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dmussell56's avatar
dmussell56
Explorer
Sep 19, 2022

Both blinkers flash for right and left

On my Flagstaff T12rb when I turn on either the right or left turn signal, both right and left flash. It has a 7 pin connector as does my truck. I tested the truck to make sure that side sends iut the correct signal for right and left and it does.

When I look at the wires coming from the trailer harness there are only six wires running to the trailer. I can see the yellow wire (left turn) was cut off and is not connected to the trailer.

Is there anyway this ever worked without that wire being connected.

BTW, it was this way when I drove it off of the lot in 2021.

If they refuse to fix it under warranty is it as simple as connecting a wire to the yellow and run it back to the left rear light? Not that getting at the back light will be easy.

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