carlosbeldia Posted January 15, 2012 Share Posted January 15, 2012 I have just installed a new compressor in my car (old one was broken) and noticed there is always current in the compressor cable, so if the engine is running, the compressor is alwasy activated. I have just checked relays, cables, fuse, everything, with no results..... any idea? Quote Link to comment Share on other sites More sharing options...
carlosbeldia Posted January 15, 2012 Author Share Posted January 15, 2012 OK, I found the short circuit, is in the trinary switch (black circled wires are intentionally joint). Connector is C0279, in the photo. Fixing the short circuit didn't help, when fixed, compressor unit doesn't run at all..... some idea? Quote Link to comment Share on other sites More sharing options...
tacr2man Posted January 15, 2012 Share Posted January 15, 2012 Have you recharged the system , as the trinary wont allow system operation when pressure in system too low or too high . It would seem that someone (previous owner) bipassed the trinary , and in doing so , caused the compressor to fail . HTSH Quote Link to comment Share on other sites More sharing options...
carlosbeldia Posted January 16, 2012 Author Share Posted January 16, 2012 Ok, thanks a lot for explained me the function of the trinary.... It was recharged just 2 days ago, I think due to all the dirt in the system the technician didn't recharge it to the max pressure (system hasn't be used last 6 years), so maybe that's why it doesn't start when properly connected. I'll check tomorrow during the maintenance routine Quote Link to comment Share on other sites More sharing options...
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