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#1
07-25-2013, 07:01 PM
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LT1050 not making voltage
I have an LT 1050 with Kohler Command 26.
It's not charging. I have replaced the voltage regulator (VR) because I'm getting 39 VAC across the two white stator leads at the VR with engine at full speed. Kohler online book calls for 28 VAC or better. The book says if you are getting VAC to VR, replace the VR. I did, no fix. Also checked: -Ohms across stator leads is .001 (shorted) -Ohms from each stator lead to ground are open with VR disconnected (which I think is normal), and shorted (which I think is normal) with VR connected. -Voltage drop across battery ground lead to chasis connection is .001 VDC (good). -VDC on batt drops by about 1/4 VDC when PTO is engaged. -Purple B+ wire off VR shows grounded with key off and then connects to batt pos. post and not grounded with key on (seems normal, was looking for possible short in that wire) -After charging battery with wall charger, mower mows great for about 30-40 minutes, then PTO disengages when batt gets down to around 6 VDC. So the battery is still alive and well. Three questions- 1.The online Kohler book doesn't say if the VR should be connected when checking ohmage to gnd from each stator lead. Do you personally know? 2.It does say that the stator leads should be open (I'm showing shorted) between each other with VR disconnected. But, I'm getting VAC out of the stator. Is the stator still bad? 3.I can't find s**t for wiring diagrams online. I paid 4.95 for a service manual online but the wiring diagrams are illegible. Got a wiring diagram? A new stator is around $80, and of course I don't want to waste money for another no-fix. 
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