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Q: dash lights on 2007 Buick LaCrosse

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
when turned on the only bright dash light is the MPH the rest are so dim you can't see them then for no reason they will work fine
I think there's an electrical module that controls the dashlights in response to the brightness adjustment that may be failing.
You may want to find an auto electrical shop or a GM specialist to help you.
If you want to try to diagnose it, there are online manuals available for a small price.
Here are two sources for you:
For AllData:
Here's the one for Mitchell as well:
If you want to find a Buick specialist, here's a directory link for you:
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