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Ask GM Tech (Cam) Your Own Question

GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience:  GM Grand Master Technician 2007. 11 years experience.
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2002 chevy trailblazer: gauges..speedo... Dash lights work

Customer Question

2002 Chev Trailblazer---No "idiot lights" and the gauges don't work, speedo, tach etc. Dash lights work along with everything else electrical.
Submitted: 4 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 4 years ago.
Chat Conversation Started
GM Tech (Cam) :

Hi, I'm Cam I will answer your question quickly but we may need to discuss this further. Please reply to continue the discussion.

GM Tech (Cam) :

Does the engine start and run?

GM Tech (Cam) :

Does it start and run/

Customer:

Meant to say----No other lights etc are NOT operating along with all gauges.

GM Tech (Cam) :

Ok, so it does not start then?

Customer:

YES it starts and runs fine.

GM Tech (Cam) :

OK. do the back lights for the cluster, the illumination feeds work?

Customer:

Yes. All gauges are lighting up as normal just not working, Trans indicator for gear selection is also not working. All dash gauges and warning lights inop.

GM Tech (Cam) :

ok, do you have a test light to do some testing at the cluster?

GM Tech (Cam) :

I suspect a failed cluster but we need to test to be sure.

Customer:

Yes, however I do not have the Dash panel dissassembled.

GM Tech (Cam) :

OK, this the trailblazer with the inline 6?

Customer:

No---V6 4.2 Litre LS model

GM Tech (Cam) :

What is the VIN, the 4.2 is not a V6, the 4.3L is.

Customer:

Sorry, my mistake, it is a straight 6---4.2 liter---Vortec 4200 Motor

GM Tech (Cam) :

Peerfect, give me a few.

GM Tech (Cam) :
  • Remove the 2 screws that retain the insulator panel to the instrument panel (IP).

  • Release the insulator panel retaining clip from the IP substrate.

  • Lower the insulator panel.
  • GM Tech (Cam) :
  • Remove the 2 data link connector (DLC) retaining screws.

  • Remove the DLC from the insulator panel.

  • Remove the courtesy lamp from the insulator panel.Remove the splice pack from the insulator panel.

  • Remove the hazard and turn signal flasher from the insulator panel. Remove the insulator panel from the IP.
  • GM Tech (Cam) :
  • Remove the 4 trim panel retaining screws.

  • Release the clips that retain the trim panel to the IP.

  • Remove the trim panel from the IP.
  • GM Tech (Cam) :

    [IMAGE][SRC][/SRC][ALT][/ALT][WIDTH]108.10810810810811[/WIDTH][HEIGHT]100[/HEIGHT][STYLE][/STYLE][/IMAGE]


  • Remove the screws retaining the bezel to the instrument panel.

  • Remove the bezel from the instrument panel.

  • If equipped, remove the transfer case shift control switch.
  • GM Tech (Cam) :
  • Remove the screws retaining the IPC to the I/P.

  • Partially remove the IPC from the I/P in order to gain access to the electrical connector.

  • Disconnect the electrical connector from the IPC.

  • Remove the IPC from the I/P.
  • Customer:

    Please define "insulatlor panel"

    GM Tech (Cam) :

    The plastic under the dash where your toes would hit if you lift your feet.

    Customer:

    Ok I will try this. it is raining here in NJ and the vehicle is outside, might not be today.

    GM Tech (Cam) :

    Ok, so you know, You can reply at any time for follow up information regarding this issue, even after you accept my answer and I will reply.

    Customer:

    Thanks

    GM Tech (Cam) :

    No problem.

    Customer:

    I have to apoligize. I had forgotten that I had contacted you....by the way you were CORRECT in your diagnosis. Thank you, XXXXX XXXXX I apologize for not getting back to you sooner.


    GM Tech (Cam), Chevy Technician
    Category: Chevy
    Satisfied Customers: 27664
    Experience: GM Grand Master Technician 2007. 11 years experience.
    GM Tech (Cam) and 4 other Chevy Specialists are ready to help you
    Expert:  GM Tech (Cam) replied 4 years ago.

    Thanks for using Just Answer. If you want me to answer your next GM or GM product question, please put "For GMTECH Cam to Answer" and I should get it. Thanks and have a great day!!

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