I still have a feeling it might be the headlights, the bulbs. Reason being, is, I used to replace mine, both, at the same time, until, a mechanic told me not to do that because, they both could burn out, and, at the time when you need them most. So, I stopped doing that. When, one burns out, I do one... until, the other one burns out. But, it might be also, the relay switch, and, I am sure him and his girlfriend will fix this. Maybe, the older woman he bought this from, did the same thing, I used to do.