1985 OMC 65, 100 and 155 HP Models Commercial Service Manual, PN 507450-D, Page 362Get this manual
If engine cranks in all "Forward", "Neutral" and "Reverse positionsCheck switchSwitch must be open circuit (no continuity) in "Forward" and "Reverse" gear positionsSwitch must have continuity in "Neutral" position only If engine will crank in both "Forward" and "Reverse" positions and in "Neutral After testing switch and find it working correctly, check for proper wiring of the start circuitIf engine will not crank in any control handle position, check all electrical connectionsIf the engine still will not crank, inspect both the engine and the remote control1'1
Emergency Ignition Cut-Off Switch Mounted in the remote control is an emergency ignition cut-off switchI engine does not run and emergency ignition cut-off switch checks to be good, refer to Section and check key switchEmergency Ignition Cut-Off Switch Test To test emergency ignition cut-off switchengine running1
Pull cap and lanyard assembly offEngine must stop
To test emergency cut-off switch without disassembling remote control: 1Disconnect battery cables