Below is an abreviated list of applications for the Brake Control Wiring Adapter.
Avalanche 1500, Avalanche 2500, Escalade, Escalade ESV, Escalade EXT, H2, Sierra 1500, Sierra 1500 (Canadian), Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 2500 HD Classic, Sierra 3500, Sierra 3500 Classic, Silverado 1500, Silverado 1500 HD, Silverado 2500, Silverado 2500 HD, Silverado 2500 HD Classic, Silverado 3500 more…