Trailer Light Wiring Problems. Remember, pulling a trailer is never something to take lightly. Rewiring a trailer involves removing the old wiring and trailer lights, routing the new wiring harness through the trailer frame, installing new trailer lights and How do I fix my trailer lights not working?
So here I have an older trailer which needed some work, along with re-wiring the lights. Video tutorial on how to wire trailer lights. This fully protects the car from any shorts or overloads.
Stuff I have done prior to this post.
I will post pics when I get this thing figured out.
Many people have had this problem (including me). Yellow - left turn Green - right turn Brown - parking lights White - ground. I agree on the grounding problem.