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Could you use a relay(s) to turn the headlights on and use the factory harness for the relay on/off signals?



Not sure electrics not my thing , more research tells me that the computer is reading either a high voltage spike or a low voltage drop on my left low beam only and after a few spikes or drops the computer shuts down that particular circuit, to open up the circuit again a computer scanner is needed to search the codes and clear them to restore the low beam, so I guess I need a good scanner to clear, also this problem on my truck is most likely related to my snow plow wiring probably not too bad but I need that scan tool first, any suggestion on a good one that can read all the codes?