8th Generation Honda Civic Forum - View Single Post - HOW and WHERE to hook up A/F ratio Gauge?

chaohliu · 08-29-2008, 10:47 AM

how many wires? if four, red is 12v power, black is ground, not sure what white is for and the green you have to run it down to the O2 sensor by your header/exhaust.

08-29-2008, 10:47 AM	#3 (permalink)
chaohliu Senior Member Join Date: Mar 2008 Posts: 508	how many wires? if four, red is 12v power, black is ground, not sure what white is for and the green you have to run it down to the O2 sensor by your header/exhaust.