Use brake controller to power backup camera?
I just installed a wireless backup camera on my camper (Garmin BC30). To avoid running extra wires between the truck and camper I just tied into the backup light wire of the 7-pin umbilical. Of cours...
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You could hook it up to the running light wire in the trailer connector. Then just turn on your parking lights when you want to use the camera. I don't know if the backup camera is a problem being on at night for you. Also, I guess you could hook up to both the backup and running light circuits and use diodes to isolate each from back-feeding. Then either will run the camera for you.
