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Pressure Differential Switch for Terminal 11 Grounding 200

posted by  Chief Rider on  Fri Jun 10 20:35 CST 2005
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Trying to replicate the '82 acceleration enrichment circuit for my 1980 B28. Does anyone know the part number of the pressure differential switch used on the '82 set up. I can't find a reference for it on the internet. From the Haynes Manual "...during acceleration, manifold vacuum overcomes the diaphragm spring to close the electrical contacts, which grounds terminal 11 of the Lambda ECU to provide a richer air/fuel mixture...". Maybe the 240s used a similar pressure differential switch? Maybe there's a generic type of pressure switch I can look for? Just looking to be able to apply ground to terminal 11 during acceleration. Thanks for any help!!





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