Posted 8/6/2022 01:12 (#9782682 - in reply to #9782675) Subject: RE: Stock Trailer Brakes
the only way they could be locked on is if power is going to them somehow. Did the power wire from pickup get hooked up to brake controller circuit by some chance? brake should be one of the side blades. the The trailer brakes are just magnets clamping on a drum when powered. credit to diagram from https://www.northtexastrailers.com/fckimages/pages/trailer-wiring-di... . They have others for other plugs too (found on google).