Why do my headlights and gauges go dim when I stop at a light?

that is a indication of system voltage dropping, which can be cause by multiple reasons such as a failing battery or alternator, slipping belt, low engine idle to name a few. If you can not do the test needed to confirm what has failed and is needed to correct call 757-456-0722, let us know if you need a vehicle to drive while we diagnose and repair yours.