Anyone have an electronic climate control unit for a 92? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 07-04-2007, 11:09 AM   #11
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Lol, ok, I do have a little more electonics knowledge than that. I was reading the voltage from ground to one side of the sensor plug. Thats why I found it so odd that when I connected the jumper there was no voltage there, I can't explain it. How do the high and low pressure sensors connect to each other? Do they both connect back to the programmer and if so, does anyone know which wires they are on the programmer so I can check them there? Anyone have a schematic they'd be willing to share?
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Old 07-04-2007, 12:02 PM   #12
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Default Re: Anyone have an electronic climate control unit for a 92?

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Originally Posted by blawton_25
I've determined that at least some of my problems stem from my climate control unit. Anyone have one they want to sell?
Jay here, I do have one as a spair but am not yet ready to sell it. I too have a/c problems and to this Club I found 4 diagnostic codes and am currently searching for a solution. I'll let you know later, if you are still interested, in buying the ECC unit.
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Old 07-04-2007, 12:58 PM   #13
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The ECC unit is not his problem.
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Old 07-04-2007, 08:38 PM   #14
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Update: Today I unplugged the big plug on the HVAC programmer and did my best to trace the wires to and from the low and high pressure sensors. I found the two for the low pressure pretty easily, the high pressure on the other hand showed two locations on the plug for the outgoing and incoming wire to the sensor, so in frustration I plugged it back into the programmer and voila, like magic everything started working, not sure if the plug just wasn't seated properly or if maybe my probe moved one of the connectors and it finally made contact, but I get nice cold air from the right vents!!!! Now my only problem is that I can no longer get a good stream from the dashboard vents when I put it on defrost...but I have air!!!! Thanks to those who have helped.
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Old 07-24-2007, 12:10 AM   #15
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Default What you did

When you unplugged the ECC you reset the system. You can do the same by clearing the codes or disconnecting the negative terminal to the battery. When a sensor shows a problem, many times it will kick the ECC out and it needs to be reset.

My best guess.....I've had the same problem in the past.
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