JD 4500 Wont Turn Ove

   / JD 4500 Wont Turn Ove #1  

clkane

New member
Joined
Oct 29, 2015
Messages
3
Location
Hillister, TX
Tractor
JD 4500
I have a 2001 JD 4500 that wont turn over. Yesterday everything ran just fine, I set the park break and shut it down. This morning when I turn the key nothing happens. The battery is good, it is only a week old 12.7 volts. When the key is turned to the "on" position, I can hear the start relay clicking in and out sporadically and the dash lights blink on and off for a few seconds then go dead. I have tested all relays they test good. Fuses test good. I have checked and re-checked that everything is either off or in neutral position such as PTO, reverse lever, transmission, etc. Any help will be very much appreciated.
 
   / JD 4500 Wont Turn Ove #2  
Sounds like a loose wire. Could be hot or ground making intermittent contact.

Check ground wires on the frame.
 
   / JD 4500 Wont Turn Ove #3  
Check cable connections to the battery. If good, then don't discount that the battery may be a bad one as it sounds like it is.

:welcome: to TBN
 
   / JD 4500 Wont Turn Ove
  • Thread Starter
#4  
Thanks for the replies. Talked with my local service dept today. The tech had me hook up 1 lead of jumper cables to the neg post on battery and the other end to a good ground on the frame. When I turned the key to the "on" position, everything seemed normal. So its probably a bad ground. I started tracing out the wiring from the neg post on battery but didn't really find anything. Tried the start the tractor and it fired right up. So I just used it most of the day, only shut it down once and it fired right back up. I know there is still an issue as I didn't find anything today, but will continue to troubleshoot and post updates when I can.
 
   / JD 4500 Wont Turn Ove #5  
:welcome: to TBN
I agree probably a loose/corroded battery cable connection.
Jim
 
   / JD 4500 Wont Turn Ove
  • Thread Starter
#6  
Well it turned out to be a bad battery cable between the neg post and the frame. The old cable checks out good with an ohm meter, but must be breaking down somewhere. I installed a new cable and have had no issues. Thanks again for those of you that replied with suggestions.
 
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