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John T and electrical Experts

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IaGary

01-18-2007 15:18:50




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My brother left for Italy, for work and I'm doing his chores.And its the coldest week we've had all winter.

His battery cables are junk on the 856.

He replaced ends with those junky bolt clamp on types.And the cable he used is no bigger than a No.2.

About how many amps does a starter pull?

Or how many watts is a starter?

With only 12 volts the amperage has to be pretty high going thru those cables.Doesn't it?

The sad part is he is an electrician for a steel mill so he should know better.

That's where he and I differ. He fixes to get by and I fix it right.

Been wiggling those ends to make connection and fighting it all week.

Boy will he get an ear full when he gets home but I want to know my facts.

Gary

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Janicholson

01-19-2007 06:29:23




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
Brownie45 is on target with the amps, To carry that much it is necessary to have large "O" gauge wires with soldered on ends. Your choice to fix or fumble around, but I would fix it so I would, both, not have to mess around, and to be a good example. JimN



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Brownie450

01-19-2007 06:01:13




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
I have used one of those "hold against" ammeters to measure current draw on starters, & most starters will pull 400 to700 amps on a 6 cylinder Diesel engine in cold weather. These ammeters are not very accurate, but give a rough indication for testing purposes. I always thought that a starter on a tractor or combine engine in cold weather was very close to a dead short on the battery. Cold weather will bring out the worst in cranking/ignition circuits.

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KEB

01-18-2007 20:23:48




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
Never measured one, but I would guess a starter would draw in the 100 - 200 amp range. Bigger cables are better. Six volt starters draw more current than 12 volt starters, so cables made for a 6 volt system would be heavier.

One quick way to find the immediate problem is to crank the engine for a minute or two & then feel the various connections. A poor connection or a cable that's too small will get hot.

Good luck,

Keith


Another thing that may help is to loosen the clamps holding the cables to the terminal ends

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City-Boy McCoy

01-18-2007 17:50:35




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
I had a brother like that. Once.
mike



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GeneP

01-18-2007 18:46:06




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 Re: John T and electrical Experts in reply to City-Boy McCoy, 01-18-2007 17:50:35  
Brothers are like that. If that's his big problem, dont sweat it. Mine never helped on the farm, but got half of it. Arrested for growing dope down in our creek bottom. 6 marriges between him and his next Ex., Dabbled in full automatic weapons until the FBI took them away. 15+ jobs, now can't work cause he is just too stressed out.
Shut my water off when he got north half of home farm. Had to be threatend with jail in order to get him to pay child support. Haven't talked to him for 3 years and probably never will again.

Pretty sad. We were not raised that way.


Gene

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El Toro

01-18-2007 16:31:55




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
You need battery cables with soldered ends on them. You can make them yourself if you have access to heavy welding cable. Here's several websites where you can buy battery cables. If you have a repair shop in your area that repairs these truck tractors on the highway, they will have heavy battery cables too. Hal


Link


http://www.classicandexotic.com/catalog/electrical/misc0028.htm

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JayWalt

01-18-2007 16:12:59




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
Use at least 0 gauge. It never hurts to have too thick of a wire =) Yes those bolt on battery clamps are junk. They are ok for use as backups but gettem replaced properly soon before they corrode!! =P

As a side note. I recently had the great opportunity to see something I hate. These newer cars, the battery cable clamp is some sort of zinc coated sheetmetal clamp!! Utter JUNK!!



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F-Dean

01-18-2007 15:28:37




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 Re: John T and electrical Experts in reply to IaGary, 01-18-2007 15:18:50  
Take the old cables off and go to your local battery store (Look in the Yellow Pages for _____ __ Battery) for some custom made cables. They will know the correct guage, crimp the ends for you and cover the ends with "heat shrink" to prevent shorts. Add the cost to your brother's bill!



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IaGary

01-18-2007 15:44:38




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 Re: John T and electrical Experts in reply to F-Dean, 01-18-2007 15:28:37  
LOL Add to brothers bill. HAHAHA

I can fix it but then I don't get the satisfaction of him having troubles when he gets home on Sunday.

Then I can say if you would fix it right you wouldn't have the problems and save your chore boy some grief.

But yes sir that is the way to fix it right.

Gary



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