CAR STEREO RADIO WIRING HARNESS OLDSMOBILE 1858 WIRE ADAPTER PLUG
GM GMC CHEVROLET BUICK OLDSMOBILE PONTIAC Into Car Wire
Car Stereo Harness General Motors 1988-Up - Into Car 21-pin Plugs into car harness at radio Power and 4-Speaker 21-pin plug - Metra WIring Harness. Some cars that use 70-1858 are listed below. Click on the car below to see all the other parts you may need.