Question about 1997 GMC Jimmy

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I wired my trailer with new parts and the lights stay on but the braking and the turn signals won't work.

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  • john milligan Mar 31, 2011

    make sure that you have the adapter for a 7wire to 4wire hook-up if the car has separate turn signal and stop lights (one red lens/ one yellow lens on the back for each side)

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On your wireing pig tail do you have one wire going to your brake lites and one tail lites, Then the ground Make sure you have fourway bulbs in your trailer. Good luck to you.

Posted on Mar 31, 2011

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