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  • lokki 06/15/09 10:35 am PST

    It's in the steering column - Note that there's a service bulletin on the ignition switch for the 03 Trailblazer



    On this vehicle, the ignition switch has three power circuits that feed different parts of the vehicle. if part of the switch goes open, it will cause several power losses to various electrical system.

    #PIT3432A: Intermittent Dead Battery - keywords draw indicator light performance PRNDL - (Mar 5, 2007)






    Subject: Intermittent Dead Battery







    Models: 2002-2007 Buick Rainier




    2004-2007 Chevrolet Trailblazer and Trailblazer EXT




    2002-2007 GMC Envoy, Envoy XL and Envoy XUV)




    2002-2004 Oldsmobile Bravada




    2005-2007 Saab 97x










    The following diagnosis might be helpful if the vehicle exhibits the symptom(s) described in this PI.


    Condition/Concern:




    Intermittent Dead Battery. Inspect the ignition 0 circuit for voltage when the key is removed from the ignition


    Recommendation/Instructions:




    This can be identified by watching the PRNDL display and the battery light on the IPC. Using the tip of key in the ignition cylinder, manipulate the ignition switch by rotating forward and rearward to see if the PRNDL and/or battery light illuminate on the IPC. If either of these lights illuminate, replace the ignition switch.

    Please follow this diagnostic or repair process thoroughly and complete each step. If the condition exhibited is resolved without completing every step, the remaining steps do not need to be performed.

    04-06-03-002: Diagnostic Information for Intermittent Vehicle No Crank/Dead Battery - (Feb 5, 2004)






    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.


    http://www.justanswer.com/questions/17v
    zh-trailblazer-problem-1-2#ixzz0IVe754U
    t&D



    Here's how to open the steering Column.

    Disable the SIR system. Refer to SIR Disabling and Enabling .
    Remove the steering wheel. Refer to Steering Wheel Replacement .
    Remove the tilt lever. Refer to Tilt Lever Replacement .
    Remove the knee bolster. Refer to Knee Bolster Replacement .
    Notice: Remove the closeout trim cover following the exact procedure listed below in order not to damage the snaps on the upper trim cover.

    Disengage the closeout trim cover (2) from the upper trim cover (1) in the following order:
    5.1. Stand in front of the column from the drivers point of view.

    5.2. On the left side, gently pull downwards on the left side of the closeout trim cover to loosen 1 snap. Do NOT fully remove the closeout trim cover.

    5.3. On the right side, gently pull downwards on the right side of the closeout trim cover to loosen 1 snap. Do NOT fully remove the closeout trim cover.

    5.4. Starting from the left side of the trim covers, gently roll the closeout trim cover to the right to disengage the remaining 4 snaps.





    Important: You must inspect for 2 pan head tapping screws (2) in the lower trim cover (1) before removal.

    If necessary, remove the 2 pan head tapping screws (2) from the lower trim cover (1).



    Gently unsnap the lower trim cover from the upper trim cover.
    If equipped, disconnect the electrical connector from the power switch.
    Remove the lower trim cover.
    Unclip the power pedal switch from the lower cover.



    Important: You must inspect for 1 TORX® head screw (3) in the upper trim cover (1) before removal.

    If necessary, remove 1 TORX® head screw (3) from the upper trim cover (1) and the closeout trim cover (2) for removal.
    If no screw is present, remove the upper trim cover (1) with the closeout trim cover (2).
    Installation Procedure
    Notice: Refer to Fastener Notice in the Preface section.





    Important: If the snap on/off feature on the trim covers was damaged during the removal procedure, you must use screws for the installation procedure. If screws were present in the trim covers before the removal procedure, you must use the screws during the installation procedure.

    If there was not any damage done to the trim covers during the removal procedure and no screws were present, proceed to step 7.


    Install the upper trim cover (1) with the closeout trim cover (2) and secure by using 1 TORX® head screw (3).
    Tighten
    Tighten the screw to 1 N·m (9 lb in).





    If equipped, install the power pedal switch onto the lower trim cover.
    Plug in the electrical connector for the power pedal switch.
    Install the lower trim cover (1).
    Connect the lower trim cover (1) to the closeout trim cover.
    Install 2 pan head tapping screws (2).
    Tighten
    Tighten the screws to 3.5 N·m (31 lb in).





    Install the upper and lower trim covers onto the steering column.
    Gently snap the upper and lower trim covers together.



    Install the closeout trim cover (2) onto the upper trim cover (1).
    Install the knee bolster. Refer to Knee Bolster Replacement .
    Install the tilt lever. Refer to Tilt Lever Replacement .
    Install the steering wheel. Refer to Steering Wheel Replacement .
    Enable the SIR system. Refer to SIR Disabling and Enabling .
    © 2008 General Motors Corporation. All rights reserved.[/QUOTE]

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