Posted by Haas on February 16, 2013 at 08:36:52 from (50.142.111.41):
I figured out the lighting wiring on my late model 140 with factory alternator. The factory alternators started at serial number 62472. My tractor has turn signals, flashers, headlights and a combo work/tail light. The work/tail light is the one with a red light inside the work light housing. The red tail light and the work light have separate wires to the panel. The lights were working, but the flashers and one of the turn signals did not. I found that one of the 6 spade terminals on the 4 position light switch was broken off. After a lot of checking with a volt/ohmeter, I figured out the wiring and got the flashers and signals to work. There was one loose connection and the turn signal switch needed a second 12V power connection for the flashers to work. That power was supposed to come from the 4 position light switch and that was the broken off terminal. So I ordered a new switch. Apparently the switches have been revised and the new switch had the flasher terminals closed in switch position 2, 3 and 4 where as the old switch had the closed only in position 2 and 3. On the switch, position 1 is off, 2 is flashers, 3 is head lights, flashers and tail light, position 4 is head lights and work light. With the new switch having the flasher terminals closed in position 4 that meant that there was no way to turn on the work light and head lights without the flashers also coming on. So....I ended up not using the flasher connections on the new switch and adding a separate toggle switch on the panel to control the flashers separate from the other lights. Turns out I could have done without the new light switch. I wonder why the new light switch was different. I'm guessing that the turn signal and flasher switch has been revised to match the new light switch. If anyone needs help on how to wire these up, I'm an expert now and could supply a diagram of the connections.
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 - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
... [Read Article]
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.
