| Subject: | Re: Oxygen sensor-replace or unplug? |
| From: | T Berk |
| Date: | Tue, 12 Jun 2001 14:08:53 -0700 |
Brian Doss wrote:
>
> The Ox sensor I bought from one of our list vendors had (2) white
> wires. I
> was under the impression that the polarity of the wires did not
> matter, is
> this wrong?
> ('88 2.1 L Engine)
>
> BD
Three wire O2 sensors have One Signal Wire and Two Heater wires; One for
Ground, One for switched 12v+.
Polarity is not an issue.
hth,
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