L3710 Dead instrument panel.

/ L3710 Dead instrument panel. #1  

Woodsman603

Bronze Member
Joined
Dec 21, 2017
Messages
94
Location
North Country
Tractor
Kubota L3710
2000 L3710

Past two uses, the battery went flat enough that it wouldn't crank. Booster pack and it fires up. Was ok for those two uses.

Third use, fires up, idles fine, everything works. Start plowing snow, get to the end of the driveway and I lose up and down motion.

Note: This has EA's Third Function. When in use, up/down because plow angle. So that switch instead of acting like a momentary, was stuck on.

Returning back to the house with no up/down, I notice my instrument panel is dead. No gauges. Nothing. Park the machine and start digging around.

At this point, I can't shut the tractor off. I d/c the battery with the key out and still runs. I block the intake to kill it.

Wait some time to scratch my beard, and turn the key. Dash is dead. I can't even hear the glow plug ignitor kick on. Nothing there. Check fuses, all good except "PANEL RELAY".

I've swapped in three of the five relays with no luck. The Timer, Glow Plug relay, and "controller kit" relay.

Which relay is the PANEL RELAY?

Key is functional because the starter kicks off fine, lights turn on, and directionals work in the RUN position. I think I'm trying to nail down which replay the PANEL RELAY is.

Some have suggested a battery, I have a deep cell battery for my boat on jumper cables hooked to the battery as well, and still nothing.

What else am I missing? Thanks.
 
/ L3710 Dead instrument panel.
  • Thread Starter
#2  
SORTED

The prongs for the PANEL RELAY fuse were corroded. That killed all the relays after it. Wriggled the fuse around a bit, everything came back.
 
/ L3710 Dead instrument panel. #3  
Nothin' like a little wiggling to diagnose a problem.
Glad you got it straighted out!
 
/ L3710 Dead instrument panel. #4  
Pull the relay fuse and apply some di-electrical grease to the prongs. A little goes along way.
 

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