which ports for O2 sensor (380SE)

Does anybody know which ports on the X11 diagnostic pod you plug a voltmeter into to read the number of volts from the O2 sensor on a 1985 380SE? Thanks,
Richard
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TRY: http://www.landiss.com/mixture.htm
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Nope, that's the CIS-E system, which uses different ports for different things than the CIS system.
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