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Location of regulator


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#1 Phluphy OFFLINE  

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Posted December 18, 2015 - 07:10 PM

!8 hp B&S stopped charging this a.m.  Manual sez it could be alt or regulator. Know where alt is but...where do I find the regulator?  Once again, all was fine, when it was shut off..restarted this morning and amp needle stays in discharge area, won't go up to charge indication at all, plus, it's running rough as heck.

Ideas? 917.255919 Craftsman II GT with 18 hp B&S.



#2 boyscout862 ONLINE  

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Posted December 18, 2015 - 07:17 PM

First, I would clean all the electrical connections in the charging / starting circuits. Good Luck, Rick


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#3 larrybl ONLINE  

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Posted December 18, 2015 - 08:08 PM

This doesn't have a regulator, it has a dual diode, which is located under the dash. Follow the single alternator wire. I would suspect the key switch also.

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#4 jms180 OFFLINE  

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Posted December 18, 2015 - 08:09 PM

looking at the wiring diagram for your model there is only a diode to change the ac voltage from alternator to dc voltage to charge the battery. There should be a lump in wire coming from alternator this will be the diode. There is no voltage regulator showing on the diagram.

 

Oops Larry beat me on this one. Thanks with picture also


Edited by jms180, December 18, 2015 - 08:10 PM.

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#5 KennyP ONLINE  

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Posted December 18, 2015 - 08:09 PM

From what I can see in the manual, page 29, this has diodes instead of a regulator.

 

You guys beat me to it!


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#6 larrybl ONLINE  

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Posted December 18, 2015 - 08:20 PM

If it is the diode assembly, you can roll your own with a few connectors and pins, heat shrink, and a pack of diodes (orientated properly)

 

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#7 larrybl ONLINE  

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Posted December 18, 2015 - 08:29 PM

Here is the diagram, the manual can be found in the site manual area.

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#8 Phluphy OFFLINE  

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Posted December 18, 2015 - 11:41 PM

From what I can see in the manual, page 29, this has diodes instead of a regulator.

 

You guys beat me to it!

Evidently I have the same manual and page 29 does show a diode but...if you go to the trouble shooting section...regulator is mentioned. 



#9 Phluphy OFFLINE  

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Posted December 18, 2015 - 11:42 PM

Here is the diagram, the manual can be found in the site manual area.

Thanks...will be digging into it again tomorrow. 



#10 Phluphy OFFLINE  

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Posted December 18, 2015 - 11:44 PM

If it is the diode assembly, you can roll your own with a few connectors and pins, heat shrink, and a pack of diodes (orientated properly)

If necessary...yet another bit of knowledge added to this antiquated brain.  

Thank you



#11 Phluphy OFFLINE  

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Posted December 18, 2015 - 11:48 PM

This doesn't have a regulator, it has a dual diode, which is located under the dash. Follow the single alternator wire. I would suspect the key switch also.

Been contemplating the switch...again. That thing has been a pain for weeks, one way or another.  I do not recall seeing the dual diode you mention but, anything over 5 minutes ago is forgotten anyway.  Will check that tomorrow.

 Thanks


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#12 Phluphy OFFLINE  

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Posted December 19, 2015 - 04:47 PM

This doesn't have a regulator, it has a dual diode, which is located under the dash. Follow the single alternator wire. I would suspect the key switch also.

Right you are! Checked mine...identical to yours...dual. Now to wait for warm weather, hands don't like cold air, and start checking things out.

Once again, thanks a lot.



#13 Phluphy OFFLINE  

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Posted December 26, 2015 - 01:01 PM

Turns out it does charge. Noticed when the amp needle was indicating charge. Turned the engine off and tried starting with key switch, it worked. Bit later tried again to start with switch...nothing again.

Thinking it's a bad connection but am unable to figure out which wire to check.

Here's what I have to work with, anyone have a suggestion which wire would be involved?

Capture.JPG



#14 larrybl ONLINE  

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Posted December 26, 2015 - 02:01 PM

I would suspect the following, in this order.

1. Key Switch Connector Disconnect it and clean the connector with something like this.

2. Fuse Connector and connection, clean with the above.

3. Amp meter connections, Disconnect (-) battery terminal, remove amp meter connectors and clean with same. 

4. Key Switch, Replace if still having issues, make sure it is the correct type!

 

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#15 KennyP ONLINE  

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Posted December 26, 2015 - 04:43 PM

Turns out it does charge. Noticed when the amp needle was indicating charge. Turned the engine off and tried starting with key switch, it worked. Bit later tried again to start with switch...nothing again.

Thinking it's a bad connection but am unable to figure out which wire to check.

Here's what I have to work with, anyone have a suggestion which wire would be involved?

attachicon.gifCapture.JPG

The starter solenoid on Alice likes to act up occasionally. If I move the small wire from the switch at the solenoid, it will do fine for a while. Could be something like that if it doesn't turn over at all.


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