Re: 90 AC - system functions, electrical relay not enabling - Saab 900 Bulletin Board - Saabnet.com
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Do you have a good ground in pin #31 of the AC relay socket?
I think(?) pin #16 is a signal FROM the AC relay to the ECU, allowing the ECU to anticipate what it needs to do with the AIC valve to hold idle. I bet it energizes just a moment before the compressor kicks in. (when you get it working...)
What do you have on pin 50 of the relay socket? I think that might be a starter signal. The AC relay is supposed to have a delay timer, so it will not engage for a few seconds after the starter is operated.
Posts in this Thread:
- 90 AC - system functions, electrical relay not enabling, DET, Wed, 10 Aug 2005 10:37:37
- Re: 90 AC - system functions, electrical relay not enabling, Micah in NC, Wed, 10 Aug 2005 14:01:26
- Re: 90 AC - system functions, electrical relay not enabling, JimBlake , Wed, 10 Aug 2005 13:26:31 <-- Viewing This Message
- Re: 90 AC - system functions, electrical relay not enabling, vsfoxe , Wed, 10 Aug 2005 12:53:06
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