TRQ Headlight Dimmer Switch Compatible with 78-87 Buick 77-92 Cadillac 78-02 Chevrolet 78-95 GMC 78-94 Oldsmobile Pontiac

["Reference Numbers: 1997045; DS79T; 1S4834; UDS424","YOUR TRUSTED DIY VIDEO SOURCE: TRQ offers the largest catalog of DIY videos for replacement parts, making installation easier and repairs more accessible. Our mission is to help you \"View Before You Do,\" with hundreds of new videos added weekly.","TRUST & COMPATIBILITY: For over 25 years, TRQ has been the premium choice for direct-fit replacement parts. Confirm fitment with the Amazon Garage \"confirmed fit\" feature and review our full compatibility chart below before purchase.","EASE OF INSTALLATION: Save time and effort with pre-assembled components designed as direct replacements for the original equipment, ensuring precise fit and eliminating the need for modifications."]