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jeeptj1
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Joined: Aug 20, 2010
Posts: 143
Location: Illinois
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 Posted: Wed Jul 02, 2014 2:53 pm Post subject: Which battery cable to disconnect ! |
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| So I'm thinking about changing my gauges for the new repro ones.(they are rusty inside) Can I unhook any of the battery cables to kill it so I don't fry anything or is there a certain one that has to be undone. Thanks John jr |
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RICKG
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Joined: Aug 31, 2010
Posts: 1741
Location: SO IDAHO
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| Posted: Wed Jul 02, 2014 3:21 pm Post subject: |
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Assuming youre still 24v, running (2) 12v batts you always disconnect
the negative cable FARTHEST from the starter. Or in other
words the neg that goes to your frame ground.
Do yourself a favor and indicate jeep type in your signature 
Check it out John, I joined this outfit 1 day after you..
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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jeeptj1
Member
Joined: Aug 20, 2010
Posts: 143
Location: Illinois
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| Posted: Wed Jul 02, 2014 5:30 pm Post subject: |
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| Sorry my bad, 52 m38 24 volt. One day difference and I don't know what battery to disconnect yet. Lol. Thanks |
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kenperkins
Member
Joined: Apr 14, 2005
Posts: 285
Location: Livermore Ca.
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| Posted: Wed Jul 02, 2014 6:19 pm Post subject: |
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negative cable under hood battery
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'51 M38 #22936,
'51 M100 Dunbar
#01164782
'53 M100 Dunbar
M416b1
2- M762
MVPA #11788
MVCC LIFER |
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oilleaker1
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Joined: May 14, 2009
Posts: 972
Location: South Dakota
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| Posted: Thu Jul 03, 2014 12:51 pm Post subject: |
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| The ground cable that goes to the frame is the safe one to disconnect. On a stock M38, it's the one at the front of the under hood battery box that bolts to the front of the battery mount. Now, when reconnecting, you will get a small spark and then nothing. That is caused by a capacitor in the voltage regulator. |
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RICKG
Member
Joined: Aug 31, 2010
Posts: 1741
Location: SO IDAHO
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| Posted: Thu Jul 03, 2014 1:02 pm Post subject: |
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Here's a neat disconnect I installed to my M38. Not by any means stock or correct, but it's quick and handy. I use it every time I mess w/the
electrical sys.
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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Bretto
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Joined: Nov 24, 2010
Posts: 1390
Location: Orem, UT
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| Posted: Thu Jul 03, 2014 1:26 pm Post subject: |
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Rick, that's discreet. I know you added this and I'm thinking you mentioned, at one point its origin but where did you get that?
_________________
Brett
'51 M38
PHOTO DIARY OF MY BUILD |
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RICKG
Member
Joined: Aug 31, 2010
Posts: 1741
Location: SO IDAHO
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| Posted: Thu Jul 03, 2014 1:56 pm Post subject: |
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| Bretto wrote: | | Rick, that's discreet. I know you added this and I'm thinking you mentioned, at one point its origin but where did you get that? |
"Grumpy John" @ MWM had some a while back.
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keep 'em rollin'
RICKG MC 51986 DOD 01-52, '50 CJ3a |
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