Yellow Warning light

   / Yellow Warning light #1  

Joebeck81

New member
Joined
Feb 11, 2025
Messages
2
Tractor
New Holland TN75
We have a New Holland TN75 tractor that is either a 1997 or 1998 . There is a yellow warning light that sometimes comes on when going up a hill. It is a blinking light and just started yesterday. It is a circle with an exclamation point inside with parathesis on the outside of the circle. Can you tell us what this light is for. We lost our manual in a fire in 2023. We just had a new clutch put in this tractor this past summer.
 
   / Yellow Warning light #2  

should link you to owner's manual and shop manual
 
   / Yellow Warning light #3  
I wonder if your DPF is getting plugged and only comes on during harder work like going up a hill. Not much info on line to look at.
 
   / Yellow Warning light #4  
What i see is showing brake system failure. Weird, why when going up hill


IMG_7383.png
 
   / Yellow Warning light #5  
No DPF on this tractor. Too old.

The symbol is for the brake fluid reservoir indicating that the fluid is low. It is probably on the cusp and going up/down a hill is causing it to flash.
Use NH brake oil, NOT brake fluid.
 
   / Yellow Warning light #6  
No DPF on this tractor. Too old.

The symbol is for the brake fluid reservoir indicating that the fluid is low. It is probably on the cusp and going up/down a hill is causing it to flash.
Use NH brake oil, NOT brake fluid.
Interesting...I learned something today. Another thread on this fluid:

TN65 New Holland Brake Fluid
 
   / Yellow Warning light #7  
Strange…i never really thought about tractors having brake cylinders, i always just thought they used gearing in transmission for brakes, and that just used transmission fluid. Never really gave it any thought
 
   / Yellow Warning light #8  
There's a long thread about a guy replacing his master cylinders (yes, 2 of them) in here.

No DEF on these tractors. Thankfully. Computerized, but only mechanical fuel injection.
 
   / Yellow Warning light #9  
NH are a pain. Have a TD95D. Brake fluid. Power steering reservoir. Expensive filters. Makes me glad I have more JD than NH's
 

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