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Show Parts for Model:

voltage regulator 12 volt

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Author  [Modern View]

02-10-2013 04:19:39

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can any one tell me what the forth wire is for under the regulator on a farmall with a generater on it.

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John T

02-10-2013 05:58:38

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 Re: voltage regulator 12 volt in reply to ih54, 02-10-2013 04:19:39  
Yeppers (post below) and it seems MOST 4 terminal (BAT LOAD FLD GEN/ARM) Voltage Regulators have the GEN/ARM either off on one corner all by itslef or else underneath. If hidden underneath hard to get to I tell people to Polarize by jumping from BAT on VR direct down to the Gennys ARM post. The 3 terminal (BAT FLD GEN/ARM) VR"s that dont have the LOAD terminal feed lights and ignition instead from the ammeters Load (NOT to battery/starter) side terminal...

John T

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gene bender

02-10-2013 05:53:52

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 Re: voltage regulator 12 volt in reply to ih54, 02-10-2013 04:19:39  
What are the other three marked. Thats not an original reg. The four should me marked F,BATT,GEN,and L

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John T

02-10-2013 06:13:15

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 Re: voltage regulator 12 volt in reply to gene bender, 02-10-2013 05:53:52  
Usually BAT LOAD and FLD (or BAT FLD LOAD) are together side by side and labeled while GEN or ARM (sometime no label) is underneath. Bob M and Jimbo are smarter then me on practical hands on stuff although Im knee deep in theory lol

John T

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02-10-2013 05:35:19

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 Re: voltage regulator 12 volt in reply to ih54, 02-10-2013 04:19:39  
goes to Armature post on generator

Four terminals on regulator are:
F Field to field post on generator

Bat to ammeter and then to battery

L Load goes to input of ignition and/or light switches

A or Gen to Armature on generator

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