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Tractor Talk Discussion Forum

Altwrnators

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DeltaRed

09-12-2017 06:58:54




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I just looked at the illustration of the delco 10si alternator. Pretty straight foreward.Drew a picture of it for future reference,too. But I am wondering?Where is the voltage regulator? Or does this alternator not use a regulator?Im, familiar with the one wire types,but not this one.Can someone explain? Thanks,Steve




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teddy52food

09-12-2017 19:04:27




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 Re: Altwrnators in reply to DeltaRed, 09-12-2017 06:58:54  
Regulator is last part out & 1st part in when you are working on them.



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JMOR

09-12-2017 11:45:39




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 Re: Altwrnators in reply to DeltaRed, 09-12-2017 06:58:54  
Quoting Removed, click Modern View to seeActually, even the GM/Delco 3-wire VR inside the 10-SI drains that battery 24/7.............but it is so small a current that it will take a VERY long time to discharge it. I have measured aftermarket 1-wire units with as much as 2 1/2 times the original equipment drains. Still a long time to discharge a battery.



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D beatty

09-12-2017 07:26:15




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 Re: Altwrnators in reply to DeltaRed, 09-12-2017 06:58:54  

Here's a photo of diagram that I found. I have a 6 volt Delco 10si alternator on My Farmall B and had wire it different than what is in the photo because it has a magneto.Mine the regulator is in alternator.



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rvirgil_KS

09-12-2017 10:42:18




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 Re: Altwrnators in reply to D beatty, 09-12-2017 07:26:15  
There appears to me to be an error in the diagram. I see the + on volt meter being connected to the always hot battery/alternator/switch supply connection at the start solenoid. This will cause volt meter to run continually.

Voltmeter + connection should be moved to switched output at either switch or + on ignition coil so voltmeter will turn off with ignition switch.



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JMOR

09-12-2017 07:18:49




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 Re: Altwrnators in reply to DeltaRed, 09-12-2017 06:58:54  
Quoting Removed, click Modern View to seescrews into rear housing in exactly same position as does the one wire reg.



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DeltaRed

09-12-2017 07:23:16




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 Re: Altwrnators in reply to JMOR, 09-12-2017 07:18:49  
So no external regulator is required?



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Jon Hagen

09-12-2017 08:55:18




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 Re: Altwrnators in reply to DeltaRed, 09-12-2017 07:23:16  
No external regulator required, the regulator (1 or 3 wire)is built into the alternator rear frame. Also the one wire alternator will not discharge your battery as some falsely claim. The one wire components have no connection to the battery so will no more discharge your battery than will the 3 wire versions.



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Used red mn

09-12-2017 10:20:21




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 Re: Altwrnators in reply to Jon Hagen, 09-12-2017 08:55:18  
The component that the 2 wires plug into on the side of the "alternator" is the internal regulator. See link.

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