Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver
 
Marketplace
Classified Ads
Photo Ads
Tractor Parts
Salvage

Community
Discussion Forums
Project Journals
Your Stories
Events Calendar
Hauling Schedule

Galleries
Tractor Photos
Implement Photos
Vintage Photos
Help Identify
Parts & Pieces
Stuck & Troubled
Vintage Ads
Community Album
Photo Ad Archives

Research & Info
Articles
Tractor Registry
Tip of the Day
Safety Cartoons
Tractor Values
Serial Numbers
Tune-Up Guide
Paint Codes
List Prices
Production Nbrs
Tune-Up Specs
Torque Values
3-Point Specs
Glossary

Miscellaneous
Tractor Games
Just For Kids
Virtual Show
Museum Guide
Memorial Page
Feedback Form

Yesterday's Tractors Facebook Page

  
Farmall & IHC Tractors Discussion Board

Re: 6-12 volt H


[ Expand ] [ View Replies ] [ Add a Reply ] [ Return to Forum ]

Posted by Janicholson on December 16, 2007 at 18:52:32 from (66.173.50.168):

In Reply to: 6-12 volt H posted by lee m cramsey on December 16, 2007 at 17:04:12:

Lee,
I will make some assumptions.
That you are measuring 12 volts at the socket with a meter or test lamp connected to the tractor on a shiny spot of metal. The problem is that the lamp housing, or the socket in the lamp housing is not grounded. The lamps will run on 12V of either polarity. Which means they do not care what polarity the electricity has as long as it is equal to 12v. To test this idea, use a test jumper from that same shiny ground to the base of the bulb while it is in the socket. I think it will light

The other issue is more difficult. Changing to a 12v battery, and hooking it up the same way (pos ground) will usually do nothing to charge the battery. Experiment as follows.
With the tractor not running, battery charged up, put your volt meter across the battery terminals. There should be about 12.6 or so volts. If you now turn on the lights (assumes the fix of the grounds above) the Amp gauge should show a discharge of 8 to 10 amps. This is normal.
If you turn off the lights and start the engine, the voltage across the battery should be about 14.2 to 14.6 volts. This is an appropriate charge voltage. and it seems likely that it has been converted to 12V by some one. If the voltage is just the same as it was, or only 13V or so, the generator is charging, but not much. The regulator (if still 6V) will be heating up due to 12 V applied to its regulator. It might not work for very long, but if it is cold, it might work till it gets hot and the smoke comes out.
Using it as a constant loss system is OK. to do that, just disconnect and tape the Bat lead on the regulator. That takes the entire charging system "off Line". The tractor will run all day if started only a few times. It will not run for very long with the lights on.
If there is no ballast resistor put on the coil (or the coil is not changed to a "no external resistor needed") the coil will overheat, and the points will burn out rapidly. I hope this helps.
See my description several posts below to get the full story on changing to 12V. JimN


Replies:




Add a Reply

:
:
:

:

:

:

:

:

:

: If you check this box, email will be sent to you whenever someone replies to this message. Your email address must be entered above to receive notification. This notification will be cancelled automatically after 2 weeks.


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. [ About Us ]

Home  |  Forums


Today's Featured Article - Tractor Profile: Farmall M - by Staff. H so that mountable implements were interchaneable. The Farmall M was most popular with large-acreage row-crop farmers. It was powered by either a high-compression gas engine or a distillate version with lower compression. Options included the Lift-All hydraulic system, a belt pulley, PTO, rubber tires, starter, lights and a swinging drawbar. It could be ordered in the high-crop, wide-front or tricycle configurations. The high-crop version was called a Model MV. ... [Read Article]

Latest Ad: 1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952 [More Ads]

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