Question about 1990 GMC Suburban

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My rear window wont roll down with the key anymore but it still works from the inside switch

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  • John VA Oct 25, 2011

    1990 Burb. Rear gate motor replaced. Will go down but not up with switch and rear gate key. Where can I find a new rear gate lock cylinder?

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The key lock cylinder has contacts for the window switch at the inner end of this lock cylinder. They are corroded so they do not work for you. If you can tear it apart and clean the contacts it may work well again for you. Sometimes they are to far gone to clean
Good luck

Posted on Feb 07, 2010

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