Metra 71-1777 Reverse Wiring Harness for 2000-2004 Ford Focus and 1999-2002 Mercury Cougar Plugs into oem radio Power 4 speakers Harness is designed to plug in the factory radio For 2000-2004 Ford Focus, and 1999-2002 Mercury Cougar Plugs into OEM Radio Power/4-Speaker One 8-pin connector and one 7-pin connector High impact, OEM quality, ABS plastic molded connector for the perfect fit