I have an 2005 and the headlights on it will dim, and then brighten back to normal. I bought it brand new, and it has done it since I bought it. I actually took it back to the dealership, and asked them about it, and they said that Chevy knew that it would do that, but that the car would keep running, and that there was nothing that they could do about it. Hope this helps.
Probably your alternator.
replace your head light switch
you might have a short in your alternator. In my car the headlights would dim when I put on the brakes or tried to use cigerette lighter to power up my phone.
it is caused by the alternator voltage regulator switching on and off to charge the battery, this problem is encountered on many makes of car, you may not of noticed it before prior to exchanging the battery.
Alternator is failing.
On my 89 Probe it overcharged because I needed a new alternator. Sometimes a bad computer causes "spikes" in the voltage. In this case, turn the headlights on at night, if they flicker like high beams, then the computer is NG. -CE
a flat battery
The primary causes for the lights to flicker inside on a 2002 Chrysler Sebring LXI is a loose bulb or wire. This can occur when the vehicle has experienced rough road conditions and excessive vibration.
Check the catlytic converter for blockage
Have had this happen periodically in my
Front hubs my be wearing out.
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