Question about 2003 GMC Sierra

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Where is the 4 wheel drive fuse in 2003 serria?

Last year my 4 wheel drive went out and a mechanic and is no longer around, pulled the fuse and put it back in and it has worked for a year. Where is this fuse located so i can do it or replace it?

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  • bob1731 Dec 29, 2008

    They are not labeled, any idea what number it is? The manual don't say anything of help.

  • bob1731 Dec 30, 2008

    It was not the fuse this time, so now what? Any idea?

  • bob1731 Dec 31, 2008

    they are like just dead, no contact, no lights flashing, nothing.

    Someone said something about some switch or wireing harness under the truck but they didn't really know what they were talking about. And other ideas? We just got a foot of snow!

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It should be in the dash where the drivers door meets the dash behind a pannel with description on back

Posted on Dec 29, 2008

  • kop kar mech Dec 30, 2008

    try the second row from the top middle fuse it is a blue 15 amp. If you know how to check with test light that might be the easiest. Good Luck

  • kop kar mech Dec 31, 2008

    what happens when you push the button do the lights flash or anything if they do probably the front axle actuator (four wheel drive accuator) if not does the buttons feel like they make contact (click) if not check switch may have pushed out the back good luck let me know what you find

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