Have the turn signals failed? Are you sure the flasher unit is the problem? Try the 4way flashers do they work? Recheck a 5 Amp fuse that is marked "turn" and a 20 Amp fuse marked "horn" they must have power on both sides of the fuse key on! The flasher unit is behind the dash in the area of the hood release. Flasher unit has 8 wires going to it. green/red, blue/white, red/black, green/black, green, green /black, green/yellow, white/black.