Question about 2004 Chevrolet Tahoe

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04 Tahoe blowing fusible link in fuse box for starter

My 2004 Tahoe wouldn't start on Sunday. Check battery and starter, but it turned out that the 40amp fusible link in underhood fuse box was blown. Replaced and it started immediately. Drove for two days and went to start it on Wednesday evening and it did it again. Replaced fuse and started immediately.

Any ideas what might be blowing the fuse?


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  • 3 more comments 
  • sjkcwatson Jul 24, 2008

    Ignition A (ING A 40)

  • sjkcwatson Jul 25, 2008

    You got it - it was from an aftermarket alarm system that we had removed when we bought it. They left part of the wire and it was shorting. Fixed the wire and fixed the problem. Thanks for your help!

  • sjkcwatson Jul 26, 2008

    That fixed it - we had an aftermarket alarm system removed when we bought it and they left a couple of the wires loose. It had worked it's way down and was causing the problem. Thanks!

  • Anonymous Mar 16, 2014

    Hi, my 40Amp fuse on the engine fuse box is burnt out i put a neu one on all the lights on the car workt then i turn the key and the fuse burnt out again .what could be

  • Anonymous Mar 21, 2014

    car wont start someone told me to check the fuse



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  • 373 Answers

ON the fuse box cover.
IS there a especification for the funtion of the fuse. or the number of the location of the fuse.
If you can give me, I can try help you. as more I can.

Thank you for use fixya.

Posted on Jul 24, 2008

  • Juan Guillen Jul 24, 2008


    THe fuse IGN A. GIve power to a lot of electronics system.

    But they have a SMALL fuse for each one.

    BUT. The principal funtion of that fuse is;

    Give constant power to RED wire on the ignition switch

    First. REMOVE the steering covers.

    Check for any aditional wire connected to the ignition switch wires, For EXAMPLE alarm system. aftermarket lights.

    Brake box for trailer.

    And check for proper funtion.

    Check the condition of the wires.

    Check for damaged insulation of the wires.

    OK... DO that.

    Let me know what you found.

  • Juan Guillen Jul 26, 2008

    Thank you. I'm happy when your solved your problem.

    I will here to help at everybody that need my help.



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