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Looking to upgrade my headlights and backup lights to LEDs. Anyone know what the model# or type, whatever, of the various bulbs in the car? Can't find it in the manual (man, this book really doesn't tell you ANYTHING...)
 

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2021 Chevy Trailblazer RS AWD
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142 Posts
Typically, bulb specifications are not found in the owner's/operator's manual. This would be more of a parts manual listing. Perhaps a friendly Chevy parts counter person could help you? If I were really wanting to do something of this nature, I would only trust me and my eyes by removing each bulb and reading the numbers. I wish I could be of more help. Good luck.
 

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2021Trailblazer RS AWD Scarlet Red Metallic
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The healdight bulbs are definitely 9005 low beam and H9 high beam for models that have factory halogen lows and highs. If you have factory LED low beams the highs are still H9.
 
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