Tim, do you have the correct switch?  
 
On a CCC 782 you should have continuity on the C & D terminals (red wires) in the "off" position 
 
PTO start -- continuity between B-A-F (black-brown-orange) 
 
PTO on -- B & A (black & brown) 
 
They didn't use the reverse relay on the IH built 782's. 
 
 
Do you need the schematic?
		 
		
		
		
		
		
		
			
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