03 2500HD door power issue

Discussion in 'GM Electrical Tech' started by c357m, Jan 9, 2010.

  1. c357m

    c357m New Member

    I have a 2003 2500HD Crew Cab with 95000 miles. On rainy days my driver's door master switch does not work. I am not getting power to the door because absolutely nothing on the door works. The other doors are fine. After the rain, the problem goes away. I know water is getting in somewhere but we haven't found it. Anyone else had this problem?
  2. TritonBoulder47

    TritonBoulder47 Rockstar 4 Years 500 Posts

    It's most likelt a bad window seal on the outside of the window. They make an electrical dry out spray that will help... It will clean and dry out your connections in your door switch, plus leave a protective film to prevent moisture from causing the problem again... Plus you can always use electrical grease

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