The drop in voltage indicates bad connections, or badly corroded wires. You should have 12.5V all the way.
What "junction block" are you talking about? There shouldn't be any junction block anywhere. One thick wire from one battery post to a bolt on the tractor's frame. The other thick wire from the battery goes to one terminal on the pushbutton switch, then another thick wire goes from the pushbutton switch to the starter.
First thing you need to do is take each connection apart and make sure that everything is clean and shiny, then reconnect them and make sure the bolts are tight. If either of the battery ends is one of those replacement ones that bolt on with a strap, you need to take that apart and clean it up as well. It wouldn't hurt to cut off the end of the wire that was clamped and strip off some fresh wire to make the connection.
As a general rule, you'll find a bad ground connection, the one that goes from the frame of the tractor directly to the battery. The iron/copper connection gets corroded more easily.
If all the connections are clean, bright and tight, and you still have no start, replace the heavy pushbutton starter switch. There's a reason these aren't used to start vehicles anymore, and it's because they don't last...
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 ]
Today's Featured Article - Talk of the Town: Best Tractor? - by Staff. This recent discussion on the Tractor Talk discussion board here at the on-line magazine drew quite a bit of response. We see the question of "Which tractor is best for me?" asked quite often. We thought you might find the responses interesting. As always, the names of the people participating in the discussion have been left out - we did not request their permission to reprint their names in this article. However you can find this discussion in it's entirety in the Tractor Talk archives.
... [Read Article]
Latest Ad:
1958 FORD RARE 4x4 801 TRACTOR, ELENCO/FRONT DRIVE, FRONTLOADER AND WEIGHTED REAR WHEELS, FIVE SPEED, LIVE PTO, GAS ENGINE, NEW REAR WHEELS AND TIRES, ENGINE RUNS.
[More Ads]
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.
