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locate 3 blower control modules 2004 blazer

Discussion in 'Chevy Trailblazer Forum (GMC Envoy)' started by jim fl, Mar 8, 2012.

  1. jim fl

    jim fl New Member

    i've found 2 of 3 modules that control air flow (flaps) sending air to differebt vents Can't locate 3rd? Anyone know ???

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