STSSCOTT Posted August 1, 2009 Report Share Posted August 1, 2009 OK: I'm almost there, got a new low and high pressure sensors for my 95 STS for the A/C, but it looks like there are 2 low pressure sensors? Is this true? There is one near the orifice tube and one straight back behind the engine??? thanks in advance Scott Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 1, 2009 Report Share Posted August 1, 2009 OK: I'm almost there, got a new low and high pressure sensors for my 95 STS for the A/C, but it looks like there are 2 low pressure sensors? Is this true? There is one near the orifice tube and one straight back behind the engine??? thanks in advance Scott No, there should only be one, see this diagram, see #13, you might be thinking of #1 the low side thermister Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
STSSCOTT Posted August 1, 2009 Author Report Share Posted August 1, 2009 OK: I'm almost there, got a new low and high pressure sensors for my 95 STS for the A/C, but it looks like there are 2 low pressure sensors? Is this true? There is one near the orifice tube and one straight back behind the engine??? thanks in advance Scott No, there should only be one, see this diagram, see #13, you might be thinking of #1 the low side thermister you are exactly right!! now i see where the high pressure switch goes too, like they sat a picture is worth 1,000 words!! Thank You SO MUCH! Scott Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 1, 2009 Report Share Posted August 1, 2009 Glad I could help, Mike Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
STSSCOTT Posted August 1, 2009 Author Report Share Posted August 1, 2009 Glad I could help, Mike Changed everything, Compressor, dryer, orifice tube, pressure sensors, pumped it down, charged it and still cannot get the compressor to kick on, i'm at a loss! scott Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 1, 2009 Report Share Posted August 1, 2009 Glad I could help, Mike Changed everything, Compressor, dryer, orifice tube, pressure sensors, pumped it down, charged it and still cannot get the compressor to kick on, i'm at a loss! scott Check codes Clear codes, by disconnecting the battery if the low pressure code is set, it wont start Have you checked for power at the compressor? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
STSSCOTT Posted August 3, 2009 Author Report Share Posted August 3, 2009 Glad I could help, Mike Changed everything, Compressor, dryer, orifice tube, pressure sensors, pumped it down, charged it and still cannot get the compressor to kick on, i'm at a loss! scott Check codes Clear codes, by disconnecting the battery if the low pressure code is set, it wont start Have you checked for power at the compressor? I disconnected the battery for a couple hours, and when a friend of mine took the car to his garage he jumped something to get the compressor to kick in, so O know there's power Link to comment Share on other sites More sharing options...
BodybyFisher Posted August 3, 2009 Report Share Posted August 3, 2009 What did he jump? Pre-1995 - DTC codes OBD1 >> 1996 and newer - DTC codes OBD2 >> https://www.obd-codes.com/trouble_codes/gm/obd_codes.htm How to check for codes Caddyinfo How To Technical Archive >> http://www.caddyinfo.com/wordpress/cadillac-how-to-faq/ Cadillac History & Specifications Year by Year http://www.motorera.com/cadillac/index.htm Link to comment Share on other sites More sharing options...
STSSCOTT Posted August 3, 2009 Author Report Share Posted August 3, 2009 What did he jump? He jumped the A/C relay, he seems to think it is not getting a signal from the computer Link to comment Share on other sites More sharing options...
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