Feature●[ Fitment ] for Chevrolet Silverado 2007-2013; for Chevrolet Suburban 2007-2014; for Chevrolet Tahoe 2007-2014; for Cadillac Escalade 2007-2014; for GMC Acadia 2007-2016.●[ Function ] The amplifier adapter interface adapter provides the connection for your bass to provide an audio signal to an external amplifier.●[ Direct Replacement ] Directly replace the old or broken one, plug the adapter harness into the back of the CD player, find the corresponding fuse port, plug and play, no cutting, no wiring.●[ Feature ] Made of durable material, reliable, good sensitivity, stable performance, and a long service time.●[ Package Includes ] 1 x Amplifier Adapter Interface,1x Circuit Fuse Tap,1x Fuse,1x Extension WireDescription