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How does the AC system work in early OBS models?
OK, I want to address the comments made on the third page that I had not read. So, I am learning that the ECU monitors the The air inlet valve motor pressure switch to decide weather or not to engage the AC clutch. In my case I will just wait for the refrigerant pressures to equalize before I...- bilbur
- Post #27
- Forum: Engine Performance + Maintenance
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How does the AC system work in early OBS models?
The best solution (in my situation) for Recirculation / fresh air damper control is to take the single wire connection on the compressor ( Which is the air inlet valve motor pressure switch) and ground it to the block. Otherwise, the system relies on higher head pressure to select...- bilbur
- Post #26
- Forum: Engine Performance + Maintenance
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kennythewelderOfficially Retired, B31-3 (6-G) certified welder.