Question:
Why is brake lights already lit up when lights are on at nihht and in the day with lights out the brake light work when applied
asked by: Lasalle
Expert Reply:
You have a short between the running light and stop/turn circuits of your trailer wiring (if issue is on trailer, if on vehicle then it's the vehicle wiring with a short). You'd need to go over the wiring of the circuits to see where the short is and fix as needed.
