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What is This PLUG?

Discussion in 'General Chevy & GM Tech Questions' started by yota571, Apr 13, 2012.

  1. yota571

    yota571 New Member

    Untitled.png Does any one know what this plug is? I have a 2005 Chevy Silverado 1500 z71 crewcab. This plug is right next to the accumlator/dyer on the passenger firewall. I do not see any where that it could plug into the cloest thing that it could plug in to is the accumlator but it is already plugged in. Any help?

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