I have a 2000 Astro, when i start it up my headlights are running. Just changed the switch, same thing,,,is there a diode
Do they go off when you shut the key off?
My step moms 99 GMC jimmy is the same way, its nothing to worry about. I'm assuming the photo cell on the dashboard has gone bad and it defaults to come on all the time when that happens. That's only a guess and since they run all the time you won't have to worry about getting a ticket for your lights not being on.
Thanks John, this info was good! No one else seems to know what the problem could be.
some also have the option for "auto-lamps", ignition activated
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