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Old 09-06-2017, 19:33   #1
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check my 12v wiring plan

Please asses my wiring diagram. Will my boat blow up when connect it all? https://www.facebook.com/angelmanket...828867/?type=3
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Old 09-06-2017, 20:44   #2
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Re: check my 12v wiring plan

Quote:
Originally Posted by Russian007 View Post
Please asses my wiring diagram. Will my boat blow up when connect it all? https://www.facebook.com/angelmanket...828867/?type=3
It is on Facebook - I cannot view the material.

If you simply use one of the gazillion free image sites
(like postimage.io or imgbb.com or anything that gives you a url to use here)
I can try to help you.

cheers, over
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Old 09-06-2017, 21:25   #3
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Re: check my 12v wiring plan

Quote:
Originally Posted by expatri8 View Post
It is on Facebook - I cannot view the material.

If you simply use one of the gazillion free image sites
(like postimage.io or imgbb.com or anything that gives you a url to use here)
I can try to help you.

cheers, over
Thanks hope this one works. It's a two battery system, one for starting, the other for accessories. Batteries are marked 1 and 2 on the diagram.

https://postimg.org/image/6b6ctn7z7/
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Old 11-06-2017, 19:14   #4
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Re: check my 12v wiring plan

Just a lot of weekend stuff intervened,

back to this:

To begin,
Let us list what parts you have just to be clear:


Judging by the Batteries you are using a Negative ground (very important point)

Battery 1
Battery 2 (assuming these are two identical batteries - hopefully ?)

Cole - which appears to be a SpDt switch to change Load from one battery to the other

Solenoid - hardwired into the Starter

'2 way switch' = a label hanging in the air over what appears to be an on-off (SPST) ?

Under that is what is probably a 3-terminal connection block ?

And up in the top of the drawing is a space indicating a windlass switch.

Are there any other components to add to this list ?
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Old 11-06-2017, 19:27   #5
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Re: check my 12v wiring plan

I would also like to know what the charging sources are and where they are connected.
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Old 11-06-2017, 19:30   #6
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Re: check my 12v wiring plan

Quote:
Originally Posted by Russian007 View Post
Please asses my wiring diagram. Will my boat blow up when connect it all? https://www.facebook.com/angelmanket...828867/?type=3
Yes, it will blow up - seriously don't do this.

While there maybe some typo errors in your rough drawing, the way you have shown it is simply wrong.

You have connected the +ve of the battery to the -ve of the battery via the starter motor solenoid as soon as you turn the "cole" switch on.

The position marked as "com" on a "cole" switch is the +ve load connection, not a -ve common point. The "com" should end up at the +ve of the starter motor solenoid rather than the -ve connection; then it will work
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Old 11-06-2017, 20:01   #7
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Re: check my 12v wiring plan

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I would also like to know what the charging sources are and where they are connected.
I have a 50amp alternator on the engine and a trickle charger.
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Old 11-06-2017, 20:04   #8
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Re: check my 12v wiring plan

Quote:
Originally Posted by expatri8 View Post
Just a lot of weekend stuff intervened,

back to this:

To begin,
Let us list what parts you have just to be clear:


Judging by the Batteries you are using a Negative ground (very important point)

Battery 1
Battery 2 (assuming these are two identical batteries - hopefully ?)

Cole - which appears to be a SpDt switch to change Load from one battery to the other

Solenoid - hardwired into the Starter

'2 way switch' = a label hanging in the air over what appears to be an on-off (SPST) ?

Under that is what is probably a 3-terminal connection block ?

And up in the top of the drawing is a space indicating a windlass switch.

Are there any other components to add to this list ?
I'm not at the boat at the moment. AFAIK those are the basics of the system as you described. Not sure what the purposed to that two way switch is.
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Old 11-06-2017, 22:00   #9
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Boat: Catalina 400 MkII
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Re: check my 12v wiring plan

Quote:
Originally Posted by Russian007 View Post
I have a 50amp alternator on the engine and a trickle charger.
Where do those charging source go?

We are flying blind a bit here.
What type of boat?
What type of batteries? (What Ah capacity and size?)
How do you use the boat? (Ie weekends on the hook, daysailing, cruising for weeks at a time...?)
What house loads are on the boat? (Refrigeration, inverter...?)

What made you decide that you needed to separate the batteries into two banks? Unless you are seriously running the risk of draining the batteries so you can't start the engine, you will get more use out of one larger bank than a small one and a battery that doesn't do anything for you except when you start the engine.
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Old 12-06-2017, 04:54   #10
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Re: check my 12v wiring plan

Quote:
Originally Posted by dhays View Post
Where do those charging source go?

We are flying blind a bit here.
What type of boat?
What type of batteries? (What Ah capacity and size?)
How do you use the boat? (Ie weekends on the hook, daysailing, cruising for weeks at a time...?)
What house loads are on the boat? (Refrigeration, inverter...?)

What made you decide that you needed to separate the batteries into two banks? Unless you are seriously running the risk of draining the batteries so you can't start the engine, you will get more use out of one larger bank than a small one and a battery that doesn't do anything for you except when you start the engine.
-Angelman Ketch, I've been fixing it up. Just for local cruising in channel islands eventually. No ref, just running lights at the moment. It has an inverter but I don't use it.
-575cca group 24. One battery is deep cycle, the other starting.
-Boat came with 3 batteries but only 2 were connected. There aren't banks. Two of the batteries were dead so I pulled them out, I want just two batteries, not banks of batteries, to batteries only. right now only one battery is connected. Boat does start strong with one battery. I actually haven't moved or changed battery cable layout/plan, I've just removed the two old defective batteries.
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