Boat trailer running lights not working?

I have an issue with my boat trailer lights. The brake lights and turn signal lights work but none of the running lights. The bulbs appear to be good so I don’t think that’s the issue. I did find one white wire that isn’t connected to anything on the back of one of the rear lights but can’t figure out where it may go. Also, when I took the lense off of the light where the loose white wire is, water poured out…. Any suggestions?

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One Response to “Boat trailer running lights not working?”

  1. councilmanward1 Says:

    White must be the ground. water will short anything out to ground.

    Brown is tail , yellow is left, and green is right. and white or black is ground. Are you getting power to the running lights to the connector? Past the connector? Do you have a Good ground?

    Your going to have to trace it back with a test light or probe.

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