Just a the pick up wired for 8 wire harness to tow the camping
trailer. About 15 mins from the house the brake warning light came
on. It stayed on for the rest of the trip home. After about 20 mins
I headed off to my parents place, at first the warning light was OFF,
after about 10 mins it came back on. <-- This all happened with the
trailer hitched to the truck.
I dropped the trailer off at my folks place and on the drive home the
warning light never came on once.
Any ideas?? wire from the brake controller? or else where?