When the original equipment climate control module is damaged or malfunctioning on specified Cadillac, GMC and Chevrolet pickup trucks and SUVs, this all-new construction module is designed to seamlessly restore all the features of the originally installed module. Assembled in the USA and engineered with quality components to match the fit and performance of the factory unit, this direct replacement module will help ensure a professional, complete repair. This application-specific part is only for specified vehicles that were originally not equipped with a rear window defroster feature.