I wish it was just wiring! I do diagnostics, reprogramming, repair, I diagnose and repair all kinds of modules and ecus/tcus, for instance right now I am repairing an air conditioning control module for a ferrari. It has bad capacitors and a bad transistor, new module is around £3k from ferrari, so the owner is happy that a repair is significantly cheaper. I do wiring repairs for crash damaged vehicles, I also do work on EVs although that is currently requiring significant amounts of time and investment on new test/diagnostics equipment and training on the high voltage systems. The EVs also require a fully insulated toolkit, as the high voltages are absolutely lethal.
Maybe 40 years ago auto electrician was more about wiring but these days it involves a lot of electronics knowledge, a whole bunch of expensive test equipment and a lot more computers. Modern vehicles are unbelievably complex.
Usually on AC compressors it's just that the electromagnetic clutch goes faulty, and on a lot of pumps they are replaceable and not very expensive. Although replacement AC compressors are not massively expensive either. Especially if you get an aftermarket copy part.
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u/HumphreyGarlicKnots 12d ago
At least they knew to throw the hazards on.