heated O2 sensor questions
Thread Starter
Instructor
Joined: Sep 2001
Posts: 105
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From: Baltimore Maryland
heated O2 sensor questions
I have a 92 coupe and its sensors are not heated , and i need heated O2 sensors, so , I called t.p.s and they have a 3 wire one for 60$ a piece, so I called a local parts store for 94 heated ones, and they had them for 40$ a piece, but a friend of mine can get them free, my question is will they work and if so how do I wire them, what wires go where, which is signal, which one is a 12volt source, and which 2 are grounds, thanks any one who can tell me.. :chevy :crazy: :chevy
Drifting
Joined: Mar 2001
Posts: 1,636
Likes: 3
From: Lafayette IN
Re: heated O2 sensor questions (Gogobig92)
For a 3 wire sensor, the black wire is the signal and the 2 white wires are for chassis common and +12. It doesn't matter which on of the white wires goes where. The heater for the O2 draws about 1 amp, so if you feel the need add a fuse or relay, do so. -Matt-
