Photo 1 of 599-210XD Climate Control Module Compatible with 2003-2007 Chevrolet Silverado Avalanche Suburban Tahoe Trailblazer & GMC Sierra Yukon XL Envoy (Only fit Factory Manual HVAC Control Models

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Photo 1 of 599-210XD Climate Control Module Compatible with 2003-2007 Chevrolet Silverado Avalanche Suburban Tahoe Trailblazer & GMC Sierra Yukon XL Envoy (Only fit Factory Manual HVAC Control ModelsPhoto 2 of 599-210XD Climate Control Module Compatible with 2003-2007 Chevrolet Silverado Avalanche Suburban Tahoe Trailblazer & GMC Sierra Yukon XL Envoy (Only fit Factory Manual HVAC Control Models