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toro 322d mitsubishi k3d diesel starting by itself

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#16 classic ONLINE  

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Posted May 27, 2014 - 04:54 PM

I worked with a guy who was a bit slow at figuring things out. While hauling his mower to town for repairs he noticed a mower just like his passing him on the left in the other lane...
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#17 KennyP OFFLINE  

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Posted May 27, 2014 - 05:54 PM

How much do you trust Aaron???

A Bunch!



#18 LilysDad OFFLINE  

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Posted May 27, 2014 - 06:19 PM

Okay! Just covering all the possibilities.


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#19 olcowhand ONLINE  

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Posted May 27, 2014 - 06:33 PM

That sure would be strange to find my mower running like that!



#20 KennyP OFFLINE  

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Posted May 27, 2014 - 07:13 PM

That sure would be strange to find my mower running like that!

My biggest issue is that it always takes a bit of cranking and glow plug to start it. How it did that on it's own baffles me!



#21 diesel nut ONLINE  

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Posted May 27, 2014 - 08:43 PM

That's weird.  Was there a thunderstorm before you found out it was running?  We had an old David Brown that was brought up to work for us to fix late one afternoon and the next morning when my uncle got there it was running.  All we could figure was that the thunderstorm with only a light rain we had the night before caused it to start, possibly from a lightning strike right next to the starter.  My grandma who lived right next door was looking out her window during the storm and said there was lightning that hit near the dumpster which was only a few feet from where the tractor was parked  

 

Stewart


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#22 KennyP OFFLINE  

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Posted May 28, 2014 - 05:04 AM

No lightning strike, but lots of rain!



#23 sodisr OFFLINE  

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Posted May 28, 2014 - 10:09 AM

My biggest issue is that it always takes a bit of cranking and glow plug to start it. How it did that on it's own baffles me!

Next time you have an issue starting,,,,,  HOSE it down...Problem solved.. :shoot2:



#24 KennyP OFFLINE  

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Posted May 28, 2014 - 06:01 PM

Next time you have an issue starting,,,,,  HOSE it down...Problem solved.. :shoot2:

?????? I don't understand?

 

Well, I pulled up the wiring diagram and hooking up the seat switch will not effect starting as I see it. Here's a copy. But, maybe A is jumpered to B right now! Hmmmmm? Gonna have to see what's there right now! Probably this weekend!

Toro Wiring.jpeg



#25 MH81 ONLINE  

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Posted May 28, 2014 - 07:07 PM

?????? I don't understand?
 
Well, I pulled up the wiring diagram and hooking up the seat switch will not effect starting as I see it. Here's a copy. But, maybe A is jumpered to B right now! Hmmmmm? Gonna have to see what's there right now! Probably this weekend!
attachicon.gifToro Wiring.jpeg


The picture is just a little small to make out Kenny. I tried, but it's just to small.
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#26 KennyP OFFLINE  

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Posted May 28, 2014 - 07:20 PM

Then I will try to make it bigger! Give me a few!



#27 KennyP OFFLINE  

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Posted May 28, 2014 - 07:29 PM

Try this!

Attached File  Toro Wiring.pdf   1.32MB   21 downloads

 

After thinking this over, I think the seat switch should go between the S terminal and the solenoid. (If it works)


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#28 VintageIronCollector OFFLINE  

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Posted May 28, 2014 - 08:10 PM

Next time you have an issue starting,,,,,  HOSE it down...Problem solved.. :shoot2:

 

?????? I don't understand?

I think he means that if you can't get your tractor to start hose it down with water like when it rained and it will start for you.


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#29 KennyP OFFLINE  

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Posted May 28, 2014 - 08:12 PM

NOW I get it! Sorry, rough day!



#30 MH81 ONLINE  

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Posted May 29, 2014 - 06:17 AM

Kenny, I assume the "control unit" is a computer. If so, it seems that would be a likely subject, especially since it ties into both start an run contacts on the switch.

If you use the seat switch or neutral switch in the line to the solenoid, it should at least keep the computer from starting it mystically.
The seat switch does not look to be anything other than a "can't start unless the operator is in the seat" switch, I'm surprised it isn't a kill switch for when you come out of the seat.
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