This starter solenoid relay ignition switch is compatible with the following models: ATP 330 4X4 2005, ATP 500 4X4 2005, 330 2X4 2005, 330 4X4 2005, SCRAMBLER 500 4X4 2005, 400 2005, 600 2005, 6X6 2005, 6X6 MV 2005, 700 EFI 2005, 800 EFI 2005, MV 7 2005, TRAIL BLAZER 2005, TRAIL BOSS 330 2005, SERIES 11 2X4/4X4/6X6 (All) 500 2X4 2004–2006, 500 4X4 2004–2006, 500 6X6 2004–2005, and 700 XP 4X4 2005.It functions as a direct replacement for the starter solenoid relay ignition switch on these models.