2003 CHEVROLET TRAILBLAZER EXT ENG/MOTOR CONT MOD

Compatible with Astro Avalanche 2500 Blazer S10/jimmy S15 Corvette Cts Express 1500 Van Express 2500 Van Express 3500 Van S10/s15/sonoma Safari (gmc) 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 Suburban 2500 Yukon Xl 2500