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Please explain wiring diagram for me

Old 04-09-2003, 05:16 PM
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Default Please explain wiring diagram for me

Sounds like a winner Scott.

Good luck, and dont forget the pics.


Almost forgot, use crimps with adhesive lined insulators on them, and paint all the battery switch lugs and well most everything with liquid tape. It will add years to the life of the stuff.
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Old 04-09-2003, 07:34 PM
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Default Please explain wiring diagram for me

Thanks,

Pics to come....weather permiting.

-Scott K.
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Old 04-09-2003, 07:40 PM
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Default Please explain wiring diagram for me



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Old 04-10-2003, 07:45 AM
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Default Please explain wiring diagram for me

There you go Scott. Blend Birdmans diagram with the 1-2-off switches so you can use both cranking batteries for starting and you have the ideal setup.
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Old 04-10-2003, 07:13 PM
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Default Please explain wiring diagram for me

Just received an e-mail today from guest. This is the wiring diagram they suggested:

[/URL]

This is the diagram Perko suggested:



A different take on the story....I wish i wasn't so anal-retentive!

Scott K.

[This message was edited by Special-K on 04-10-03 at 09:24 PM.]

[This message was edited by Special-K on 04-10-03 at 09:35 PM.]
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Old 04-14-2003, 07:14 AM
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Default Please explain wiring diagram for me

With EFI engines, both engine must be connected to separate batteries. Wiring both engines together can cause voltage spikes and damage the ECM(s).
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Old 04-14-2003, 08:13 AM
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Default Please explain wiring diagram for me

quote:Originally posted by Sea_Dad:
There you go Scott. Blend Birdmans diagram with the 1-2-off switches so you can use both cranking batteries for starting and you have the ideal setup.

Sea Dad,
With my setup, the bottom switch (labeled Parralel switch) does exactly that. It lets you paralell ANY and/or ALL batteries for starting in an emergency (ie, dead battery or batteries). The beauty of that config is, you turn the 2 on/off switches to ON to use your boat, you turn them off when your done. That's it.

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Old 04-14-2003, 09:50 AM
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Default Please explain wiring diagram for me

Birdman, the problem I have with only being able to parallel the batteries is if one of the cranking batteries shorts out.

No matter how you switch them with the lower selector switch, the shorted battery will still be in the circuit, and you wont be able to crank the motor that way.

Thats why I suggested the selector switches for the motors as well.
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Old 04-15-2003, 09:51 AM
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Default Please explain wiring diagram for me

I have a question on Perko diagram #3. With both switches on off is the house battery off? I know you guys prefer on/off switches and I can see why, however I really only have room for two switches unless I do some serious rearranging. I was thinking of using Perko's diagram #3 with a combiner between each starting bank and the house bank. I figure I always run with both selectors on 1, unless I have a failure. What do you guys think?
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Old 04-15-2003, 11:50 AM
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Default Please explain wiring diagram for me

which one is number 3 again?
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Old 04-15-2003, 12:42 PM
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Default Please explain wiring diagram for me

sorry, I haven't figured out how to post pics yet, but it's on page 2 of this thread (2 engines, two switches, 3 batteries).
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Old 04-16-2003, 04:06 PM
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Default Please explain wiring diagram for me

BTT.
Can someone explain diagram #3? would one of the switches have to be on 2 or both to run my electronics off of house battery?

Basicly, what I want is no more than two switches, each engine running off it's own battery and my electronics off my house battery, and a way to parallel in emergency. Will diagram #3 work for me? any other suggestions?
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Old 04-16-2003, 06:16 PM
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Default Please explain wiring diagram for me

Pirate's Life - RE: your question re Perko #3

It depends on where you hook-up the main lead wire from your electronics breaker panel. If you hook it to one of the COM posts on a switch then that switch would need to be set on 2 in order for the panel to get power from the house battery. If you hook it to either of the #2 posts on the switches then you could leave both switches on #1. Your combiners would take care of charging the house battery.

All that said, if thats how you want to operate why not get rid of the combo switches - all they do is confuse your situation.

28' Maxcat w/twin Honda 225's
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Old 04-16-2003, 07:13 PM
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Default Please explain wiring diagram for me

Special-K... it's good to be anal. This thread has been very informative! Send PICs when you get it hook up. Keep a fire extinguisher handy!

Boston Whaler, "MUMBLER", 24' Outrage, twin 175 HP Evinrude Ocean Pros. Snowball, the cat...
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Old 04-17-2003, 04:33 AM
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quote: Keep a fire extinguisher handy

As funny as that is, it's still sound advise. LOL
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Old 04-24-2003, 10:30 AM
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Default Please explain wiring diagram for me

Chaps,
So it would be OK to hook my main power switch leading to my breaker panel to # 2 post on either of my switches. Currently, both of my # 2 posts lead to house battery (+). If I do it this way, when I turn that switch off will my electronics be off? When I turn that switch to one will my electronics be on? Thanks.
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