Port engine battery bank indicates 32 plus volts. It won't turn over the motor. Motor starts when the parallel switch is engaged to use starboard battery bank. Set up is original.
Where should I start trouble shooting this?
Thanks for your help.
Bruce
Freestyle
1986 62 CPMY (54MY with extension)
Tampa
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Thread: Battery Solenoid or Starter
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04-14-2018 09:27 AM #1Senior Member
- Join Date
- Apr 2005
- Posts
- 516
Battery Solenoid or Starter
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Re: Battery Solenoid or Starter
Have someone turn the key while their doing that you test the volts in the battery. Do you really have enough juice to turn the motor over. That happened to me. Had to buy a new starting battery. 2 dead cells. Showed power until you turn the motor over.
SEVEN
1979 53' MY Hull #563
Antioch, California
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04-14-2018 10:45 AM #3
Re: Battery Solenoid or Starter
Check all the cells with a hydrometer. It's probably showing a surface charge but has no reserve.
How old are the batteries?Scott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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04-14-2018 12:40 PM #4Senior Member
- Join Date
- Jul 2005
- Posts
- 130
Re: Battery Solenoid or Starter
Start with the voltage test on the battery. I approached it from the starter cable end and could have saved a lot of time and energy.
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04-14-2018 12:56 PM #5
Re: Battery Solenoid or Starter
https://www.amazon.com/E-Z-Red-SP101.../dp/B000JFHMRU
as suggested, start with the batteries.Mal
Miss Molly
'85 53ED #750
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04-14-2018 01:07 PM #6
Re: Battery Solenoid or Starter
No don't buy that crap.
Get a real one.
It needs a thermometer on it too.
https://www.google.com/url?sa=t&sour...nVLlXhaCeHZR0pScott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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Re: Battery Solenoid or Starter
Given that it will hit with the parallel switch, could be a few things, batteries, cabling, Cole Hersey Solinoid in the battery isolator box, or battery isolator switch itself. Mine is a 1987 model, and all of the battery isolator selector switches have failed over the last few years.. Lot of brittle plastic in those switches and when they fail, that battery bank is out of the loop.
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04-14-2018 05:00 PM #8
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04-14-2018 05:53 PM #9
Re: Battery Solenoid or Starter
I've got a few from NAPA. I leave on in the engineroom of my boat so I don't need to look for it.
Scott
41C117 "Hattatude"
Port Canaveral Florida.
Marine Electronics and Electrical Products Distributor.
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04-26-2018 03:11 AM #10Senior Member
- Join Date
- Apr 2010
- Posts
- 65
Re: Battery Solenoid or Starter
Check the battery switches. The plastic cracks and releases some of the spring tension. Then the switch can't deliver enough amps to spin the diesel. Steve