Having problems with your 2004 Chevrolet TrailBlazer ?
What is the headlamp driving module
\015 Lowbeam head lights not working I have check all fuses. replaced both bulbs. don't know what else to work with\015
Most of the time on the Trailblazer it is the dimmer switch that goes not the Module. Try replacing the dimmer switch and i think it will take care of ya troubles.
Repair Help & Product Troubleshooting for 2004 Chevrolet TrailBlazer
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