Brake Control Wiring Harness Brake Control Wiring Harness; 2 Plug; 20 Pack CADILLAC CHEVROLET GMC AVALANCHE 1500 AVALANCHE 2500 ESCALADE ESCALADE EXT SIERRA 1500 SIERRA 1500 HD SIERRA 2500 SIERRA 2500 HD SIERRA 3500 SILVERADO 1500 SILVERADO 1500 HD SILVERADO 2500 SILVERADO 2500 HD SILVERADO 3500 SUBURBAN 1500 SUBURBAN 2500 TAHOE YUKON YUKON XL 1500 YUKON XL 2500 BASE C3 DENALI HT LIMITED LS LT ON ROAD EDITION SL SLE SLT WT Z71 1999 2000 2001 2002 4.3L L35 (262) Vortec 4.3L LU3 (262) Vortec 4.8L GEN III LR4 Vortec (294) 5.3L GEN III Flex L59 Vortec (325) 5.3L GEN III LM7 Vortec (325) 5.7L L31 (350) Vortec 6.6L Duramax Turbo Diesel LB7 (403) 6L GEN III Bi-Fuel LQ4 Vortec (364) 6L GEN III CNG LQ4 Vortec (364) 6L GEN III LQ4 Vortec (364) 6L GEN III LQ9 HO Vortec (364) 8.1L L18 Vortec (496) BI-FUEL CNG DIESEL FLEX GAS Tekonsha Tekonsha Brake Control Wiring Harness - 3025 3025 Trailer Brake Control Wire Harness