Rear door speaker bracket and speaker wire harness set. Save time when installing aftermarket speakers. Rear door speaker adapter for 6.5" size speakers. Made from plastic for a long lasting secure fit and corrosion resistance. For vehicles with rear doors. Speaker wire harness to plug into the vehicle's factory speaker wire connector. What's Included: For 2 speakers: 1. 1 pair of speaker adapter (2 brackets) 2. 1 pairs of speaker wire harness (2 speaker wire harnesses). Compatible Vehicles: Rear door location only: Made for Chevrolet: 2015-2024 Colorado, 2014-2024 Silverado 1500 , 2015-2024 Silverado 2500/3500, 2015-2020 Suburban; Made for GMC: 2015-2024 Canyon, 2014-2024 Sierra 1500, 2015-2024 Sierra 2500/3500