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Old 03-03-2022, 09:05 PM   #1
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Default 444 generator wiring

Customer supplied a non bosch voltage regulator so I don’t have a diagram on how it is wired. Any ideas?
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Old 03-03-2022, 10:36 PM   #2
planetman
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Is this for a 6V generator?

Can you post pictures of the connections and markings on the regulator?
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Old 03-04-2022, 08:49 PM   #3
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Generator was upgraded to 12 volt. ? I don’t know how.Thanks for your help. Regulator info tomorrow. Any luck on the wiper pivot bushings?
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Old 03-04-2022, 09:35 PM   #4
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FYI: Greenbook TP10867-1_1974_140_section_3_electrical.pdf (ozvolvo.org/archive/) has wiring info for several different alternator and external regulator combos. Maybe one of them is close enough to your setup.
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Old 03-07-2022, 09:51 PM   #5
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Regulator is a Niehoff. Left terminal is ARM center is FLD right is BAT. There is also a large black wire with a eyelet. It looks like it could connect to the ignition switch. Thanks for the help.
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Old 03-08-2022, 12:50 AM   #6
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I'm not familiar with Niehoff regulators for a generator, but I'd guess the connections should be:
ARM (armature) to generator D+ bolt
FLD (field) to generator DF bolt
BAT (battery) to battery +12v post directly (not through ignition switch)
Black wire to regulator mounting bolt to chassis ground (clean the paint off and/or clean the bolt head)

I don't know where the dashboard generator light connects.
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