Hi Richard,
Have you checked all the connections between the battery and ground and B+
and the starter? If both batteries are unable to provide the current the
starter needs there may be a high resistance somewhere in the circuit. If you
access the cables you could run a jumper cable in parallel and see if that
helps. If you run it as a redundant ground from B- to the engine ground and it
starts, there's likely high resistance in the ground circuit.
This back-yard diagnostic method is only slightly removed from the
beat-on-the-starter-with-a-hammer diagnostic technique, but it might turn up
something.
Chuck
-----Original Message-----
>From: Richard Gallagher <rgallagrrr@mcn.net>
>Sent: May 30, 2012 10:23 PM
>To: shop-talk@autox.team.net
>Subject: [Shop-talk] Tractor Won't Start
>
>Hi guys,
>
>From Great Falls, Montana: I need help with my John Deere 950 utility
>tractor (about 22 hp but with gears a very good tractor). We have 30 acres
>and need the tractor to help maintain it. Last couple of weeks after work
>(yes, I do have a rgeular job and thank you God for the rain last weekend)
>I fertilized about 25 acres for hay and the tractor worked great. Now the
>battrey went dead (maybe--see below). I purchased a replacement commerical
>battrey from NAPA and the darn thing still won't start. With the new
>battrey hooked up the lights work but the starter turns a couple of cranks
>and then the solinoid just clicks. I've got an electrical problem. Now I
>am not sure that the old commercial battrey went dead but it is now
>gone--all I know is that it would not take a charge from the charger. My
>guess is that it died and in the process of trying to charge it I messed up
>something--voltage regulator??? The starter still wants to crank but is
>there a short???
>
>
>
>Your advice would be greatly appreciated.
>
>Rich Gallagher
>_______________________________________________
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