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Not pin 30 either 200 1992

uid 27's pic
posted by  Art Benstein on  Fri Oct 30 12:21 CST 2020
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last visit: Fri Oct 17 20:10 CST 2014
[RELATED]

Oh my.

"How robust would this signal be in a less than ideal contact?"

I don't know. Less than ideal is impossible to translate to quantity. Here's what it looks like:





Edit: Although it is pulsed in time with ignition, the amplitude is also increased with load.

"Not pin 30 either"

Fact is, you can't eliminate anything but the signal on the harness probing from the back of the ECU connector. If there's a connection issue, those measurements would need to be made from the ECU board itself. And, the chassis metal has no connection to circuitry inside the ECU. Grounding a meter there depends on the bracket and mounting to the car.

Did you hose down the terminals yet, or are you still bent on pinpointing the intermittent?
--
Art Benstein near Baltimore

The professor discovered that her theory of earthquakes was on shaky ground.






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