Re: 1974 johnson 50hp.
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Posted by Greg Mc (22.214.171.124) on August 21, 2005 at 08:25:40:
In Reply to: 1974 johnson 50hp. posted by JimL. on August 20, 2005 at 20:23:38:
There is a brown wire going into the cylinder head. Slide back the connector insulator sleeve and with the key switch on ground the wire to the powerhead. The buzzer should sound. That will check the buzzer and wiring which are the most to have problems if at all. The sensing element can only be checked by removing it and putting it in hot water and checking it with a continuity checker.
Also you can add a "pee hole" to your engine by drilling and tapping a hole into the water jacket, installing a small barbed fitting and a length of hose.
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