These three fans have essentially nothing to do with how well the A/C works, best to think of them more as additional cooling for the engine to compensate for the increased load. The condenser fan (the 12" supplemental fan only on GTE equipped MKIIIs) does help the A/C but it's not going to keep it from working. The pre89 MKIII only had one of the small (5" or so) aux fans (it's white and right next to the main cooling fan).
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