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Okay so since AC control unit is missing on the CAN bus, I took it out to check, and found out there are only 2 connectors connecting to my AC unit, the large black and red connectors, missing the small black and beige connectors, there are 4 plug wells in the back of the AC unit, and I watched couple of YouTube videos and they all have 4 connectors, mine is installed in the bottom of the center dash so I removed to top CD holders and side panels trying to find the 2 missing connectors, but I cannot find them so mine just uses 2 connectors?
I printed out wire diagram of 2001 Boxster and control unit is labeled as M573, all I see are pins for connector B (red) and D (large black), don't see any pins for connector A (small black) and connector C beige, my AC unit part number is 99665310107.
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