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Hot battery cable

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AA

03-19-2001 22:01:59




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Yesterday I was discing and eventually ran out of gas. When I refilled my 8N (front mount, 6 volt) with gas it barely turned over ... not enough to start the tractor. I opened the top and saw a bit of smoke coming from the positive (ground) cable and when I touched the cable it was very hot. The cable on the negative side (to starter) was cool to the touch. Do I have a bad battery, need a new positive (ground) cable, or something else? Note: Afterwards, I took the battery and charged it up, put it back in the tractor, and it started up. I didn't turn it off until I was done with my work and haven't tried starting it again. Any info/tests you all might suggest are appreciated. Thanks.

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Larry 8N75381

03-20-2001 10:10:22




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 Re: Hot battery cable in reply to AA, 03-19-2001 22:01:59  
The original cable to ground was a braided uninsulated cable about an inch wide. You can still get these cables at TSC and Central Tractor (usually they are in stock). AND BE SURE they are #2 or better - even though they are uninsulated they are made to a specific wire size - should be listed on package/lable/etc.

Remember, where there is resistance there is heat(ing). And in most cases, heat makes the resistance higher, thus creating more heat. It is a down hill spiral. Your starting the engine would have put the MAX current thru the cable - therefore MAX heating of the cable, or point of resistance. Those copper cables carry heat just as well as they carry electricity. Just try soldering on a lug to one of the BIG cables and you'll find out quickly how fast and far the heat will carry. So it is no wonder that the whole cable felt hot.

We need at add BIG to Dell's mantra of "clean, tight, and bright". :-)

Regards,
Larry

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AA

03-20-2001 08:37:44




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 Re: Hot battery cable in reply to AA, 03-19-2001 22:01:59  
Thanks for all the responses. I'll check all the connections tonight after work (my day job). I'm probably due for a new battery cable(s) too.



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Scott(Ks.)

03-20-2001 11:30:02




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 Re: Re: Hot battery cable in reply to AA, 03-20-2001 08:37:44  
There is a battery store here that fabricated me two new heavy cables in just the right length for $7.00 a piece. You might call around, it worked really well for me.



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Bill(NC)

03-20-2001 04:30:21




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 Re: Hot battery cable in reply to AA, 03-19-2001 22:01:59  
If the starter ran with a good speed after you replaced the battery, you probably fixed a loose connection at the battery. If the starter still runs slow, then you might have a bad connection at the other end of the cable. Also, I have seen acid corrosion creep up the cable under the insulation and effectively reduce the size of the wire. This is difficult to see, but if there has been a lot of corrosion on the post for a good while, you could be suspicious.

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Tom-Pa

03-20-2001 04:05:49




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 Re: Hot battery cable in reply to AA, 03-19-2001 22:01:59  
To continue just a bit further with Dell's mantra of clean, tight, and bright, make sure your cable is a minimum of 2/0 sizeor larger. Smaller cables for 12 volt, just do not hack it for 6 Volt systems...good luck Tom-Pa



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swavo

03-20-2001 03:42:01




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 Re: Hot battery cable in reply to AA, 03-19-2001 22:01:59  
after reading this board for many moons I've learned the six volt mantra from the tractor profit Dell it goes, "clean, bright, and tight"(this refeers to all electrical connections)
Mike



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Duane

03-19-2001 22:16:13




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 Re: Hot battery cable in reply to AA, 03-19-2001 22:01:59  
It sounds like a bad conection. It could be where the wire connects, or at the post. My nickels worth,Duane



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