I connected everything right and it is functioning correctly however I do not know what are the correct readings I should be seeing for the battery voltage as well the Air/Fuel Ratio. Can someone tell me or just post up what readings they are getting?

 

the air fuel ratios will be no different than the autometer LED gauge...pure crap. That is unless you have a wideband o2 sensor and the Turbo timer is setup for that. The voltage levels i see on my GReddy tt are in the 13.2-13.8 range.

-Zach

 

^^ ditto

 

As stated above your A/F readings are kinda crappy. I get 14.8 to 20 under slight accelaration.

The voltage should read in the 13 volt area, at least above 12, I'm sure someone will correct me if I'm wrong!!!

 

Why Let me
Stock AFR voltages should be 0-1V Wideband typically is 0-5V

 

I typically see anywhere from 13.5-13.7V when the engine is cold (with anywhere from 13.7V to 14.0V at the battery terminals using my multimeter).

Once the engine has warmed up I see at around 13.0 to 13.2V during daytime. At night with the wipers/lights/aircon on I will see 12.5V to 13.0V at idle and about 13.0 to 13.2V when cruising...Every now and then it will drop to 12.0V and my idle will go screwy for a moment until the revs jump again when the aircon cuts in...this really pisses me off and I believe I need to rethink my grounding efforts.

At Idle (engine at operating temp) my a/f voltage will be at about 0.97V. When cruising it will naturally fluctuate and at hard acceleration (WOT) I will see 0.93 to 0.98V... hope these figure help you out.