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Green wire is the O2 sensor signal... 200 1991

uid 18083's pic
posted by  lucid on  Wed Mar 16 10:46 CST 2011
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

...You need to measure voltage on the Yel/Red from fuse 4 -- with motor running.

It's in a nearby 2-pin plug, with the other wire being Black to ground. Measure across those 2 socket terminals (unplugged) for the same voltage you saw ay fuse 4.


--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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