Factory Battery Cable Guage - Defender Source
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  #1  
Old January 27th, 2005, 04:10 PM
javelinadave
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Factory Battery Cable Guage

Anybody know what guage the factory battery cables are? Thanks.....

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Anybody??????
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  #2  
Old January 27th, 2005, 04:11 PM
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I would guess 8, maybe 6 or 4? If I was to replace them I would use 4 as it would be an upgrade.
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Old January 27th, 2005, 06:06 PM
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Actually I think its 2 gauge...I recently put in a 2nd battery and isolator and tried to match up with the stock stuff.
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Old March 8th, 2005, 01:30 PM
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Rule of thumb

What's the rule of thumb for wire gauge and battery cable? I've been looking at replacing my battery cables, and I've found a source for 1/0 and 2/0 gauge cabling.
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Old March 8th, 2005, 01:51 PM
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The thicker the better with one caveat. The thicker the cable the stiffer it is. I used 1/0 for my winch and it was about like bending re-bar! I would say the 2 or 4 gauge would definitely get the job done. Warn Winches come with 2 gauge for their wiring kits.
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Old March 8th, 2005, 02:00 PM
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Mike J is right I looked at them last night and they are a little bigger then the 4 gauge wire I have so it must be 2. I would replace with the same or better.

Some info

at 15 feet long and 12 vdc
8 awg can handle 96 amps
6 awg can handle 155 amps
4 awg can handle 246 amps
2 awg can handle 403 amps
0 awg can handle 511 amps
00 awg can handle 645 amps
000 awg can handle 1039 amps

Wires longer handle less and shorter can handle more.
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Old March 8th, 2005, 02:41 PM
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If you get welding cable (instead of battery cable) it is much easier to bend and handle. Sizes are easily available up to 4/0.

This site has a decent and applicable chart for wire sizing in a vehicle.
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Old March 8th, 2005, 04:20 PM
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Quote:
Originally Posted by Red90
If you get welding cable (instead of battery cable) it is much easier to bend and handle. Sizes are easily available up to 4/0.
I got welding cable 1/0 guage when I hooked up my winch. No worries on routing it, it was more than flexible enough.
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Old March 8th, 2005, 05:13 PM
BarryO
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The stock stuff looks like 2.

One thing to keep in mind for winch wiring. The cable lengths will be a bit longer on a D90 than in other rigs, since the battery is mounter further away. Thus you want to use a larger guage than you use in other vehicles, all other things being equal. I used #1 in mine.

And don't forget that cut-off switch...
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