Wire next to o2 sensor wire
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Wire next to o2 sensor wire
Hey guys i have a 1991 formula firebird with 305. theres a wire that comes from the same place as the o2 sensor wire its unplugged and id just like to know what it is. replies will be appreciated thanx.
Joined: Sep 2005
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Car: Yes
Engine: Usually
Transmission: Sometimes
Axle/Gears: Behind me somewhere
Re: Wire next to o2 sensor wire
Likely the fan switch... check to see if something between the #6 and #8 spark plugs is missing its wire.
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From: Siloam Springs AR.
Car: 1998 Trans/Am, 1989 RS Camaro
Engine: LS1, LQ9 6.0
Transmission: 4L60E, 4L60E
Axle/Gears: 2.73, 2.73
Re: Wire next to o2 sensor wire
These have to be my fav threads.... No pics, no wire color, nothin.
Junior Member
Joined: Jul 2012
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From: tacoma washington
Car: 1990 camaro rs
Engine: 305 tbi-slug
Transmission: automatic 4spd
Re: Wire next to o2 sensor wire
very interesting i have this same wire coming out of the plastic shroud exactly next to the 02 sensor wire and niether my temp guage or oil guage seem to work,maybe its one of those and just came unplugged.thanks
Supreme Member
Joined: Jul 2009
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From: Kitchener, ON
Car: 1988 GTA
Engine: LB9
Transmission: T5
Axle/Gears: 3.45
Re: Wire next to o2 sensor wire
The last 2 wires that come out of the driver's side harness are the O2 sensor and the temp sending unit wire. Sender is located inbetween cyl #1 and #3.
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