1978 Johnson 4HP outboards Service Manual, Page 36Get this manual
CONNECTOR PLUGS Two waterproof connectors, male and female plug-in type, are utilized in the ignition system four wire connector connects the charge coil and sensor coil leads to the power pack The three wire connector connects the power pack leads to the ignition coilsSee Figure 4-7 Each connector is secured by retainerThe retainer must be removed to unplug the connector
1I nsert tool (OMC Part No322697) 2Pin remover (OMC Part No322698) 3Socket remove (OMC Part No322699) 4Pin terminal 5Socket terminal 6Crimp terminal here Figure 4-8Tools for Connector Terminals dInsert the removal tool onto the terminaland push the terminal from the connectorSee Figure 4-9
1Clamps 2Snap out connectors 3Screws Figure 4-7Connector Plug Location