Ford Mustang 05-09 Sequential Turn Signal Harness Fits 2005-2009 Mustang & GT-500 with factory or factory-copy aftermarket tail lights Plug and play installation between the inner tail light sockets and wiring Sequences the lights outward from the innermost to the outermost Works with turn signals, brakes & hazards; Optional phone cord turns off brake & hazard sequence Complete kit for one Mustang; One harness per side, two included