You mentioned the rheostat .....have you tried turning it from one direction to the other while cranking? 
 
Have you tried 24v through it? 
 
Not trying to insult, but I always start with the basics... 
 
 
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				__________________ 
				Charles Fitton 
Maryhill On., 
Canada 
  
too many carriers 
too many rovers 
not enough time. 
(and now a BSA...) 
(and now a Triumph TRW...)
			 
		
		
		
		
		
	
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