2004 silverado 7-pin plug

Discussion in 'General Chevy & GM Tech Questions' started by 2004chevy4.84x4, May 7, 2011.

  1. 2004chevy4.84x4

    2004chevy4.84x4 New Member

    On my 2004 Silverado 7-pin plug, there is a seperate smaller plug coming out of the harness. What is that smaller plug used for?
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