wire diagram for a 4-wire O2 sensor - Saab 9-5 Bulletin Board - Saabnet.com
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wire diagram for a 4-wire O2 sensor
Posted by August (more from August) on Tue, 14 Jan 2003 18:48:09
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I am hooking up a Air/fuel meter and need the correct information on the 4-wire O2 Sensor. I think I have the correct information , but its allways better to ask before i break things.
1 white wire = 12vdc
2 white wire = chassis gnd
3 gray wire = O2 PCM gnd
4 black wire = high performance PCM signal (signal wire)
can anyone confirm this ?
Thanks
posted by 12.240.162...
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