Turbo timer with a/f ratio installation

kenken · Post by **kenken** » April 10th, 2007, 9:08 am

i just bought a turbo timer with a/f ratio..there are 6 wires from the timer, gey,white,black,red,blue,green.

im having problems trying to make the a/f ratio function work.
the manual says " white wire goes to the o2 sensor signal from ECU " and " black wire goes to the ECU ground ".

after reading the official wiring diagram and the chilton's manual, i know that the white wire from the ECU is the o2 sensor signal from ECU. but i dont know which wire is the ECU ground..

mr1in6billion · Post by **mr1in6billion** » April 10th, 2007, 6:40 pm

It would help to know what car you have.

kenken · Post by **kenken** » April 11th, 2007, 8:15 am

my car is a mx3 1.8l gs
pls help thanks

ryan_Fuerte · Post by **ryan_Fuerte** » April 11th, 2007, 3:48 pm

well i believe that the red/blue stripe is the feed for the front o2 sensor, i think the white is for the heating element. Try hooking it to the red/blue wire, and any ground is sufficient, because the ecu is grounded to the chassis anyways.

-Ryan

kenken · Post by **kenken** » April 12th, 2007, 6:40 am

i just tried to wire the blue/red..it doesnt work either. can anyone help?