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Riveted1 · 10-11-2008, 02:38 PM

Replacing the beaten up engine harness in my 67. My truck has HEI now, so I ordered a M&H harness w/the HEI conversion built in. Trying to figure out what the pink/yellow and the blue wires are. I'm assuming the pink/yellow is the power for the HEI. But what is the blue? Is that a tach wire maybe? Or somewhere I saw a blue wire for an electronic oil pressure gauge? I can double check w/the meter here in a while, but thought I'd post and see if anyone knows for sure before I burn something up!

10-11-2008, 02:38 PM	#1
Riveted1 Tasty Cakes! Join Date: Apr 2003 Location: Gilbert, AZ Posts: 2,112	Another wire I need help identifying Replacing the beaten up engine harness in my 67. My truck has HEI now, so I ordered a M&H harness w/the HEI conversion built in. Trying to figure out what the pink/yellow and the blue wires are. I'm assuming the pink/yellow is the power for the HEI. But what is the blue? Is that a tach wire maybe? Or somewhere I saw a blue wire for an electronic oil pressure gauge? I can double check w/the meter here in a while, but thought I'd post and see if anyone knows for sure before I burn something up! Attached Images __________________ I'm a little and a lot Ground beef: A cow with no legs. ---------------- '66 Chevy SWB "Penny" '67 Chevy Big Window SWB- aka "Pearl" '72 Burb- "Betty" "It's not a hearse dammit" '99 Chevy Ext. cab Silverado Last edited by Riveted1; 10-11-2008 at 02:39 PM.