Only the center pin on the 7-pin is involved in disabling the brake actuator for backing. Blue wire. Ground for the solenoid comes via the frame. The 12VDC line is not normally used on boat trailers.
Type: Posts; User: CatFan
Only the center pin on the 7-pin is involved in disabling the brake actuator for backing. Blue wire. Ground for the solenoid comes via the frame. The 12VDC line is not normally used on boat trailers.
I’d put my money on a blown fuse in your truck.
