Metra Reverse Wiring Harness 71-1858-1 for Select 1988-2005 GM Vehicles 32-PIN OEM Radio Plugs into oem radio Power 4 speakers For select 1990-2001 Mazda vehicles For select 1998-2005 GM Vehicles Plugs into car harness Power/4 Speaker 32-pin connector High impact, OEM quality, ABS plastic molded connector for the perfect fit