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Chevrolet Trailblazer Bulb Size Guide

2002~2009 Chevrolet Chevy Trailblaizer / Trailblazer EXT Bulb Size Guide

When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 2002~2009 Chevrolet Trailblazer/ Trailblazer EXT; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.


​High beam headlight: 9005; Low beam headlight: 9006
​Fog light: 880 / 893
Front turn signal light ( blinker light)/ Parking light: 3757AK / 3157-SCK / 3757A
Rear turn signal light/Brake light / Tail light: 3157 / 3157KX / 3157-SCK
Back-up reverse light: 3157 / 3157KX / 3157-SCK
License plate light / Tag light: 2825 / 2825L / W5W
Interior Dome light: 212-2
Interior Map light: 2825 / 194 / 2825L
Interior Trunk / Cargo area light: 211-2
Front side marker light : 194
Glove box light: 194
3rd Brake light / Center high mount stop light: 912
Vanity Mirror Light for 2002~2005 models: 37; for 2006~2009 models: 7065
Luggage compartment light: 212-2
Courtesy light: 194

Vehicles incluces: 2002, 2003, 2004, 2005, 2006, 2007 Chevrolet ( Chevy )Trailblazer/ Trailblazer EXT