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Customize 1982 CIS computer 200

posted by  rusteebrick on  Sun Oct 7 07:35 CST 2007
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last visit: Wed Aug 20 10:24 CST 2014
[RELATED]

My '82 wagon has the Constant Idle Speed system, controlled by a separate little computer box. One of the features of this system is that it raises the engine idle whenever the AC system is energized. More than once I've wished the idle was boosted just a little bit more when the AC's on. (Why? More rpms on the compressor, more air through the condenser and radiator; basically more cooling and steadier idling.) As it happens, I have an extra CIS computer box. It would be great if there were some (fairly simple) way to modify the circuit so that the elevated idle could be adjustable, or simply increased a bit. Any good ideas?

Thanks in advance for all your help!






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