when my lights are off the brake lights turn on,but when i turn my park or headlights on my brake lights dont turn on when i press on the brakes bought new tail light harness need to no how to install them on a van conversion.hope this solve the brake light issues.
how do i change the wiring harness in my 2002 chevy express van conversion on 2002 Chevrolet Express 1500
by felt68 in Modesto, CA on September 11, 2013
ANSWER by pushrod on September 11, 2013
Problem is the ground circuit in the bulb sockets! Replace them.