After lunch, diesel tractor won't start

   / After lunch, diesel tractor won't start #11  
likely something came loose/unplugged or blew fuse from a shorted wire
 
   / After lunch, diesel tractor won't start
  • Thread Starter
#13  
No. However, as the problem is that there is no voltage at the solenoid when the key is turned to "start", I doubt that it would be significant. FWIW, when I power the starter directly from the battery, it turns fine.
 
   / After lunch, diesel tractor won't start #14  
No. However, as the problem is that there is no voltage at the solenoid when the key is turned to "start", I doubt that it would be significant. FWIW, when I power the starter directly from the battery, it turns fine.

Geoff, have you been able to locate the starter relay ? and do you have any diagram, drawing or anything to help?
 
   / After lunch, diesel tractor won't start #15  
This weekend I had an electrical failure on my tractor (2020 Antonio Carraro TTR 4400 HST II). When I turned on my headlights because the sun was setting the engine shut off and there was no power anywhere no matter what position the key was in.

Undoing the console, I noticed that there was a connector that brought power to the key and other wires that had started to melt!

Maybe the connection was loose and the extra power demand would have caused it to heat up.

A mechanic took the wires apart and plugged them back together and everything works fine. I will ask to receive new parts under warranty.
 
   / After lunch, diesel tractor won't start
  • Thread Starter
#16  
Antonio Carraro TRH 9800, 4 cyl Yanmar diesel engine

Spent the am pulling a flail mower. Not even a hick-up. Returned after lunch, it would not turn over. All indicators normal, no sound from the starter solenoid.
[snip]
It's a tad late, but FWIW here's the solution that was discovered. One of the fuses (20A) was blown. No relation to anything that controls the electrical system generally, and certainly nothing that would cause the tractor to refuse to start. I now carry spare fuses :)
 

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