So check the lights.
Rv tail lights not working.
What to do if some of your rv 12v lights stop working one of our rv 12v light fixtures stopped working the other day and we were unsure if it was the fixtur.
Could i have messed up the harness.
Make sure that each of tail lights is properly grounded.
Remove the cable between the truck and the trailer and make sure that the connections are clean and tight.
A more common case scenario presupposes ground to be provided through the bolts of the tail light assembly.
My blinkers work and brake lights.
The common causes the tail lights do not work are.
Ground is achieved in one of two ways.
I have a 2006 tifften allegro bay and all the lights work from there swiches but not the swich as you enter the rv.
As the rear lights are not connected they do not illuminate.
We ordered from etrailer a low profile rv combination tail light drivers side led w black base and got it installed but the same problem is occurring no running lights.
The right side light does not work no brake light or turn signal.
In the first case separate wires come out of each tail light assembly and are attached to a metal frame.
I checked the truck for any blown fuses and nothing.
I checked the trailer connection at the truck and my running lights are not working.
Tested the swich and the swich is good i have a black wire and a yellow wire.
Test all of the lights from the backup lights to the turn signals and brake lights to ensure the problem is not the tow vehicle itself.
The causes why tail lights not working.
Replacement tail lights for motor homes campers travel trailers or 5th wheels.
Trailer tail lights not working.
At that time we noticed the running lights werent working but the brake lights and turn signals were.
We have changed the bulb but still nothing.
If the bulbs are not the problem disconnect the trailer s wiring system from the tow vehicle.
It is possible that one of the bulbs on your trailer burned out.
Blow fuse the first thing the mechanics check is the fuse corresponding to the rear lights.
On the last light i let the positive touch the trailer and i heard a sizzling noise and ban my running lights stopped working.
Don bobbitt author from ruskin florida on july 22 2020.