Can't seem to get spedometer to work.

   / Can't seem to get spedometer to work. #1  

Edward. S

Platinum Member
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Nov 15, 2009
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846
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Somewhere
Tractor
John Deere
I was on my 6420 tonight and when I put it in forward it seemed to not show me a speed on the gauge or display. This is also on my 6715. I appreciate your help.
 
   / Can't seem to get spedometer to work. #2  
Edward... Is it possible that the last drag race caused the computer to "glitch"!?!? :D We all know how much you like to pull the "front wheels up" going from one end of the field to the other! :laughing:

Guessing that you've already checked the fuses.. And the remaining LED functions and gauge readouts - rpm's, oil pressure, temp, etc. are working as normal?

AKfish
 
   / Can't seem to get spedometer to work. #3  
Most likely the ground speed sensor is not working. It is located to the right side of the hydraulic pump behind the cab. #1 or 2 in diagram depending on which transmission you have.
 

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   / Can't seem to get spedometer to work.
  • Thread Starter
#4  
Edward... Is it possible that the last drag race caused the computer to "glitch"!?!? :D We all know how much you like to pull the "front wheels up" going from one end of the field to the other! :laughing:

Guessing that you've already checked the fuses.. And the remaining LED functions and gauge readouts - rpm's, oil pressure, temp, etc. are working as normal?

AKfish

Yup. Only the speedometer. It seemed that the 6420s speedometer worked today. and for JD110. I have no idea to read that. I'll just leave the 6715 as it is.
 
   / Can't seem to get spedometer to work. #5  
Most likely the ground speed sensor is not working. It is located to the right side of the hydraulic pump behind the cab. #1 or 2 in diagram depending on which transmission you have.

There ya go, Edward! Right side of transmission housing... look for a dangling wire, broken wire, broken or bent sensor - be my bet!

(You been shredding up sweet corn stalks - or - something tall and likely to get up into alongside the transmission, etc. on your bigger machines??)

AKfish
 
   / Can't seem to get spedometer to work.
  • Thread Starter
#6  
There ya go, Edward! Right side of transmission housing... look for a dangling wire, broken wire, broken or bent sensor - be my bet!

(You been shredding up sweet corn stalks - or - something tall and likely to get up into alongside the transmission, etc. on your bigger machines??)

AKfish

My 6715 gets a good wacking of wasted crops but thats about it. Maybe some high weeds.
 
   / Can't seem to get spedometer to work. #7  
Maybe the wheels need to be on the ground for it to work?? :D :D
 

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