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Electric Club Car Electric DS, and Precedent golf cars |
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07-26-2014, 12:23 AM | #1 |
Not Yet Wild
Join Date: Sep 2009
Location: NW Arkansas
Posts: 10
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1/0 wire too big for batt connections?
Hello all,
I believe this to be my first post although I joined up a few years ago when I bought an old Yamaha gas rig. It and the blue smoke are gone. Just purchased a 2011 Precedent and am enjoying it daily. I read several posts about upsizing battery connection wire to 4 or 2 ga. I had a 60" length of 1/0 fine stranded laying around (I think it's a piece of welding lead) and several single hole terminals, so I made up new battery to battery connections. As I was installing these today, I started thinking about fault current and other horrendous things, so thought I would ask; am I oversized on the wire? Is the original battery connection wire (looks like #6) designed to burn open before a battery fire? Not anticipating a disaster, but just concerned I may have just circumvented a fuse link by replacing the original straps; or is the biggest / least resistance connections all good? I realize 1/0 is overkill, but I was out no money on the material. It was shop scrap I had hanging on a nail. Also had a surging issue I solved with a key-off exercise of the "go" pedal. An MCOR(?) problem? I found the solution here on BGW forum, but am I going to be buying parts soon or is the pedal exercise solution good for a while? |
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07-26-2014, 08:14 AM | #2 |
Gone Wild
Join Date: Sep 2012
Location: Savannah, GA
Posts: 2,760
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Re: 1/0 wire too big for batt connections?
The factory high current is not designed as a protection fuseable link. Although 1/0 is a bit large there is nothing wrong with using it. Most people upgrade to 4 AWG or 2 AWG so 0 AWG isn't too large, just a bit harder to work with and fit.
If you only replaced the battery jumpers you are not done yet, all the high current cable should be upgraded for most improvement. |
07-26-2014, 09:19 AM | #3 |
Gone Wild
Join Date: Feb 2011
Location: Chattanooga TN
Posts: 2,105
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Re: 1/0 wire too big for batt connections?
In case you don't know. 1/0 wire won't fit through the hole in the OBC. There is a work around by using a bolt.
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07-26-2014, 09:35 AM | #4 |
Gone Wild
Join Date: Jan 2014
Location: Lafayette, Louisiana
Posts: 1,677
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Re: 1/0 wire too big for batt connections?
You're going to have to deal with space issues at the solenoid and controller, unless your building a race cart I wouldn't go larger than 1g just being practical. Is it bad to go larger, no.
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07-26-2014, 09:54 AM | #5 |
Not Yet Wild
Join Date: Sep 2009
Location: NW Arkansas
Posts: 10
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Re: 1/0 wire too big for batt connections?
I thought the last jump from batteries to motor controls would be in order to gain full benefit. I'm out of 1/0 now, so will buy a couple lengths of 2 ga. for the final connection.
Any noticeable performance difference, or just optimum charge / discharge / low heat loss? Last edited by Remus Redbone; 07-26-2014 at 09:56 AM.. Reason: Spelling |
07-26-2014, 10:08 AM | #6 |
Gone Wild
Join Date: Jan 2014
Location: Lafayette, Louisiana
Posts: 1,677
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Re: 1/0 wire too big for batt connections?
Going from 6g to 2g you will get better torque under load. If you use 2g to motor and 1/0 across batts. Then you can consider that 2g is your smallest restriction, your cables have to go through the solenoid and controller also otherwise no true benefit.
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07-26-2014, 04:42 PM | #7 |
Not Yet Wild
Join Date: Apr 2014
Location: Idaho
Posts: 29
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Re: 1/0 wire too big for batt connections?
Besides battery cables, what other cables should be replaced on a 1995 48volt.
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07-26-2014, 09:17 PM | #8 |
Not Yet Wild
Join Date: Jun 2014
Location: Shreveport, La
Posts: 7
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Re: 1/0 wire too big for batt connections?
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