New Holland 1720 Blows Fuse

Hi All, I'm new to the forum and would be extremely grateful to get an answer to this problem with my 1996 1720. The tractor has been running fine. Today In started the tractor and left it idling for approximately 10 minutes and then shut it off. I returned another 10 minutes later and tried to start the tractor. I was demonstrating the starting procedure to a potential user, so I rotated the key backwards to the warm up position and nothing happened. No dash lights, dead. Same when I turned the key forward.

I discovered that the 30 amp fuse on the hot wire from the starter to the key was blown. I replaced the fuse and when I rotate the key backwards it blows. I did this twice with the same result.

Right before the fuse breaks I think I hear a little click in the engine compartment, near the front of the motor.

Does anyone out there have an idea? Thanks

Wade
 
Sounds like you have a short in your glow plug circuit. Check the wiring up along the engine to where the glow plugs are attached...The little tick might be the short. To verify it is the glow plug circuit see if it will spin the starter if you only turn the key forward after replacing the fuse.
 
Hi, Thanks for the reply and help. Yesterday I turned the key forward and the engine cranks over. It is still dark here, but when it gets light I'll get out and check the wires.

Wade
 

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