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-   -   Increase Alternator Amps?? (http://www.mastercraft.com/teamtalk/showthread.php?t=49835)

Double D 08-01-2012 03:13 PM

Increase Alternator Amps??
 
Need a little insight here.

I have never really thought my alternator was putting out its full capabilities (50 Amps) but I have recently added a second battery with an automatic switch/isolator , two amps, and (4) neon strips. In addition I have Perfect Pass as well.

Two things are happening when the batteries are low: The PP will reset itself when I turn on the neons (Battery #1), and the radio will kick off when I turn it up too loud with thumping (Battery #2). I also know they are low because I throw them on the charger after trips and they show 60%.

So, I plan to get the Alternator rebuilt. The questions I have are:
(1) Should I need to increase the amp output with my current set up?
(2) If I increase the amps, do I need to update any wiring or breakers?

Thanks for your help!

Wired_Right 08-01-2012 03:47 PM

http://pages.ebay.com/link/?nav=item...d=250640576313

Double D 08-01-2012 03:53 PM

Quote:

Originally Posted by Wired_Right (Post 864390)

That thing is BEAUTIFUL!! But I think a bit more than I need.... :confused:

deminimis 08-01-2012 05:58 PM

These guys might be more inline with what you are thinking. http://www.dbelectrical.com/c-7766-indmar.aspx

Double D 08-02-2012 10:32 AM

Guys, I am not planning on buying new. I plan to rebuild what I have.

The questions relate to: should I increase the amps, and if I have to change anything else in the boat if I do that.

Thanks for the help.

timvan 08-02-2012 10:41 AM

the case on your 50a alt isnt big enough to get any more power out of it.
you need a larger alt, period.
I have them custom made, by hand in the USA look in the classifieds

BNIROOSTER 08-02-2012 10:42 AM

I would upgrade the wire from the alternator to the starter/battery to at least 4ga.

Double D 08-02-2012 10:57 AM

Thanks guys! The company that I was planning to have rebuild it said they could increase the amps a bit as long as they could get a particular part. The actual increase is unknown until I take it in.

Quote:

Originally Posted by timvan (Post 864683)
the case on your 50a alt isnt big enough to get any more power out of it.
you need a larger alt, period.
I have them custom made, by hand in the USA look in the classifieds

I'll look.

Quote:

Originally Posted by BNIROOSTER (Post 864684)
I would upgrade the wire from the alternator to the starter/battery to at least 4ga.

I have 4ga wire already. Its what I installed when I put in the second battery.

sp00ky 07-13-2013 01:09 AM

Quote:

Originally Posted by BNIROOSTER (Post 864684)
I would upgrade the wire from the alternator to the starter/battery to at least 4ga.

Can you bypass the the breaker this seems to be the only way to get a 4 gauge cable on.

JimN 07-13-2013 05:31 AM

Quote:

Originally Posted by sp00ky (Post 956500)
Can you bypass the the breaker this seems to be the only way to get a 4 gauge cable on.

Bypass the breaker? Really? Would you do that in your home? A boat can burn down to the waterline just as easily as a house can burn to the ground. Why not just bypass all of the safety measures?


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