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6 volt or 12?


 
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Code3TJ
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Joined: 01 Jan 2004
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PostPosted: Tue Feb 10, 2004 4:09 am    Post subject: 6 volt or 12? Reply with quote

How do I figure out if my '48 CJ2A has a 6 volt or 12 volt electrical system? I know that 1948's were supposed to be 6 volts, but I don't know if it's been converted somewhere along the line. The last owner gave me a blank stare when I asked and there's no battery in it. Anybody know what to look for? Confused
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DozerDan
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Joined: 03 Jan 2004
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PostPosted: Tue Feb 10, 2004 7:41 pm    Post subject: Reply with quote

Got a voltage tester?

Got an alternator? any markings onit? or at least a pn?
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Code3TJ
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PostPosted: Tue Feb 10, 2004 10:20 pm    Post subject: Reply with quote

Long story short, yes I have the alternator which is now sitting on the floor because I changed the water pump today. I'll look more closely at it in the morning.
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flathead45
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Joined: 17 May 2004
Location: wisconsin

PostPosted: Tue May 18, 2004 4:21 pm    Post subject: Reply with quote

I noticed there is no real answer to this so I'll post one for future referance


pull out a light bulb and look at it to see if its 6 or 12 , how ez'er can it get?
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Code3TJ
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PostPosted: Tue May 18, 2004 4:47 pm    Post subject: Reply with quote

That's what I ended up doing. Wink
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St.LJustin
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Joined: 17 Jan 2004

PostPosted: Sun May 23, 2004 9:50 pm    Post subject: Reply with quote

So what was it? The 56 CJ-5 I have is a 12 volt, but I was wondering, are there any downsides to the 6 volt system?
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Code3TJ
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PostPosted: Sun May 23, 2004 10:20 pm    Post subject: Reply with quote

Oh sorry. Embarassed It's a 12 volt system that I have. I think the biggest thing is the ease of finding parts/lights/batteries/etc.
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flathead45
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Joined: 17 May 2004
Location: wisconsin

PostPosted: Tue May 25, 2004 12:43 pm    Post subject: Reply with quote

the down side to 6v is lack of cranking power to the starter
I've driven three 6v vehicles , one a 49 chevy truck, a 54 hudson hornet , and a 45 harley wla
nether one of the four wheelers had a lot of cranking power , and the chevy was dead any time the temp droped under freezing
and all three suffered from lack of lighting , the light from the wla was no more than a muddy brown spot on the road 15 feet in front of me

but on the other hand 6v does make a normal boring trip much more interesting Wink
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