I have a 2001 classic. Trailer brake lights dont work. Trailer is fine as ive hooked up another truck amd ruled out the railer and a 7 pin cable. So wondering if its a relay. The truck lights work. Trailer turn signals work. Any1 know where on the panel the trailer brake light relay is?
Thank you
01 classic brake relay
Discussion in 'Trucks [ Eighteen Wheelers ]' started by classic.n14, Feb 24, 2016.