Why are some of my rear trailer lights on, although very dimly?
My trailer is currently on shore power and not connected to my vehicle.
The two pictures are trying to show which tail lights are dim but on.
I have not seen this before and curious if someone can explain what is happening.
When the towing electrical harness is connected all is normal. Turn signal, running lights, brakes lights, and completely turned off works as expected.
I have experimented various configurations of AC off and my battery disconnect switch in "use" and "store". None of these changes impacted the lights that are on.
My pictures are both of the right rear quadrant but it is the same on the left side but mirrored.
Some additional background. I got a lot of rain last night. Last week my trailer was in the shop for warranty work on my smaller air conditioner and I was told that several electrical diagnostics test were done. While I suspect an electrical short of some type from the rain I don't want eliminate any possibilities until I can eliminate it with confidence.
Does anyone know what is going on or has suggestions on diagnostics?
Thanks in advance for the responses!
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