Having problems with your 2003 Chevrolet Trailblazer Ext ?
2003 Trailblazer has no lower brake lights or upper brake strip, the only thing working is the turnsignals, hazards, reverse, and parking lights, fuses are good, bulbs are good, thinking its the brake switch
If you have no third brake light it most likely the brake light switch.
Repair Help & Product Troubleshooting for 2003 Chevrolet Trailblazer Ext
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