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I vote for #1. I see in your later post you're gonna do that.
#2; this corresponds in '89 to a wire from AC relay pin 16 to ECU pin 14. That tells the ECU to open the AIC a bit to 'get ready' for the AC to engage. I think the difference is: In '88 the ECU was notified of the AC by seeing the voltage applied to the compressor clutch. In '89 the AC relay notifies the ECU about 0.3 seconds early. Either way, its the AC sending a signal to the ECU, not the other way.
Does this help?
posted by 131.184.14...
Posts in this Thread:
- LH/ECU's, here we go again!, Jerry 3-Saab, Tue, 18 Jun 2002 23:34:20
- I'm not a guru, but, Mr. Science, Wed, 19 Jun 2002 11:40:50
- further info, KeithG, Wed, 19 Jun 2002 10:29:22
- Re: LH/ECU's, here we go again!, KeithG, Wed, 19 Jun 2002 10:01:46
- When in doubt..., GregD, Wed, 19 Jun 2002 00:09:08
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