![electrical - Does a brake controller need direct battery connection, or would a switched source work? - Motor Vehicle Maintenance & Repair Stack Exchange electrical - Does a brake controller need direct battery connection, or would a switched source work? - Motor Vehicle Maintenance & Repair Stack Exchange](https://i.stack.imgur.com/EhcV3.jpg)
electrical - Does a brake controller need direct battery connection, or would a switched source work? - Motor Vehicle Maintenance & Repair Stack Exchange
![Trailer Brake Controller wiring question - after plugging in brake controller into the harness the brake light lights up, kinda if like red wire (brake pedal signal) getting shorted with black (battery Trailer Brake Controller wiring question - after plugging in brake controller into the harness the brake light lights up, kinda if like red wire (brake pedal signal) getting shorted with black (battery](https://i.redd.it/3v6wd41z744c1.jpg)
Trailer Brake Controller wiring question - after plugging in brake controller into the harness the brake light lights up, kinda if like red wire (brake pedal signal) getting shorted with black (battery
![TEKONSHA | 3023-P | Trailer Brake Controller Custom Harness, Vehicle & Brake Control Ends, Compatible with RAM 1500, 2500, 3500 TEKONSHA | 3023-P | Trailer Brake Controller Custom Harness, Vehicle & Brake Control Ends, Compatible with RAM 1500, 2500, 3500](https://www.tekonsha.com/product-assets/photos/500/3023-P.png)
TEKONSHA | 3023-P | Trailer Brake Controller Custom Harness, Vehicle & Brake Control Ends, Compatible with RAM 1500, 2500, 3500
![2005 Hemi Dodge Durango Trailer Brake Controller Install | R and P Carriages | Trailer Sales & Rentals in Chicago 2005 Hemi Dodge Durango Trailer Brake Controller Install | R and P Carriages | Trailer Sales & Rentals in Chicago](https://dealer-cdn.com/media/randp/randp-brake-40.jpg)
2005 Hemi Dodge Durango Trailer Brake Controller Install | R and P Carriages | Trailer Sales & Rentals in Chicago
![What Circuit Breakers Are Required for Electric Trailer Brake Controller Installation | etrailer.com What Circuit Breakers Are Required for Electric Trailer Brake Controller Installation | etrailer.com](https://images.etrailer.com/static/images/pics/q/u/qu601811_250.jpg)