Chrysler 25 and 30 HP Outboard Motors Service Manual OB 1894, Page 52Get this manual
SECTION XI (Cont EConnect green lead to choke solenoidFConnect black-striped yellow lead to underside of forward terminal of interlock switchGConnect yellow lead to underside of aft terminal of interlock switchHConnect battery leads to battery
battery terminalsBRemove ignition switchfromcontrol-box or dashboard of boatCDisconnect lead wires from ignition switch7-2 Installing Ignition Switch
terminals7IGNITION SWITCH 03-53