ssarchette Posted July 10, 2007 Report Share Posted July 10, 2007 I am new here so bear with me - I had a new compressor - all the things that goes with it put in my 1993 Cadillac Deville and replaced the relay - IF I run a hot wire to the battery it will kick on - other wise the compressor will not kick on - Is there another relay i need to change or what could it be - Thanks for any help you can give me - I am at shades@fidnet.com. Thanks... Link to comment Share on other sites More sharing options...
Cadillac Jim Posted July 10, 2007 Report Share Posted July 10, 2007 If the air conditioner module (ACM) finds a problem with the system, it will throw a code and lock out the compressor. Here's how to get the code: http://www.caddyinfo.com/readingcodes.html If there are no codes, then I would look for fuses first. -- Click Here for CaddyInfo page on "How To" Read Your OBD Codes-- Click Here for my personal page to download my OBD code list as an Excel file, plus other Cadillac data -- See my CaddyInfo car blogs: 2011 CTS-V, 1997 ETC Yes, I was Jims_97_ETC before I changed cars. Link to comment Share on other sites More sharing options...
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