07 dodge ram 1500 the low beams don't work but highs work for about a year then the bulb blew so I replace it work for 3 days then out again out check the bulb and its find just replace the dimmer switch and still won't work was going to buy headlight switch but if not that then what do I check
If there is no power at the bulb sockets, check the fuses. Some cars have a thermo circuit breaker that resets when it cools down. If you have that type, it could be broken. Check the fuse box index to see if you have one.
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