John Deere 4310 electrical issue - I think....Please help if you can

[Steve4310]

Can anyone help with a water temp gauge going directly to hot. Tractor has new water pump, new thermostat, new belt and new water temp sensor. Could it just be a malfunctioning gauge?

 

[TractorGuy]

Yes. The factory gauges are known for this problem. Your fuel gauge is next if it hasn't already.

John Deere 4310 Temperature gauge/wiring problem

4310 brought new in 2005. At start-up, temp gage needle climbs steadily to full hot over 3 minute time span. Engine temperature is normal according to multi-meter temp readout & gut feeling. Needle goes to cold when sensor wire is unplugged. Needle goes full hot when sensor wire is grounded to...

www.tractorbynet.com

If you want to keep it stock then you will have to suck it up and pay the John Deere price for a new panel.

There is an aftermarket panel available for a couple hundred but the seal doesn't fit it correct. I bought one and farted around with it for several hours before packing it up and returning it. Some people claim they got it to work with longer screws. You can see in the photos how the seal doesn't fit. Read the reviews and you be the judge.

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www.amazon.com

I mounted a 3 gauge pod on my cowl and used generic gauges. It was a very detailed operation I won't attempt to guide anyone else through but I like how it looks and works.

Installed Generic Gauges on 4310 (long)

My fuel and temperature gauges on my 4310 have been going to full sweep. Sometimes they would work but most of the time it read full and hot no matter the fuel level or actual temp. My tach and all my indicator lights still work fine. My temp sending unit tested okay and I replaced the fuel...

www.tractorbynet.com

 

[TractorGuy]

These also defy common logic. When you disconnect at the sending unit they drop to cold or empty. Normally that indicates a bad sending unit. Not saying a sending unit can't fail but mine tested good.

Others have replaced sending units only to find the problem still exists.

The frustrating part is it is probably a 50 cent resistor or a bad solder joint on the board.

I resoldered all the connection pins and went over with an ohm meter but I weren't smart enough to figure it out.

 

[Steve4310]

Thank you all so much!! I finally figured out the F5 problem due to your help! I hope to track this down too; will keep ya posted

 

[TractorGuy]

If you figure out a cost effective repair for the instruments please post it.

 

[ohiogar]

Be careful with the fuel shutoff relay.
You might think that if you just put 12v power to that relay
that it would fix the problem WRONG
The solenoid will burn up if you use a constant 12 volts to it