|
Farmall & IHC Tractors Discussion Board |
Re: Re: Professional Tinkering 6 to 12 volt
[ Expand ] [ View Follow Ups ] [ Post Followup ] [ Return to Forum ]
Posted by Doug in OR on January 19, 2004 at 10:30:38 from (67.166.95.121):
In Reply to: Re: Professional Tinkering 6 to 12 volt posted by tractorboy on January 19, 2004 at 07:38:47:
A lamp does not act like a diode. A diode will pass current in one direction, but not the other. A lamp will behave like a resistor. A variable resistor, in fact. As the lamp glows brighter, the resistance increases. In the case of how Bob M is using it, the lamp is designed to do 3 things. 1) It provides a current path to the exciter windings. 2) It acts as a warning light would act - it indicates alternator status. 3) It acts like a resistor - it drops the voltage when the alternator tries to backfeed to the ignition switch. This should prevent engine run-on.
Follow Ups:
Home
| Forums
Today's Featured Article -
Oil Bath Air Filters - by Chris Pratt. Some of us grew up thinking that an air filter was a paper thing that allowed air to pass while trapping dirt particles of a particles of a certain size. What a surprise to open up your first old tractor's air filter case and find a can that appears to be filled with the scrap metal swept from around a machine shop metal lathe. To top that off, you have a cup with oil in it ("why would you want to lubricate your carburetor?"). On closer examination (and some reading in a AC D-14 service manual), I found out that this is a pretty ingenious method of cleaning the air in the tractor's intake tract.
... [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 © 1997-2025 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 HeadquartersWebsite Accessibility Policy |
|
