[jocww]

how do u hook up a air/fuel ratio guage i want to get one and am planning it.

 

[John_Muha]

Never hooked up one but if you post the wiring instructions I'm sure it can't be that hard to do. Someone will help you figure it out.

 

[rick]

The gauge will have 3 connections. Power, Ground and signal. The signal wire goes to an O2 sensor. If you use a heated O2 sensor, it may come with 2 white wires and 1 black. The white wires are power and ground, the black is the signal to the gauge.