Trailer lights
So just got a new trailer and just noticed that when it's plugged into the truck the tail lights and the rear most marker lights are not working, the ones near the bottom and top of the trailer. The ...
Forum Discussion
ESDA wrote:
The break lights and turn signals all seem to work.
Run a temporary ground to the light fixture. If the light works, it is the ground. If it still does not work, you have a break in the hot wire.
If this test shows it is not the ground, start at the last working marker light. Check behind it to see if the hot wire continues on and the connection is good. Go to the first non-functioning marker light and do the same. The problem is between those two
