05/14/2024 3:49 PM.