LED Replacement Tail Lights for Westbar #102641
Published 09/02/2016
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Question:
I have a 1999 Calkins Trailer. Both driver and passenger taillights arent working. Im looking to replace both lights and go with an LED assembly. Currently the part number is 102641. Can you please provide the upgraded LED Version of that light Ill need the part numbers for both the drivers and passenger sides.
asked by: Jason L
Expert Reply:
Are you sure the problem is the bulbs and not a bad ground or wiring? It's pretty rare for taillight bulbs to both quit working at the same time.
But before we get into troubleshooting the LED versions of the lights you have are part # STL14RB for the passenger side and part # STL15RB for the driver side.
First thing you should do at this point is test the 4-way of the wiring harness with a circuit tester part # PTW2993 for voltage on all of the right pins when the taillight signals are being applied. Just like in the video I attached.
If the voltage checks out there but the trailer lights still don't function right then the problem is on the trailer wiring. That would mean that problem is either due to a ground issue or a short issue.
Make sure that the trailer side connector are clean and free of corrosion inside and out. The main connector grounds should be attached to clean and corrosion free bare metal surfaces. The light grounds should also be attached to clean and corrosion free bare metal surfaces. If there is anything between a light ground and the metal trailer frame or if the trailer has an aluminum frame, tilt bed, or folding tongue, any of these things can interrupt the ground. Running jumper wires from the light grounds to the main trailer connector ground can help.
If the problem is on the vehicle side then I would first recommend you double check how the harness is installed on your vehicle, make sure all of the connections are good and tight. You should check all towing related fuses and relays as well.
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