Low-beam headlights keep burning out after a few months on my 2010 Silverado. Or, so I thought. Been having the low-beams go out every few months. I buy new ones and they work great for a few months. The driver's side low-beam has been out for a few weeks. Then the passenger side low-beam also went out and the same day... the driver's side low-beam came back on. I didn't replace the bulb. They're both out now. I thought I was blowing the bulbs somehow. But, now I'm wondering if it's an electrical issue. But, if that's the case, why do new bulbs always work?
Any help is appreciated!