JD 955 Headlights kill motor

   / JD 955 Headlights kill motor #1  

croasdale

New member
Joined
Oct 7, 2007
Messages
21
Location
White Stone, VA
Tractor
John Deere 955
Any idea why turning on the headlights would cause the engine to quit on my 955? I bought it with the headlights not working and found the fuse pulled. Replaced fuse and cleaned some connections and the lights work fine as long as the motor's not running.:confused:
 
   / JD 955 Headlights kill motor #2  
I think the only electrical thing that would affect a diesel motor after it is started is the fuel cutoff solenoid. Does the 955 shutoff with the key?
 
   / JD 955 Headlights kill motor #3  
There was a thread here very recently involving exactly that problem. The culprit was a bad battery (had a shorted cell). The battery apparently couldn't hold the fuel shutoff solenoid open when the headlights were turned on.
 
   / JD 955 Headlights kill motor
  • Thread Starter
#4  
Thanks,

I thought it might be the battery getting weak since I don't recall it doing that when I first fixed the lights a few months ago. The tractor frequently sits a month or two between uses.

I'll try a new battery to see if that does the trick.

Ed
 
   / JD 955 Headlights kill motor #5  
I have a 755 that died when lights were turned on. It was a corroded contact on the key ignition switch. It evetuallly burned out leaving the tractor totally dead.
 

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