1988-1992 Mercury Force 5HP Outboards Service Manual, Page 110Get this manual
UREPLACING LANYARD SWITCH (1988 AND NEWER) 12Remove engine coverRemove lanyard switch Remove lanyard switch (8)(A) from lanyard
Disconnect two leads (C) from lanyard switch
NOTE: Be sure to mark terminals for proper installation Unscrew and remove knurled nut (D) from lanyard switchRemove switchInstall lanyard switch Position lanyard switch and install knurled nut (A)Connect two leads (8) to lanyard switchAttach lanyardC) to lanyard switchInstall engine cover