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#1448576 Mon Apr 18 2022 02:30 PM
Joined: Feb 2011
Posts: 952
R
rickmg Offline OP
'Bolter
1939 6 volt, 3 brush generator, voltage regulator. The amp gauge is usually pegged over to the high charge side when running. Exception would be when I turn on the lights. Input from you folks would be helpful.

Rick

rickmg #1448583 Mon Apr 18 2022 03:48 PM
Joined: Feb 2004
Posts: 24,558
H
Kettle Custodian (pot stirrer)
What's the voltage at the battery posts after running a while? If it's over 7.5, the voltage regulator points are stuck (the coil behind the Field wire) or there'a a grounded spot sonewhere in the field wire between the generator and regulator. It's also possible the battery just has a low state of charge and the generator is trying to recharge it. That would require driving for several hours without running the starter. Charge the battery overnight or longer and see if the problem goes away.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
rickmg #1448585 Mon Apr 18 2022 04:46 PM
Joined: Jun 2004
Posts: 8,541
W
'Bolter
A 3 brush gen. does not use a voltage reg. 1939 models did not use a 3 brush gen. You may have a mismatch of parts there.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.

1972 Chevy c10 Cheyenne Super
rickmg #1448587 Mon Apr 18 2022 04:50 PM
Joined: Feb 2004
Posts: 24,558
H
Kettle Custodian (pot stirrer)
George, some Delco 3 brush setups used a 2-unit regulator- - - -cutout relay and voltage, no current regulator. I've got a Delco service manual from the early 1950's that covers that system and a bunch of others including the heavy duty 6-unit regulators used on the 24 volt military rigs.
Jerry


"Freedom's just another word for nothing left to lose"
Kris Kristofferson

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!

WAG MORE- - - - - -BARK LESS!
rickmg #1448599 Mon Apr 18 2022 07:46 PM
Joined: Jun 2004
Posts: 8,541
W
'Bolter
I had never run into that. A guy is never too old to learn.
George


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.

1972 Chevy c10 Cheyenne Super
Wrenchbender Ret. #1448609 Mon Apr 18 2022 09:31 PM
Joined: Apr 2022
Posts: 3
D
Moderated
Jerry:

I would love to converse with you on some generator controller issues. I'm too new here to be able to PM you.

Dave


Moderated by  Rusty Rod 

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