Anonymous Posted on Jan 20, 2010

2006 TrailBlazer EXT low beams not working. Not Fuses Not Lamps.

Checked fuses both are fine. Pulled both lamps and checked them with power clips and they worked. The indicator lights work on the
rotary switch for the different lighting functions. Don't want to pull the dash unless I absolutly have to. Any simple troubleshooting ideas?

Anonymous Jan 20, 2010

Headlight Driver Module #46 is in the under the hood fuse box. This can be switched with #45 as a TEST ONLY. IIRC #45 is the clutch fan which uses the same relay as the driver module. Do not start the motor just turn the head lamps on and check. The replacement is around $12.00.

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Anonymous

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Posted on Jan 20, 2010

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Head light switch is faulty

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