The one that goes right to the back plate.  There is a small oval cutout on the bottom of the pipe for the oil pressure wire to come out of.  It is a single wire that goes direct from the sender to the gauge.
		 
		
		
		
			
		
		
		
		
		
		
			
				__________________ 
				Jordan Baker 
RHLI Museum, 
Otter LRC 
C15A-Wire3, 1944 
Willys MB, 1942 
10cwt Canadian trailer
			 
		
		
		
		
		
	
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