Metra 70-1858 21-pin Radio Wiring Harness For Select 1986 Through 2005 Gm Vehicles

• Plugs into car harness at radio (21 pin) • Compatible with select Buick, Cadillac, Chevrolet, GMC, Isuzu, Oldsmobile, Pontiac, and Saturn vehicles • 5-in. length • Connections for 12-volt power, 4 speakers, power antenna turn-om, dimmer, and chassis ground • Does not accommodate special navigation, factory steering wheel control connections, or video