TRACTOR PARTS Allis Chalmers Case & David Brown Farmall & International Ferguson Ford & New Holland John Deere Massey Ferguson Massey Harris Minneapolis Moline Oliver & Cockshutt Kubota / Yanmar

TRACTOR MANUALS

Allis Chalmers	Case	Farmall IH	Ford 8N,9N,2N	Ford
Ferguson	John Deere	Massey Ferguson	Minn. Moline	Oliver

Attention Forum Users: On the 28th of December 2023 at 9:00am Central Time, we will be taking the forums down for maintenance while we prepare the new forums for your use. Please click here for more information.

Discussion Forum

Coil/How to check and do I need a resistor

Welcome Guest, Log in or Register

Author

Brad Wies (DC-4

10-25-2001 09:39:45

Report to Moderator

Hi, how can I check to see if a coil works and do I need a resistor with 12 volts, thanks

[Log in to Reply] [No Email]

Ken McWilliams

10-25-2001 15:54:53

Report to Moderator

Re: Coil/How to check and do I need a resistor in reply to Brad Wies (DC-4 DUDE), 10-25-2001 09:39:45

Brad,

The spark is generated when the ground wire is disconnected.

Hook the battery wire to the hot side and connect the distributor side of the coil to ground. The completed circuit allows the coil to charge. When the distributor wire is disconnected a spark should be discharged from the large coil wire that goes to the distriburtor cap. Position the large coil wire so there is a gap between its end and the ground.

It doesn't need to be in the tractor to to this. I've done it on a workbench with a battery.

If you are running a 6 volt sytsem, then you most likely won't need a resistor. If the tractor has been converted to 12V, and a 6 volt coil is still used, you should use a resistor. If not plan on replacing the points about every 50 to 100 hours. The higher voltage arcing will pit the contacts quickly.

Ken McWilliams
Dayton, OH

[Log in to Reply] [No Email]

[Options] [Printer Friendly] [Posting Help] [Return to Forum] [Log in to Reply]

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

Copyright © 1997-2023 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