2003-2005 Chevy Silverado GMC Yukon Throttle Position Harness - Replaces 15118849, 15188935 - This harness fits the adjustable style gas pedal that is found on many of the SUVs. - Drive by Wire Adjustable Gas Pedal and TAC Module with wire harness for 2003-2005 Silverado, Sierra, and similar Full Size Trucks. TAC module is part number 12588923 or the compatible 12573059. - Adjustable Gas Pedal Fitment: 89059124,12573059, 15767491, 89040149, TMD1-160A1, 301-114505, TMD1160A1,15118849, 15188935, PT1648, PT-1648, S1197, S-1197, PT1280, PT-1280, TMD1160A1, APK101, APS131, 699-101, 19370279. - Will fit the following 2003-2005 Full Size trucks: Escalade, EXT, ESV; Avalanche 1500, 2500; Silverado 1500, 2500, 3500; Suburban 1500, 2500; Tahoe; Sierra 1500, 2500, 3500; Yukon; Yukon XL 1500, 2500; H2.