HT3813 won't hold a charge

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  #1  
Old 05-13-10, 12:29 PM
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HT3813 won't hold a charge

My Honda HT3813 won't hold a charge.

What do you think.

1.Rectifier, Regulator
2.Charging Coil

Can I check them with a volt meter?

Thanks for any help you can provide.
 
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  #2  
Old 05-13-10, 03:14 PM
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Does it charge the battery when the engine runs?? Than is it dead the next day??? It may be what you suggested or it may just be the battery... How old is the battery & does it discharge with the engine off & the battery disconnected??? What are the volts in the battery with the engine running @ full speed??? Let us know & we'll take it from there... Roger
 
  #3  
Old 05-13-10, 04:03 PM
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No charge

If it is indeed the rectifier, I bought 2- 6 amp radio shack rectifiers for about less than 5 bucks, wired them in parellel, because Honda wanted around $180. for a replacement. I wouldnt do this for a car or an airplane, but it is fine for a lawn mower, and it has been working so far 5 years.
Sid
 
  #4  
Old 05-13-10, 10:44 PM
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If it charges but won't hold a charge, then it's probably neither of your guesses. I am with hopkinsr2, I check battery voltage with engine running at full throttle. If the battery is over 2 years old, it's probably just the battery.
 
  #5  
Old 05-14-10, 04:26 AM
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Thanks everyone, I will have to check out the battery then. It was a Walmart battery....I forget who makes their batteries but it was replaced only a few months back after the winter time.....bad one maybe?

Will check running voltage etc...etc this weekend.

Do you think it would run for long IF the battery was fully charged but the charging system wasn't working? A friend said he didn't think I would even get on pass made with it before the battery was fully drained and the tractor would die.

Thanks Again Guy's.
 
  #6  
Old 05-14-10, 06:51 AM
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CDI ignition... No battery needed... Roger
 
  #7  
Old 05-14-10, 06:59 AM
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The battery has no effect on runing of the mower. Battery is used for starting the engine, running headlights, and electric clutches if so equiped. Once the negine is started, it will run just fine with a dead battery.
 
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Old 05-14-10, 07:51 AM
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A fully charged battery should hold up long enough to do some mowing. When and if the battery died and no charging, you would loose the PTO and fuel delivery.
 
  #9  
Old 05-25-10, 06:39 AM
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Thanks for all the help guy's, looks as though I did have a bad battery.

All is good so far!

Thanks again!
 
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