The mustang wire harness connector is matched with the OEM speaker harness plug, and the other end is slipped through the new speaker terminal. Note: This is a 2-pin speaker plug adapter, please check carefully whether your speakers are suitable before purchg. The expedition speaker wiring adapter is designed with high quality copper core and a durable yet flexible PVC sheath to achieve exceptional signal quality and longevity. Directly replace. F150 speaker wiring harness adapter is plug and play. No extra cutting factory wiring harness. No soldering or splicing, made your speaker upgrades really simple. NuIth speaker harness Compatible with Lincoln Continental 1990-1994, Mark VII 1989-1992, Mark VIII 1993-1995, Navigator 1997-1998, Town Car 1990-2002. Car speaker wiring harnesses fit for Mazda Miata 1990-1995, 626 1993-2002, B2300/B3000/B4000 1995-1997, MX6 1993-1997, Navajo 1991-1994. Speaker wiring harness for Mercury Cougar 1989-1997, Grand Marquis 1989-1997, Mountaineer 1997-2001, Sable 1990-1999, Topaz 1989-1994, Tracer 1991-1996. Speaker wiring adapter for Ford: F150/F250/F350 1992-1999, F450/F550/F650/750 1996-1999, Expedition 1997-1998, Explorer 1991-2001, LTD 1989-1991, Mustang 1994-2004, Ranger 1989-1997, Taurus 1990-1999, Windstar 1995-2003, Bronco 1987-1996, Crown Victoria 1992-1997, Econoline 1992-2008, ZX2 1997-2004, Escort 1991-2004, Probe 1988-1997,Tempo 1989-1994, Thunderbird 1989-1997, Edge 2001-2010.