NX5510 Linked Pedal Light doesnt go off

[7inux]

I have an NX5510HST Cab I purchased a few weeks ago. Its a strong running machine, however the linked pedal light on the dash along with the light on the toggle switch won't turn off. When I depress the pedal the RPMs don't increase, so it's not working as it should. Any ideas on what I could possibly troubleshoot?

 

[MinnesotaEric]

swap relays.

 

[7inux]

I'm not seeing a relay for it in the wiring diagram, I attached it below where it shows the link pedal. I did look at the relays in the fuse box but didn't see anything that related to it. Is there a particular relay I should look at?

 

[NC419N]

Hearing about the Lights that don't go off and power being transmitted brings back nightmares about my 4510 hydro Hope it is not a complete PITA that mine turned out to be!!!!

 

[MinnesotaEric]

My bad. I believe the diode is burned out at the switch itself allowing the light to stay on. Follow power at 93.

 

[7inux]

That maybe the best possible news! I did remove the switch this morning to examine it, here's the actual switch below. Let me ask you this; would that not allow for the foot throttle to work as well with that diode being burnt out?

 

[justman777]

When you turn the switch on, do the engine RPMs increase when you push the forward/reverse pedals? That should tell you if the foot pedals are working to increase engine RPMs.

Honestly, I found myself using the linked pedal less and less over the last year. I found it nice to have initially, but it always dumped power when I was trying to do loader work with the grapple. If I use it now, I always bump up the hand throttle to at least 1500 RPM just to have some juice left when lifting or dumping.

 

[MinnesotaEric]

That maybe the best possible news! I did remove the switch this morning to examine it, here's the actual switch below. Let me ask you this; would that not allow for the foot throttle to work as well with that diode being burnt out?

View attachment 644727View attachment 644728

No, the switch works the linked pedal, the diode supplies power to the light. The diode has failed closed and apparently is in the switch according to the wiring diagram. Unplug the switch and the light should turn off.