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Air conditioner control relay


ssarchette

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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...

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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.

CTS-V_LateralGs_6-2018_tiny.jpg
-- 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.

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