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Somerville, Indiana | Our semis have come in both ways. Trailers too. Maybe the original turn signal didn't have a wire for the brake light? Only thing is, you will need two more lights on the rear of trailer if you wire direct to brake switch, but most of ours had four to begin with. Four LED lights in the rear with all wired to the brake and turn signal will get the attention of most idiots who aren't paying attention. One light on each side still blinks as turn signal. | |
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