jomo924 Posted January 24, 2008 Report Share Posted January 24, 2008 while working on my 92 seville (4.9) engine i found a small wire unplugged ,,, i found it on the passenger side of the firewall just laying there under where the harness (ecm i think) goes into the car,,, its a small plug roundish with a rubber boot on its shaft, it has 3 tiny wires in it and the plug end is female,,,,, WHERE DOES THIS GO??? I LOOKED AND CANT FIND ANYWHERE TO PLUG IT ,,, I AM WONDERING IF IT HAS SOMETHING TO DO WITH CLIMATE CONTROL OR WHAT??? Link to comment Share on other sites More sharing options...
Cadillac Jim Posted January 25, 2008 Report Share Posted January 25, 2008 If you don't have something that is not working, and if you don't have any OBD codes, then it's probably either for an accessory that you don't have, or for service access. Have you run the OBD codes? Here's how: http://www.caddyinfo.com/readingcodes.html -- 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...
jomo924 Posted January 25, 2008 Author Report Share Posted January 25, 2008 heat doesnt seem to work and during the summer a/c didnt work , but i am not positive the plug is part of those systems,,, a/c compressor kicks on but nothing blows out of vents and yes the blower motor is working at all speeds and i inspected it Link to comment Share on other sites More sharing options...
Cadillac Jim Posted January 25, 2008 Report Share Posted January 25, 2008 It might be the connector to the vacuum routing box. It's operated electrically by the ACM. You should have an OBD code that will tell you that the vacuum servos aren't working. Get the codes and post them here. -- 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...
Ranger Posted January 25, 2008 Report Share Posted January 25, 2008 The location sounds like it could be an A/C line pressure sensor, but your description sounds suspiciously like a vacuum line. Do the HVAC modes work OK? Does the parking brake release when you put it in gear? Can you post a picture of it? Link to comment Share on other sites More sharing options...
jomo924 Posted January 25, 2008 Author Report Share Posted January 25, 2008 its definitely a female electrical connector larry , it has 3 round female receptacles and the wires going to it are really small gauge 18gauge or so ,the tip of the entire connector is less than the size of a dime ,,,i am not getting any vacuum or a/c codes though the only consistent code the car gets is io39 ,,, also i really dont believe this is a connector for some accessory or option i dont have , it has one of those compression looking boots near the inserting tip,,, again the climate control is the only thing (besides the radio) that doesnt work ( the control seem to change numbers on the dash display and fan motor speed) but nothing blows out of any vent or duct at any time whether heat or defroster or a/c is on Link to comment Share on other sites More sharing options...
adallak Posted January 25, 2008 Report Share Posted January 25, 2008 its definitely a female electrical connector larry , it has 3 round female receptacles and the wires going to it are really small gauge 18gauge or so ,the tip of the entire connector is less than the size of a dime ,,,i am not getting any vacuum or a/c codes though the only consistent code the car gets is io39 ,,, also i really dont believe this is a connector for some accessory or option i dont have , it has one of those compression looking boots near the inserting tip,,, again the climate control is the only thing (besides the radio) that doesnt work ( the control seem to change numbers on the dash display and fan motor speed) but nothing blows out of any vent or duct at any time whether heat or defroster or a/c is on Your air mix door might snap off. Remove the glove box and you'll see it. Press 90 and watch it moving. The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
Ranger Posted January 25, 2008 Report Share Posted January 25, 2008 Boy, it has been so long since I have had my head under the hood of a '92 I can't help much more from memory. it has one of those compression looking boots near the inserting tip I think that is called a weatherpack connector. Obviously to seal out moisture. Link to comment Share on other sites More sharing options...
jomo924 Posted January 25, 2008 Author Report Share Posted January 25, 2008 ok now i know what it is called,,, WHERE DO I PLUG IT ???? I DONT SEE WHERE IT GOES Link to comment Share on other sites More sharing options...
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