dlctcg
Platinum Member
One other thought... Have you checked / tested your battery cables? These were a common problem on older NH machines so I can not personally say it is an issue on a 2013 machine, but might be something you want to check. The cables were known for corroding internally (unseen), which caused resistance in the cables & causing all types of problems,
Here is info from one of my pervious post... not sure it is an issue but might be worth a check....
Cable Test:
Older New Holland battery cables often corrode inside the terminal where it is sometimes impossible to see; not sure it was an issue with your particular yr / model... You will often have voltage so everything seems good. (gauges & all are working). So you will have voltage but they will not supply the required Amperage.
You can test if there is an issue with your existing battery cables pretty simply.
Remove the negative battery cable & then take a negative jumper cable wire and place it on the bare negative post of your tractor battery. Connect the other end to a solid clean ground of the tractor (bare metal location). Try starting the tractor & see if that makes a difference...
If that doesn't change anything you can do the same process on the positive post. Disconnect the Negative jumper from the Battery terminal. Then using your positive jumper cable attach one end to where the positive battery cable connects to the starter (connect this end first), and the other end to the positive battery post (last). Make sure the jumper cable is not able to arc to near by metal. Now reconnect the Negative jumper cable to the battery & try starting the tractor again & see if that changes anything...
Doing this process you basically bypassed the battery cables on the machine, and then can troubleshoot from there. I wouldn't put any more parts on it till I checked the factory cables...
Also check to see what voltage you are getting at the starter solenoid.... below is from a pervious post....
Starter Solenoid:
Make sure you have 12V at the starter solenoid when you turn the key to START...
If you see voltage only sometime I'm thinking it either a spotty ground or Ignition switch.
If you are see voltage Each time to turn the key yo the START position but it is less than 12V this will definitely cause an inconsistent starting issue. This circuit shares the voltage source this the glow plug timer (& I believe passes through some of the safety switches). Overtime the wiring & connection get dirty / lose there ability to pass the voltage. You can modify the current wiring & add a dedicated relay for supplying direct power to the starter solenoid via the same circuits. I did this on our TC40D & it made a big difference for our machine
Here is info from one of my pervious post... not sure it is an issue but might be worth a check....
Cable Test:
Older New Holland battery cables often corrode inside the terminal where it is sometimes impossible to see; not sure it was an issue with your particular yr / model... You will often have voltage so everything seems good. (gauges & all are working). So you will have voltage but they will not supply the required Amperage.
You can test if there is an issue with your existing battery cables pretty simply.
Remove the negative battery cable & then take a negative jumper cable wire and place it on the bare negative post of your tractor battery. Connect the other end to a solid clean ground of the tractor (bare metal location). Try starting the tractor & see if that makes a difference...
If that doesn't change anything you can do the same process on the positive post. Disconnect the Negative jumper from the Battery terminal. Then using your positive jumper cable attach one end to where the positive battery cable connects to the starter (connect this end first), and the other end to the positive battery post (last). Make sure the jumper cable is not able to arc to near by metal. Now reconnect the Negative jumper cable to the battery & try starting the tractor again & see if that changes anything...
Doing this process you basically bypassed the battery cables on the machine, and then can troubleshoot from there. I wouldn't put any more parts on it till I checked the factory cables...
Also check to see what voltage you are getting at the starter solenoid.... below is from a pervious post....
Starter Solenoid:
Make sure you have 12V at the starter solenoid when you turn the key to START...
If you see voltage only sometime I'm thinking it either a spotty ground or Ignition switch.
If you are see voltage Each time to turn the key yo the START position but it is less than 12V this will definitely cause an inconsistent starting issue. This circuit shares the voltage source this the glow plug timer (& I believe passes through some of the safety switches). Overtime the wiring & connection get dirty / lose there ability to pass the voltage. You can modify the current wiring & add a dedicated relay for supplying direct power to the starter solenoid via the same circuits. I did this on our TC40D & it made a big difference for our machine