Check the listing for details. Single DIN/ Double DIN Car Stereo Installation Kit for 2003-2006 Chevy Silverado. Color: Black, Condition: New. Listed at 34.99 USD. Single DIN/ Double DIN Car Stereo Installation Kit for 2003-2006 Chevy Silverado (Base Models Only) Upgrade your 2003-2006 Chevy Silverado (Base Model) with this Single DIN or Double DIN Car Stereo Install Radio Wiring Kit. This kit includes a dash kit, wiring harness, and other necessary components for a seamless installation of a single DIN car stereo. Please note that this wiring harness does not fit vehicles with Bose or Onstar, and it is compatible with base models only. Dash Kit: The GMK421 Single DIN / Double DIN install Dash Kit is designed specifically for the listed Chevrolet base models. It includes a pocket with recessed mounting for a DIN or ISO DIN radio and features specially designed patent-pending side mount brackets for a secure fit. The kit also includes an ISO extension trim ring, radio housing, radio housing brackets, trim plate, ISO brackets, and DIN spacer. The high-grade ABS plastic structure and factory-style texture design ensure a professional look that matches the factory dashboard. Wiring Harness: The provided wiring harness is basic and does not provide accessory power. To supply accessory power to your aftermarket radio, you will need to run the provided accessory (Red) wire to your fuse box and connect it to a fuse that turns on and off with your key switch. It is important to note that using this harness may result in the loss of your factory warning chimes. Vehicle Compatibility: The dash kit and wiring harness are compatible with the following Chevrolet base models: 2003-2006 Chevrolet Avalanche 2002-2004 Blazer (without oversize radio) 2000-2005 Cavalier 2004-2012 Colorado 2001-2002 Express Van 2003-2007 Express Van 2000-2005 Impala 2001-2003 Malibu 2004 Malibu Classic 2000-2005 Monte Carlo 2002-2004 S-10 Pickup (without oversize radio) 2003-2006 Silverado 2007 Silverado Classic 2003-2006 SSR 2003-2006 Suburban 2003-2006 Tahoe 2000-2004 Tracker 2002-2009 Trailblazer 2000-2005 Venture Van Note: Please ensure compatibility of this product with your specific Chevy Silverado model and trim before making a purchase. This wiring harness does not retain factory radio features, and the red wire provided must be used to provide accessory power to the aftermarket radio.