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2002 olds bravada
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2,369 Posts
if its the bulb i'm thinking it is, then its a 194. but not 100% sure.
 

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2004 chevy trailblazer_ls
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1,483 Posts
i know 194 is the little one but then theres the other one behind the amber
The OEM bulb is a 3457, but I believe you can also use a 3157 bulb if you shave the tabs off the side. (that is, if it's the same as the TB.)

3157 LEDs are a lot more common. I've had a set of Silverstar 3157's in my parking lights for the past year with no problem. With a little trimming they fit right in
 

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2003 gmc envoy_slt
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7,190 Posts
Any time you need owners manual info, it is in the drop down menu at the top of the page under resources. It takes a while to down load.
 
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