2004 GMC SIERRA 3500 PICKUP RADIO AUDIO

Compatible with Avalanche 1500 Avalanche 2500 Blazer S10/jimmy S15 Bravada Envoy Envoy Xl Envoy Xuv Escalade Escalade Esv Escalade Ext Express 1500 Van Express 2500 Van Express 3500 Van Hummer H2 Rainier S10/s15/sonoma Savana 1500 Van Savana 2500 Van Savana 3500 Van Sierra 1500 Pickup Sierra 2500 Pickup Sierra 3500 Pickup Sierra Denali Silverado 1500 Pickup Silverado 2500 Pickup Silverado 3500 Pickup Suburban 1500 Suburban 2500 Tahoe Trailblazer Trailblazer Ext Yukon Yukon Xl 1500 Yukon Xl 2500