DADDYMACK BURNS Posted November 28, 2014 Report Share Posted November 28, 2014 My heat vents will not open , blower is fine, but when I turn it on I don't hear that click opening the vents, could it be a fuse? or what? Please help themoose680 Link to comment Share on other sites More sharing options...
Cadillac Jim Posted December 14, 2014 Report Share Posted December 14, 2014 It's probably a vacuum hose. Run the OBD codes and post them here. They will tell the tale. -- 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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