Air/Fuel Ratio Gauge

[H22A91CB7]

I have a black wire a red wire and a purple wire,

how do i go about wiring this thing up??

[H22A91CB7]

[H22A91CB7]

c'mon guys i kno sum one has hook this ish up b 4

[CB7_91/DX]

Black= Ground Red= Power/ignition Purple= connects to da White wire on O2 sensor.

[H22A91CB7]

thankz

[CB7_91/DX]

thankz

No problem.

[benjerman112]

i didnt install mine a friend did but he wired it to the ecu.

[JDM ACCORZ]

you can wire it to the ecu but its more accurate on the o2 sensor

[93accordexcoupe]

you can wire it to the ecu but its more accurate on the o2 sensor

its useless anyway u wire it.

its the same wire on the ecu as on the o2 sensor, its where the sensor leads.

D14 i think ? ?

[ChIoVnIdCa]

you can wire it to the ecu but its more accurate on the o2 sensor

ummmm no.

[JDMchristian991]

its useless...if you cant tell your car is running rich or lean by just feeling it then