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Super C Battery Backwards?

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Bill H

03-14-1999 19:32:10




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I recently purchased a Super C that starts and runs great. The only problem is that the generator does not function. It also appears that someone installed the battery backwards; negative instead of positive ground.

Could this be the reason the generator is not working? I see this as the quickest and easiest fix; if it is the problem.

Am I apt to burn something out by correcting the polarity of the ground?

Are there any quick tips to diagnosing a generator problem?

Thanks in advance for any insight...

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charles hart

03-15-1999 18:46:44




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 Re: Super C Battery Backwards? in reply to Bill H, 03-14-1999 19:32:10  
I am not sure but you may have manuel voltage regulator in that case it would show minimal charge with the switch on off position the next turn of the light switch would change to high charge.



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Curt Cooke

03-15-1999 05:51:11




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 Re: Super C Battery Backwards? in reply to Bill H, 03-14-1999 19:32:10  
Hopefully you'll get some responses from smarter people than me but here goes. The starter will work fine with the ground either way, 6 Volts, 8 Volts, 12 Volts - it doesn't care. You won't burn anything up by correcting the polarity. Quick check? Get your battery turned around, make a light work so that when you turn on the switch there's a draw, observe the amp gauge, it should show discharge. This test will tell you if the wiring in the dash is correct. Polarize the generator, check to see that the wire connected to the Bat terminal on regulator is live, run the tractor, observe the amp gauge. If there is no charge, open the cover on the regulator (cut-out)and phsically close the contacts, observe the amp gauge. If all has failed so far, attach a lead wire from the F terminal on generator to the ground strap of the battery, observe the gauge. Again physically close those contacts. If at this point the contacts do not stay closed and no amps are registered and the wiring is right, the generater is a goner.

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Bill H

03-18-1999 19:18:35




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 Re: Re: Super C Battery Backwards? in reply to Curt Cooke, 03-15-1999 05:51:11  
Thanks for all the ideas...

Your comment about using the lights to provide a discharge through the meter, got me thinking. Someone has rewired the lights around the original switch directly to the battery. I wonder if I have wiring problems behind the instrument panel that could be disrupting the circut from the generator to the battery.

I'll be digging into it Saturday. How's the best way to get behind the instrument panel? I don't see any bolts visible. Do I have to remove the battery box to get in there? (I'll be doing that anyway to turn the battery around.)

I'd like to eventually fix the switch and rewire the lights closer to it's original state. What's the best source for wiring diagrams?

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JOE

03-14-1999 23:29:25




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 Re: Super C Battery Backwards? in reply to Bill H, 03-14-1999 19:32:10  

IF THE ENGINE CRANKS UP AND RUNS FINE THE BATTERY MUST BE IN PROPERLY OR IT WOULDN'T CRANK
IWOULD CHECK TO SEE IF THE GENERATER IS GOOD



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Tom

03-15-1999 23:42:03




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 Re: Re: Super C Battery Backwards? in reply to JOE , 03-14-1999 23:29:25  
The starter will work correctly regardless of whether you hook the battery up with a positive or negative ground.



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Ludwig

03-17-1999 11:25:25




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 Re: Re: Re: Super C Battery Backwards? in reply to Tom, 03-15-1999 23:42:03  
Yep, right on.
I ran a Super M all last summer mowing about 4 hours every day with the battery in backward.

So you know, my Super M will run about 12 hours including maybe 6 starts, 3 of those cold on one 6 volt battery. Not running the lights...

Most of the time I took the battery home and charged it each night, but I was curious...



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