Air/fuel O2 Sensor Wiring

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Jun 4, 2007 | 05:43 PM

mortificationrock

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From: Streets Of L.A.,CA

Air/fuel Wiring

hey does anyone know what wire is the signal wire on the 02 sensor to hook up a air/fuel gauge! Thanx for any input!!! Please dont answer by search since im installing as i speak and need a quick answer!

Jun 4, 2007 | 05:50 PM

mortificationrock

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From: Streets Of L.A.,CA

Re: Air/fuel Wiring (mortificationrock)

Bump cuz i really need help asap

Jun 4, 2007 | 07:24 PM

sireg6

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From: So cal, Ca, USA

Re: Air/fuel Wiring (mortificationrock)

i think the green on the 4 wire...someone correct me if im wrong

Jun 4, 2007 | 07:29 PM

LSVTEC426

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From: Pittsburgh, Pa, Usa

Re: Air/fuel Wiring (mortificationrock)

i could be wrong but i thought it was one of the black ones

Jun 4, 2007 | 07:46 PM

mortificationrock

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From: Streets Of L.A.,CA

Bump !!! Anyone else that might know! Its a 4 wire 2 white 1 black 1 grey which one is the signal!!!!! Any help!!?? anybody hooked up a air/fuel gauge!

Jun 4, 2007 | 07:55 PM

LSVTEC426

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From: Pittsburgh, Pa, Usa

Re: Air/fuel Wiring (mortificationrock)

dude on mine black was the signal

Jun 4, 2007 | 08:16 PM

tech8

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If it is a Bosch 4 Wire with the colors you listed:

Black is the signal (+)

************************
Black wire - Signal (+)
Gray wire - Signal (-)
White wire - heater
White wire - heater