subdev
Sep 10, 2016Explorer
Brake Controller wires on F53
I have a '08 Hurricane 34B with a factory 4-pin tow package. I am upgrading to a 7-blade plug and am installing a Prodigy controller. Found the harness plug under the dash for the controller after a lot of searching! Underneath the chassis, just rear of the driver's seat, are two exposed wires strapped to a larger harness. One white and one blue. Both are terminated with butt connectors. I presume that the blue wire is the brake control wire, but I'm not sure if the white wire is ground or 12V power? Why would there need to be a ground wire there...what is it grounding, since my new 7-blade plug has it's own ground wire at the back bumper. If this white wire is a ground, does that mean I have to run a separate power wire from the back plug all the way back up to the battery? Thanks for any help.