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John Deere X360 lawn tractor wiring harness question.

Posted on 10/6/23 at 8:47 pm
Posted by shoelessjoe
Member since Jul 2006
9923 posts
Posted on 10/6/23 at 8:47 pm
Have a lawn tractor that runs great, no fuel or engine trouble. Problem is that I have a wiring harness issue. Tractor runs and then all of a sudden stops. Brought it to John Deere to fix issue but they couldn’t figure it out. While using it to cut grass, it stopped so I picked up hood and shook a wire and found where the issue was. Is it possible to change just one electrical connection? Does the connector allow it to be color coddd for easy change?
Posted by LSUtigerME
Walker, LA
Member since Oct 2012
3806 posts
Posted on 10/6/23 at 9:20 pm to
What’s the issues exactly?

It’s a loose molded plug? Just a loose pin? Is a ground connection corroded?

You can easily just jump over a molded plug if you don’t want to replace it and want a quick fix. If you can find the plug, you can replace it. You can also try to replace just a pin.

If it was me, for a lawnmower, I’d just jump over it with a male/female spade connector.

Most of the time I’ve seen, the issue is a corroded ground connection. I’ve just reran the wire to a new/clean ground point.
Posted by shoelessjoe
Member since Jul 2006
9923 posts
Posted on 10/6/23 at 10:31 pm to
It’s a plug in connector that plugs into the instrument panel. It’s not the plug that is for the hour meter but a cluster that has different colored wires. One of the wires in the connector has a cut on it but not sure if that is the problem. I just know that while it’s running and cutting it stops running all together but I quickly lift hood and move wires it continues to run at full power with blade still running.
Posted by Unobtanium
Baton Rouge
Member since Nov 2009
1601 posts
Posted on 10/7/23 at 10:59 am to
A picture of the connector in question would help in identification. Also, depending on the location of the cut, a splice might be the easiest solution.
Posted by shoelessjoe
Member since Jul 2006
9923 posts
Posted on 10/7/23 at 2:28 pm to
[/url] [url=https://postimg.cc/9DRxD1zf] [/url][/img]
If you look at the second picture it’s the yellow wire close to the connector.
Posted by Wraytex
San Antonio - Gonzales
Member since Jun 2020
2014 posts
Posted on 10/7/23 at 9:08 pm to
About six or seven years ago I bought 95 455 that had been rode hard and put up wet and a couple of the plug connectors had decayed in the sun. I went to weekend freedom machines, the John Deere forum for garden, tractors, and lawnmowers, and found where to order new plug connectors, and the electrical inserts that go on each half of the plug connector. I’m sorry that I do not remember off the top of my head where I got them from, but it was not a deer dealer
Posted by Unobtanium
Baton Rouge
Member since Nov 2009
1601 posts
Posted on 10/8/23 at 12:22 am to
A couple of routes to dig into:

- Deere online parts catalog. Find the connector you need and do a search on that p/n (ex - Deere p/n 57M10112 cross references to a Delphi MP280, which is easy to find parts for)

- look on E-Bay for an electrical connector pin removal tool. Remove the pin attached to the yellow wire, solder/crimp a new piece of wire, splice to yellow wire in the harness and reinsert.
Posted by Oneulus
Member since Sep 2021
88 posts
Posted on 10/9/23 at 11:10 am to
Hi
I worked on many JD tractors big and small over the years.
One of the biggest issues is what’s called a “floating ground”
Somewhere on your equipment it’s making an intermittent contact to the frame where you should have a good negative ground from the battery negative terminal.
Many times paint from the factory that is sprayed on he frame first will cause this problem.
I would trace the negative terminal from the battery and where it connects to the frame or metal, remove it, sand down to bare metal, reconnect the negative cable coming from the battery, should be good to go.
Posted by shoelessjoe
Member since Jul 2006
9923 posts
Posted on 10/9/23 at 9:30 pm to
Will try that thanks.
My yard is bumpy in some spots. Maybe that is causing the contact to miss?
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