I'm trying to install this guage in my car but I don't want to mess up my o2 sensor...now there's 3 wires from the guage....red,black,and gray...I beleive that the red and black are for power but I'm not sure what gray wire should I hook up to.....I have a 99 b16 o2 sensor wires and there's for of um....but not sure which wires I should hook it up to....help me out yal...

 

What happened to your instructions?

 

I have the instructions......I just need what color wires to hook to in the car o2 sensor

 

look at your o2 sensor how many wires does it have?

 

I have 4 wires

 

well on the gauge the blk n red is power n ground the 3rd wire goes to the white wire on the 02 sensor

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by vtekstorm &raquo;</TD></TR><TR><TD CLASS="quote">well on the gauge the blk n red is power n ground the 3rd wire goes to the white wire on the 02 sensor</TD></TR></TABLE>

correct ! ding ding ding