(800) 853-2651
SHOP NOW

voltage regulator wiring diagram

"A" or "ARM on regulator to "A" on generator.

"F" or "FLD" on regulator to "F" on generator.

"B" or "BATT" on regulator to ammeter. Other side of Ammeter to ungrounded battery cable at solenoid or starter switch.

Battery goes to one ammeter terminal. Regulator output and ALL electrical loads go to other side of ammeter.

Polarize generator BEFORE startup
by momentarily jumpering "BATT" and "ARM" at regulator.

If ammeter reads backwards, swap wires between the two terminals.
 
not sure where A is on the generator and where F is on the generator can't tell. Not sure which ones which. The 3 Poles on the voltage regulator are not labeled and I have lost the paper work for it.Does the generator its self need grounded to the frame?
 
YES the Gennys case needs a good ground to case frame.........

If you have a good (at very low ohms measurements) ohm meter and the genny is correct and good internally, heres how to tell which is ARM and which is FLD.

Put meter on low ohms scale,,,,,,,,attach one lead to case frame,,,,,,,the ARM should read near zero ohms very low ,,,,,,The FLD post will read around maybe 3 to 4 ohms higher then that on ARM post......

On some gennys the ARM post is a tad bigger in diameter then the FLD post......

No A or F stamped on the case?????????

That help???????? John T
 
Silly me, I forgot your VR question, heres how to tell which post is which on a good working VR using an ohm meter.

Put one lead to the case frame on the VR,,,,,

The BAT terminal should show no continuity (an open circuit)
The FLD terminal should show low resistance to case frame, maybe zero to 3 or 4 ohms
The GEN/ARM terminal may show 20 to 50 or so ohms

Got it?????????

John T
 
The voltage regulator terminals are labeled "L" on one "BATT on one and "F" on one. What"s the "L" stand for. Does the "L" terminal wire to the "A" or "ARM" on the generator?
 
Right now I have the key switch wired like this.... one terminal is wired to the coil and the other terminal is wired to the battery ? Is this right?
 
Lights are wired like so... rear light wired to rear terminal, head lights are wired to head terminal. that at batt terminal I have a wire going to the battery. Is this o.k.?
 
You must log in or register to reply here.

Similar threads

M
Ford Jubilee regulator
Replies
9
Views
298
used red MN
U
J
Delco 24 volt generator polarizing
Replies
6
Views
260
Tx Jim
Tx Jim
F
Voltage regulator question
Replies
12
Views
435
JMOR
J
R
  • Question
1969 JD 4020 Diesel 12V Wiring Diagram
2
Replies
26
Views
662
Jim.ME
J
J
Jd 4010 24v
Replies
1
Views
185
wore out
wore out
Tractor Parts Tractor Manuals

We sell tractor parts! We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today.

Copyright © 1997-2024 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters
Website Accessibility Policy

Back
Top