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07-08-2017, 03:44 PM
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#1
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Lieutenant
Join Date: Jul 2016
Posts: 51
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No start
So I've gone to the boat today, been stood 2 weeks.
Gone to start her and she was turning over.
Then nothing?
All the dials move, I've put a screwdriver accross the starter and it spins but when I turn the key there is no starting?
Any ideas?
I thought it could be the neutral micro switch but it's only a guess?
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07-08-2017, 03:55 PM
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#2
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,623
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So was cranking but then stopped, now nothing, correct?
There is a 20 amp fuse under the helm for the ignition. Verify the B terminal has 12 V.
If good verify the I terminal has 12 V with the key in the run position.
Finally verify the S terminal has 12 V when the key is in the start position.
If all good verify the slave soleniod is getting 12 V to the coil terminal, small one. The other small terminal is ground. Then verify the large terminals have 12V when cranking.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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07-08-2017, 03:56 PM
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#3
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,623
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Forgot to ask when you jumped the starter and it spun was it turning the engine over?
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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07-08-2017, 06:26 PM
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#4
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Lieutenant
Join Date: Jul 2016
Posts: 51
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Hi Mike
No it just spun but it's a new starter this season
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07-08-2017, 10:53 PM
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#5
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,623
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Steve let me know the results of checking for voltage as I defined in post 2.
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1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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07-09-2017, 02:04 AM
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#6
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Lt. JG
Join Date: Aug 2012
Posts: 33
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Steve,
Buddy of mine had about the same symptoms a couple of years ago. The ignition coil was the cause. Cheapest fix he has has on a Mercruiser...$35.
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07-09-2017, 02:10 PM
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#7
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,623
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Quote:
Originally Posted by MAXUM2500SE
Steve,
Buddy of mine had about the same symptoms a couple of years ago. The ignition coil was the cause. Cheapest fix he has has on a Mercruiser...$35.
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Steve said his engine is not cranking over, the coil has nothing to do with the cranking circuit.
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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07-09-2017, 04:15 PM
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#8
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Admiral
Join Date: Mar 2012
Location: Lake Powell
Posts: 1,613
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Try rotating the engine a little bit by hand. You may have a dead spot in the fly wheel.
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07-09-2017, 06:55 PM
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#9
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Lieutenant
Join Date: Jul 2016
Posts: 51
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Mike
I'm going to the marina tommorow is the fuse a tube one or a bayonet type?
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07-09-2017, 10:55 PM
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#10
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,623
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Tube that is in the harness not the fuse panel. If you have 12V on the B terminal of the ignition switch the fuse is good.
B stands for battery
I stands for ignition
S stands for start
On the ignition switch
__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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07-12-2017, 04:43 PM
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#11
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Lieutenant
Join Date: Jul 2016
Posts: 51
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All sorted thanks
It was a loose connection on the ignition switch itself.
Mike the Maxum Magician to the rescue again.
Thanks to all that commented
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07-12-2017, 04:52 PM
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#12
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Admiral
Join Date: Feb 2012
Location: Essex, Maryland
Posts: 10,623
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Quote:
Originally Posted by Stevie.UK
All sorted thanks
It was a loose connection on the ignition switch itself.
Mike the Maxum Magician to the rescue again.
Thanks to all that commented
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Glad you were able to resolve it, enjoy. 
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__________________
1997 Silverton 362, 7.4 Crusaders
1997 2400 SCR, 5.7 Vortec / Bravo 2
Mike
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Linear Mode
