Skip to main content
Gerry | Vanagon
Checking account...
← vanagon.com home · Continue the discussion in the forum
Subject:O2 sensor
From:Richard A Jones
Date:Wed, 12 Apr 2006 20:02:17 -0600
> the oxygen sensor generates it
> own voltage and uses the exhaust for its ground.

So one-wire is 12V, and 3 wire has wire 2,3 for the
heater.  Again, see Ken Lewis's site for great info:
http://neksiwel.20m.com/photo5.html

                        Richard A Jones
                        Boulder, Colorado