2003 GMC SIERRA_3500_PICKUP RADIO AUDIO

Compatible with Blazer S10/jimmy S15 Canyon Colorado Express 1500 Van Express 2500 Van Express 3500 Van Isuzu I-280 Isuzu I-290 Isuzu I-350 Isuzu I-370 S10/s15/sonoma Savana 1500 Van Savana 2500 Van Savana 3500 Van Sierra 1500 Pickup Sierra 2500 Pickup Sierra 3500 Pickup Silverado 1500 Pickup Silverado 2500 Pickup Silverado 3500 Pickup