I would agree with the above comments.
The Motor trade needs skilled and experinced elctricians and in general the trade lack this range of expertise. Partly due to the fact that most garages will not fund training ! because customers dont want to pay for the seriously experinced to work on their cars !!!!!!!!!!
You will need quite some years of experince at diagnosing faults and understanding can systems and using scopes. Scope diagnostics is a must these days and once again most garages lack .
In general repairs are carried out as swapnostics ! or what I call guessnostics or googlenostics !! or even worse down the pubnostics !
If garages had seriously experinced staff working in them most repair jobs would be a first time fix and mostly same or next day.
As a diagnostics specialist and technical trainer I see many vehicles where repairs have been atempted over a period of 3-6 weeks and the same faults excists when I turn up !
Grab a few years working as a sparky in a diagnostics centre or auto electrical specialist and take as many courses as possible. Bosch & Delphi both very good and scope courses.
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