Question about 1990 GMC S-15 Jimmy

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I need the diagram for vaccum lines for the transmission and transfer case on a 1990 GMC sierra classic s-15 pick up truck (small) 4.3 automatic 4x4

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  • fireprolady Apr 23, 2010

    tky, tky very much looking for this for my husband will let you know if it is what he needs. again many thanks
    diane

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Maybe I miss understood your request, but I do not recall ANY vacuum lines directly connected to the transmission or transfer case.

Vacuum is used by the ECM to determine load, so I included those here.

If you need something else please let me know ASAP

i need the diagram for - da7213a.gif

Posted on Apr 23, 2010

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Posted on Jan 02, 2017

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