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Hello. My name is***** the spark plugs and see if you can turn the motor over. You could have water in the cylinders or a transmission issue. Have you checked the oil in engine and transmission?
Did you have water connected to the motor to run it the other day?
Ok lets do some voltage tests. Do you have a volt meter?
Ok lets check the voltage at the starter motor when key is in crank position. We want to check the voltage on the battery cable connection on the starter it self. What is the voltage reading?
Ok no rush will be here all day. Thanks.
Ok on the starter we ned to check voltage at the C terminal when key is in crank position. What is your voltage?
Open the link I sent you. This is the terminal on the start solenoid just below the battery cable connection.
Here's the link again.http://f01.justanswer.com.s3.amazonaws.com/jacksparrow1956/f4b4d029-a43f-4a32-8398-8ad685b29bc0_Starter20Solenoid.png
We have to do voltage tests to find what the issue is. I can't tell you what is wrong without testing. This is a process of elimination. You are the one who thinks this is an electrical issue.
Where would you suggest we start?
No. But I have been working on marine engine for over 40 years and know how systems work. I don't see what that has to do with troubleshooting the issue. The voltage regulator won't have anything to do with the start circuit.
I guess you can't do the tests. This is a waste of my time I guess you don't want you engine fixed. Good luck. Take it to a Marina and see what they charge to do the tests I am asking you to do.
Hi Mike my name is***** am another expert here. Do you still need help with the issue?