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I REALLY need more help on this no cranking business 200 1989

uid 18083's pic
posted by  lucid on  Thu Jul 21 04:26 CST 2005
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

The small starter wire (blue yellow as I recall) provides +12v with KEY in position II (before actually cranking). This is an obvious issue.

Is this with the b/y wire connected or not? If connected, it might actually be coming from inside the (inop) starter.

As for the ECU connection, I think the ECU wants/needs to know when there's cranking going on -- possibly to alter injector pulse timing for the slow revs or something.

I can't see any plausible source for +12V on that wire if it's disconnected.
--
Bruce Young
'93 940-NA (current) — 240s (one V8) — 140s — 122s — since '63.






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