1978 Johnson 4HP outboards Service Manual, Page 52Get this manual
cRelease the ignition coil wires from the support clamps and remove the coil mounting screwsSee Figure 4-:-43 INSTALLATION aInsert the ignition coil terminal into the three wire connectorbMount the ignition coil to the engine with the lockwasher between the engine block and ground wire connectorSee Figure 4-41 cSecure the high tension lead to the spark plug
IIIlil iMUNOTE
Carefully align the connector halves during assembly to provide proper terminal contactdReconnect the three wire connector and secure with retainer1Support clamps 2Mount screws Figure 4-43Ignition Coil Wire Support Clamps dRemove the ignition coil terminal from the three wire connector