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Old 06-30-2019, 03:25 AM   #1
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Default Rapid clicking

Hi friends, I have a maxum with a 4.3l thunderbolt v set up, we have just purchased this boat knowing it wasnít running, it tries to start then as soon as you turn the key for a 2nd time it clicks rapidly, Iíve had the battery tested and itís perfect, (also tried 2 other batteries) and had it on jump start with the same rapid clicking, the tilt trim also works on the 1st attempt to start then it clicks rapidly trying to use it after the 2nd attempt of starting, iitís definitely not a battery issue (which seems like the obvious answer) Iím assuming it might be an earthing fault? Iíve cleaned the main earth on the back of the block and at the battery, also put in a new starter motor, starter solenoid, relay, and coil pack, leads and plugs. Iím absolutely stumped as to why it tries to start 1st attempt when cold then nothing there after, same result 4 weekends in a row. Please if anyone has any proper input help! Much appreciated.
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Old 06-30-2019, 03:41 AM   #2
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Have you verified all the battery cables are clean and tight, both positive and negative. I know you said you cleaned the negative to the block but what about all the positive ones that go to the battery switch then slave soleniod then finally the starter? Have you used a volt meter to check what the voltage is when cranking at the battery and starter?
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Old 06-30-2019, 04:57 AM   #3
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Quote:
Originally Posted by mmwjr View Post
Have you verified all the battery cables are clean and tight, both positive and negative. I know you said you cleaned the negative to the block but what about all the positive ones that go to the battery switch then slave soleniod then finally the starter? Have you used a volt meter to check what the voltage is when cranking at the battery and starter?
all are clean and tight, I have 13+ volts at the battery and starter.
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Old 06-30-2019, 11:20 AM   #4
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all are clean and tight, I have 13+ volts at the battery and starter.
When measuring at the starter do you have the negative meter lead on the case of the starter? This will verify good path back to negative terminal on the battery.
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Old 06-30-2019, 12:43 PM   #5
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Have you tried to turn the engine with a breaker bar? Make sure it turns freely.
Are you certain there is no water in the cylinders? It could be hydrolocked.
I recommend removing plugs and turning the engine by hand. Then try with starter and see if any water shoots out of the plug holes.
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Old 06-30-2019, 01:09 PM   #6
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Typically is the engine is locked you get just one clunk. Rapid clicking is low power at either the slave or starter soleniod.
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Old 07-01-2019, 03:13 PM   #7
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Did you check the connection at the Slave solenoid? I had same problem and it was the slave solenoid. I always keep an extra on board now.
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