Question about 2003 Chevrolet TrailBlazer

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W D 40 did not work WHATS next? - 2003 Chevrolet TrailBlazer

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  • fatcat2009 Nov 14, 2010

    put key in the ignition to start the truck BUT THE KEY WOULD NOT TURN some one on this website site said to put WD 40 on / in key slot BUT IT DID NOT WORK

  • fatcat2009 Nov 14, 2010

    the key dose not turn at all like the ignition is locked but the battery soon needs to be replaced could it be the problem THANK YOU

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  • Master
  • 10,515 Answers

Hi,

Kindly mention the problem in detail?

Thanks!!

Posted on Nov 14, 2010

  • taran_2005
    taran_2005 Nov 14, 2010

    Thanks for your response!!

    1. Check the IGN 0 fuse in the fuse box under the rear seat (driver
    side) to see if it is blown or if the fuse does not have 12 volts key
    on.

    2. If the fuse is not blown but does not have 12 volts, then
    go to the White wire of the ignition switch and see if it is showing 12
    volts with the key on.

    3. If there is not power the ignition switch is bad.

    It is the IGN 0 fuse under the rear seat, if you have a test light see
    if there is any power on it as well as if it is blown. To check the
    white wire you can get to them by removing the lower cover on the
    steering column, I do not believe the wheel needs to be removed on this model.

    There is actually a gm service bulletin about this problem and basically
    it states that you must reposition the shifter boot. You can simply try
    pulling the boot up and away from the shifter mechanism. I am a little
    concerned when you say there is no power though. See if anything works,
    this could be a bad battery or possibly a faulty ignition switch. Let me
    know how you make out. If this doesn't work we can go further

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

  • taran_2005
    taran_2005 Nov 14, 2010

    Thanks for your response!!

    Yes, that could be an issue. On this model, battery and ignition switches are creating a lot of problems with almost all customers.

    This is the bulletin for your problem if the battery is good and the terminals on the battery are clean and tight..

    Ignition Switch - Intermittent No Crank/Dead Battery
    Notes

    Bulletin No.: 04-06-03-002

    Date: February 05, 2004

    INFORMATION
    Subject:
    Diagnostic Information for Intermittent Vehicle No Crank/Dead Battery


    Models:
    2004 Buick Rainier
    2000-2004 Cadillac Escalade
    2002-2004 Cadillac Escalade EXT
    2003-2004 Cadillac Escalade ESV
    1998-2004 Chevrolet Blazer, S-10 Pickup
    1999-2004 Chevrolet Silverado
    2000-2004 Chevrolet Suburban, Tahoe
    2002-2004 Chevrolet Avalanche, TrailBlazer, TrailBlazer EXT
    2003-2004 Chevrolet Express
    1998-2004 GMC Jimmy/Envoy, Sonoma
    1999-2004 GMC Sierra
    2000-2004 GMC Yukon, Yukon XL
    2002-2004 GMC Envoy, Envoy XL
    2003-2004 GMC Savana
    2004 GMC Envoy XUV
    1998-2004 Oldsmobile Bravada
    2003-2004 HUMMER H2



    When diagnosing a concern regarding an intermittent vehicle no crank or dead battery, technicians should remove and reinstall the ignition switch using the Ignition Switch Replacement procedure in the Steering Wheel and Column section of SI. The ignition switch may have been misindexed in the steering column during a previous replacement.

    If the ignition switch is misindexed in one direction, the ignition switch circuits will not be completely open when the ignition switch is in the OFF position with the key removed. This may result in lights remaining on or instrument panel lights illuminating, which will drain the battery. If the ignition switch is misindexed in the opposite direction, the ignition circuits will open correctly but the ignition switch may not close the crank circuit properly when the ignition key is turned to the crank position. This will result in a no crank concern.

    There are few more reasons for the same on this model ....

    If key won't turn in the ignition cylinder, You have either a bad key or a tumbler sticking in the lock cylinder.Please dont take a hammer to your ignition, I am researching the problem through a GM master tech that I know.

    There
    is a passlock theft deturrant system in the truck as well as a lock
    cylender control solinoid. This is probably the cause of your worries.
    When you go to get a spare key made for this vehicle take the key and
    your vin number to the dealer to have it made there.

    Now to get the system to disarm.

    If
    the security or theft deterrent light is illuminated on the instrument
    cluster we need to reset the system, ( assuming that the mechanism isn't
    jammed)

    I think that the cylinder is jammed either internally or
    because of the solenoid (#3 in the image below) Either way the truck is
    going into the shop, depending on your level of experience. If you feel
    up to the task, pull the trouble codes from the computer and let me
    know what they are, then we will attempt to pull the lock cylinder and
    see what is jammed up.

    But one last thing to try is to disconnect the battery for a few minutes, lets say 30 and see if that frees up the cylinder.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

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