Be sure to add me to your favorites list!.......................IF YOU PLAN ON PURCHASING MULTIPLE ITEMS PLEASE USE THE CART SYSTEM, SO WE CAN SHIP THEM TOGETHER..................KEEP YOUR CAR GM!.....GM-BOSE ORIGINAL........DOES NOT HAVE THE GROUND WIRE HOLE ON THE BACK FOR THE EARLY CARS.............MAKE SURE YOURS IS THE SAME............HAS DENT ON THE CONE, SEE PICTURE..............1984 1985 1986 1987 1988 1989 Corvette C4 BOSE rear radio speaker, TESTED, WORKS, GM ORIGINAL, used. We ship weekdays only.  Shipping is USPS only, NO EXCEPTIONS. Please email with questions No local pickup. If a problem arises, please email or call before leaving feedback. We are in Stuart Florida. NCRS member since 1983. Thanks for looking. (BSA)