Ignition Switch 3 Position Magneto | Sierra MP39100 3 Position Magneto Ignition Switch | Sierra MP39100 3 Position Magneto Off-Run-Start Ignition Switch Polyester construction Brass backing nut Hex black plastic face nut 1 1/8 in. maximum panel thickness 7/8 in. hole size 5 screw tab terminal connections Ignition rating 15 amps @ 12 volt DC Solenoid rating 30 amps @ 12 volt DC Replaces OMC/Johnson/Evinrude 386545