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	01-13-2012 08:54 AM #171chevelle/with 72SS gauge dash fuel gauge wireing help new harness&circuit board
 
 the old circuit board had 3 wires for gas gauge that were cut not used also a white resister on 2 terminals does the new circuit board need it I havent installed the new wire harness or board yet realey need gas gauge dont want to ruin new board also can i install factory tacometer wire to H.E.I. ignition Thank U for in advance for helping gary C
 
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	01-13-2012 09:47 AM #2
 Welcome to CHR I don't have a wireing diagram for that car but I'm sure sombody will be along with an answer or opinion  Charlie 
 Lovin' what I do and doing what I love 
 Some guys can fix broken NO ONE can fix STUPID
 W8AMR
 http://fishertrains94.webs.com/
 Christian in training
 
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	01-13-2012 02:57 PM #3
 I can only say that I have a normal tach in my 69 GTO wired to an HEI distributor and it works great.
 The gas gauge needs 3 wires hooked to it. One to Sending unit. Another hooked to ground and the 3rd hooked to Ignition to work.Last edited by Trjohn57; 01-13-2012 at 03:00 PM. 
 






 
		
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