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6140 Ignition Wiring

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=129222
Printed Date: 24 Oct 2025 at 3:08pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: 6140 Ignition Wiring
Posted By: Mule
Subject: 6140 Ignition Wiring
Date Posted: 25 Sep 2016 at 10:15pm
I recently bought an Allis Chalmers 6140 that didn't have an ignition switch. I bought a replacement and trying to figure out how to wire it up. I got the glow plugs wired to the temporary on contact you get when you turn the key counter clockwise. I got my power and starter solenoid wired up. There was a large white wire and small white/blue wire going to the alternator. I wired them to the contact that is on with the switch in the on position so that the battery isn't connected to them when the switch is off.

Now my question...

Is there supposed to be a way to turn the tractor off with the key? It keeps running even if I cut it off. I have a throttle cable coming off what looks like the injector pump that I can kill the engine with but I'm not sure if there is a way to do it from the switch. Thanks for any pointers.



Replies:
Posted By: ILGLEANER
Date Posted: 25 Sep 2016 at 10:17pm
The cable to the injection pump kills it. The key just turns the electric power off. Because it doesn't have an electric selinoid on the pump. Just like a 180/190

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Education doesn't make you smart, it makes you educated.


Posted By: Mule
Date Posted: 25 Sep 2016 at 10:19pm
Ok I guess I have it wired up right then. Thanks!



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