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The most common cause for your 1997 Honda Civic lights to dim is a bad alternator. The alternator is not charging the battery. The battery retains a small charge, but not enough charge to run the engine.
Either your battery is dead, or your alternator has failed.
If there is power lost, lights that dim and a battery light that comes on there is most likely a connection that is loose somewhere. It would be best to check the alternator or battery cables.
yes. to much corrosion on terminals can cause this. if your car starts right up after sitting all night, chances are your alternator is OK. clean terminals.
Perhaps a weak battery? How old is battery?
The headlights place a larger load on the battery and cause the voltage to drop enough to dim other devices slightly.
Flat battery !
starts slow, lights dim on starting.
A Low battery could cause this - try getting a jump from someone,when it is cold the battery will, if they are low sometimes, not have the cranking power needed to turn over a cold engine. To test if your battery is low turn on your lights if the lights are dim then it is your battery.
Weak battery? not holding a sufficient charge Alternator not charging battery sufficiently?
A bad ground wire will cause dim headlights, or will cause lights not to work.
There are several things that can cause your GMC Envoy dim lights not to work. The most common cause is a blown fuse. A loose or corroded ground wire can also cause a problem.