Thanks to all who responded, especially Tom and Wyatt. The problem is that the charge is low. Jumping the low pressure switch resulted in the compressor clutch coming on and everything running as it should with a proper charge. I now have several more clean electrical connections that have been coated with dielectric grease. Now to take the AC test so I can buy some R12! No, I'm not going to convert it. There is still pressure in the system, just not enough. When I depressed the shrader valve on the low pressure side there was a definate pfffist (the engine was off). Has anyone tried adding Freeze 12? What I read indicates that it will work.........but? Chris 06301 To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/