Why my magsafe 2 light suddenly goes off
Been a while ago, my all electrical devices burnt because power surge that I lived, fortunately I repaired all devices except magsafe 2 45 watt, I replaced all broken power components of magsafe 2 (capacitor, varistor, fuse and inductor) then I connected 39k ohm resistor to output pins (0.6v without connecting 39k ohm) and I saw 15v on output, It worked technically and charged my MacBook as well but sometimes light turns off suddenly and charging stops, after unplugging cable and plugging it again, It starts charging again but not for long, I can't estimate what's wrong with it, thanks in advance.
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