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Re: CCA ??? 6 volts in series or 12 volt in parralel???


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Posted by Texasmark1 on December 04, 2018 at 16:27:34 from (172.242.9.56):

In Reply to: CCA ??? 6 volts in series or 12 volt in parralel??? posted by JD Seller on December 03, 2018 at 20:57:28:

My story is simple and requires no physics nor math explaining Ohms Law. I had a 4230DC with a 6 volt on the right, grounded to the engine block on that side with a 0 sized wire and another 0 strung across to another 6 volt on the left which continued on to the starter solenoid.

I replaced that with a 12v battery on the right side, plumbed across to the left side with 2 ea 00 wires connecting in parallel to the battery adjacent to the starter.

The negative of that battery went to and under a starter mounting bolt with another 00 since I had it handy after I pulled the bolt out and shined everything up real nice ensuring that the ground (-) lug was in good tight contact with the starter case.

The positive of that battery went with a fourth 00 over to the starter solenoid ⅜# copper input terminal.

As a result, the use of a starting enhancement mechanism, even on the coldest days was gone forever. I bought the batteries at a nearby OTR truck dealer who stocked heavy duty size 31S (S for ⅜" stud terminals) rated 925 CCA each....just bought another one from the same dealer this past week for a different tractor, with trade, farm tax exempt, 75 bucks.....that's US $ quantity 75! He had a skid full of them sitting right there in the lobby, probably 100 easily......volume purchasing as OTR trucks each use half a dozen (BTDT) means lower pricing for the purchasing public.


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