Question about 2008 Dodge Ram Pickup 1500

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02 RAM 2500 no power at trailer plug

I have a 2002 dodge ram 2500 . I tested the trailer plug on the truck with a test light and every thing is working normally except for the running lights. I never get power from this pin on the connector. Is there a fuse or relay that could be messed up. It also has a brake box in the cab but running lights shouldn't go through this right? It may have shorted to ground because the wires were ripped out of the plug while lights were on(turning to sharp on gooseneck). Any wiring diagrams or help to where the fuse might be would be appreciated.

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  • jbooven May 09, 2009

    No none of the marker lights work either, only brake and turn work on both sides

  • jbooven May 09, 2009

    and yes all lights work correctly on the truck

  • Thomas F. Schneider May 11, 2010

    If the tail/parking, or running lights, work on the truck then the problem is in the wiring leading to the plug, as the fuse is working. I don't know about your break box. I dougt it goes through there sice the light have to work w/o the brake on lightweight trailers.



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It should have a fuse for the marker lights. Do they work on the truck. Brown is the color for the marker lights. Good Luck

Posted on May 09, 2009

  • Mike White
    Mike White May 09, 2009

    There is usually a fuse for trailer markers. Chack all your fuses. If not it is in the wiring to the plug, Brown is the running lights/markers.



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