If the compressor will run while jumpering the cycling switch, the system is
refrigerant. If it won't run with the switch jumpered, there is a common problem
latr 90s Escorts with a failure in the Constant Control Relay Module. I've never
across one personally but the subject comes up often at
http://www.acsource.net/acforum/ . There is a work around if it has a CCRM
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