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BLACK AND BLUE 67-72 · 10-11-2008, 10:06 PM

Yellow and pink are the HEI wires, and the blue is for the oil pressure sender, if you have the light only. I know this because I bought the same harness a couple of years ago, it all plugged in and has worked great!!!

10-11-2008, 10:06 PM	#5
BLACK AND BLUE 67-72 Firefighter Join Date: Feb 2001 Location: Yellville, Ar, USA Posts: 1,943	Re: Another wire I need help identifying Yellow and pink are the HEI wires, and the blue is for the oil pressure sender, if you have the light only. I know this because I bought the same harness a couple of years ago, it all plugged in and has worked great!!! __________________ '72 Chevy SWB 350 Auto '67 GMC LWB 350 4 speed '70 Chevy 4x4 Stepside 350 Auto Yellville, Ar. USA