Question about 1992 GMC Sierra K1500

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1992 GMC Sierra control panel went dead and i have no heat.Possible causes?

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  • jamielynn900 Feb 18, 2010

    Any idea where I can find a layout of the vacuum lines? How many am i looking for?

  • jamielynn900 Feb 18, 2010

    I recently noticed a ticking noise in the dash when the key is on....could it be a relay possibly?

  • fcamilod
    fcamilod Aug 30, 2012

    I have the same problem, did you ever fix it?



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Check fuse first, if good then check for vacuum leaks, the controls run off of engine vacuum. I will need your feedback after you check those items to be able to assist you futher.

Posted on Feb 06, 2010

  • lindsay836
    lindsay836 Feb 18, 2010

    Go to your auto parts store. They have manuals with the vacuum line scematics. The lines will be colored, green, yellow ect. You have to lie upside down on your back and crawl under the dash toward the glove box. You may have to remove a couple of covers.



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