1. When do I need a tail light converter (V5410) for my car and trailer?
When your car lighting system has a separate turn-signal lamp from the brake
and tail light. The V5410 is an electronic trunk connector which converts vehicle
lighting systems with separate turn signals to the conventional trailer lighting
2. Do you have any tips for installing a replacement set of tail lights on
Before purchasing replacement lights, clean the mounting bolts on the existing
lights with a wire brush. Many lights ground through the mounting hardware and
an improper or bad ground is the primary cause for lights not working.
3. I have trouble running the new trailer harness through my enclosed
frame. Any tips for this installation?
Cut the trailer plug from the old harness and tie the end of the new harness
to the old. Then carefully pull the old harness out the rear of the trailer.
4. I am replacing the car-side plug on my wire harness. Which
plug is car-side?
Car-side plug has its pins protected or shrouded.
5. How do I know which wires go where when replacing my wire harness?
The directions are clear. Peterson follows standard wiring guidelines. Brown
is tail, green and yellow are turn, etc.
6. What is the difference between a waterproof and submersible light?
Submersible lights use the bell-jar concept. This allows a small amount of
water inside the housing. The resulting air pressure inside the cavity prevents
any additional water from reaching the area where the contacts and sockets are
located. Waterproof is usually associated with a completely sealed light. Competitors
often claim their light is waterproof, but in actuality, their light also uses
the bell-jar concept.
7. How do I choose trailer lights for my personal watercraft and boat
trailers which meet DOT standards?
You would measure across the widest width of the trailer. If the measurement
is 80 or above, you must purchase a light kit that is approved for over 80 trailers.
If the trailer measures less than 80, you can use any other light kit which
8. Do you have any tips for launching your boat when using non-submersible
Be sure to unplug wire harness and let lights cool down. Use lithium grease
in the socket to reduce the corrosion that water can cause.
9. Do you have any other tips for extending trailer light life?
1) After removing trailer from launching ramp, wash down the inside and outside
of your trailer lights to prevent corrosion of the socket.
2) Silicone spray the mounting areas around the bulb to prevent corrosion.
3) Buy trailer lights with extended life bulbs. Most Peterson lights come
with 15,000 hour bulbs, which can be identified by their distinctive green base.
This page is still in progress. Check back for more tips and answers to frequently asked questions.