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1999 Dodge Ram 2500

 

Question: Brake lights don't work on truck or trailer.

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Wayman, Diesel, Conyers, GA, March 07, 2009, 07:59
 Rookie

Fuses are good and bulbs are good can't locate problem. HELP!

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  • Answer #1

    Johnny Mopar March 07, 2009, 21:53
     Master

    Check for 12 volts at the fuse. A good fuse means nothing if no voltage is present. Fuse #13 (20A) in the Power Distribution Center powers up the brake lamps switch. Equally important is checking the lamps ground circuits. All else checking out ok, replace the brake lamps switch.

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