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Idle speed adjustment question (perhaps stupid) 200 1987

posted by  Wiglaf on  Tue Oct 21 05:47 CST 2008
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last visit: Wed Sep 10 12:54 CST 2014
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In the FAQ I read :


"(Pre-1989 only:) For this, you will need a tach/dwell meter. You need to read engine rpm. Warm the engine to operating temp. Here s the tricky part. There is a blue connector behind the battery with nothing plugged into it . There should be a blue/white wire in the connector. Ground this wire it shuts off the idle speed motor so that base idle can be adjusted with the black knob on the throttle housing. Base idle for this car should be 700 rpm. When the ground lead is disconnected the idle should go up to 750rpm's +/- 20 rpm's."

How best to "ground this wire" as stated? Lots of cautions on this in Bentley against getting the wrong connection grounded. Just a probe and a clip?

Wiglaf






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