Fits 1991-1993 Buick Roadmaster Window Master Control Switch Switch Doctor branded switches are manufactured to the highest standards available, and are identical in appearance and function to your stock switch. This switch is the complete unit you need including buttons, circuit board, plug ins, etc. Switch Doctors hassle-free lifetime warranty is included free with all Switch Doctor branded switches. Your switch is fully covered while you own it  its that simple! Additionally, should you need to use this warranty, the process is easy and comes at no cost to you. Ships within 6 hours, on average, of order completion. Shipping includes delivery confirmation for the United States and 20 other countries! Free installation instructions and support are at Switch Doctors website or talk to one of our experts at 678-389-6725. Buick', 'Roadmaster', and 'Genuine GM' are trademarks of General Motors Corp. LLC. This listing is for a Switch Doctor branded switch. "Switch Doctor" is the registered trademark for window switches manufactured for and sold by Switch Doctor. The words ''Buick' and 'Roadmaster' are used in this listing to describe the fitment of this window switch only. Switch Doctor is neither stating or implying that this listing is selling a Buick or Roadmaster brand switch.