My front driver low beam keeps going out. It is not the bulb, we tested that. We were told it's an ongoing problem of KIA Optima wiring low beam headlight. what do I need to do to fix this problem.

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04 Sep, 2017

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If the connections to the bulb are ok then it must be either the supply or the ground and using a test lamp is the best method of discovering which.

An increasing number of cars produced over the last 15 years are computerised and actually switch on wipers, lights, heater and so forth so if that applies to your car it would be unwise to delve too deeply without referring to a wiring diagram.
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