[AT] Tractor batteries

[drupert at seanet.com]

Charlie, I can well imagine over the course of time that this has happened
several times, especially in the early to mid 50's when there was a good
mix of the two grounding systems in existence...and I can imagine there
were some guys scratching their heads for awhile -
Dudley

> Agreed Dudley,   I don't know where that thought came from in
> my memory but it was something that happened.  It's possible
> that I'm remembering someone's story about two tractors, one
> + ground, one - ground touching each other with their implements
> in the ground.  That wouldn't work real well.
>
> Charlie
>
> -----Original Message-----
> From: drupert at seanet.com
> Sent: Tuesday, January 21, 2014 2:26 AM
> To: Antique tractor email discussion group
> Subject: Re: [AT] Tractor batteries
>
>> Yeah maybe that's right.
>>
>> Charlie
>>
>> -----Original Message-----
>> From: Ralph Goff
>> Sent: Saturday, January 18, 2014 8:19 PM
>> To: Antique tractor email discussion group
>> Subject: Re: [AT] Tractor batteries
>>
>> On 1/17/2014 2:59 PM, charlie hill wrote:
>>> Am I imagining this or wasn't there a problem back in the day
>>> when someone with a 12V neg ground car touched bumpers with
>>> a 6V positive (or any positive) ground car?  Metal bumpers.  I seem
>>> to remember it was something that had to be taken into consideration.
>>>
>>> Charlie
>> I think only if they were hooking up booster cables to start .
>>
>> Ralph in Sask.
>
>
> Charlie, you have stated two of the three conditions that must exist for
> this problem to occur:  1) two cars must have opposite grounding and 2)
> they must be parked Bumper to Bumper.
>
> Ralph has stated the third required condition and that is the need for a
> Jumper Cable(s) to enter the picture.  The Jumper Cable Operator (if he is
> not aware that the Bumpers are touching or is not aware that it would
> matter if they were) would most likely attach one Cable from the "Positive
> Post" on one Battery to the "Positive post" on the other (and do similarly
> with the other Cable on the "Negative Posts").
>
> If the bumpers are making good contact then one cable should cause an
> electrical short on one of the Batteries (and the other cable should cause
> the same effect on the other Battery).
>
> Dudley
> Snohomish, WA
>
>>
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