JD 5045D tachometer works sometimes

   / JD 5045D tachometer works sometimes #1  

Ron Teems

New member
Joined
Sep 13, 2025
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2
Tractor
john deere 5045D
JD 5045D tachometer works sometimes
 
   / JD 5045D tachometer works sometimes #2  
Welcome to TBN!

Most tachometers work off of the alternator by frequency. Chances are, you have a loose or corroded connection. Is the alternator charging?
 
   / JD 5045D tachometer works sometimes
  • Thread Starter
#3  
Welcome to TBN!

Most tachometers work off of the alternator by frequency. Chances are, you have a loose or corroded connection. Is the alternator charging?
It has a pick up senor on timing chain cover
 
   / JD 5045D tachometer works sometimes #4  
I feel sure you know this, the only thing I could do is play some swap tropics and pin point either the guage or the pick-up as you call it Providing the wires are good and there is no cpu involved. I wish you the best , Ron. And welcome to this wonderful entertaining, helpful forum. These posters are the greatest
 

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