Blower Motor Resistor Control Module for Tahoe Yukon Escalade Silverado Suburban Envoy Sierra A/C Blower Control Module w/ Harness + Instructions For Chevy GMC Saab Olds Part#: JA1639, 52409643, 52413530, 52495874, MT1805, 89019351, 93803636, RU-631 New Aftermarket Replacement Unit. 180-days Manufacturer Type Warranty Limited. Applications: Buick Rainier, Cadillac Escalade, Chevrolet Silverado, GMC Envoy, Oldsmobile Bravada