My low beams don't come on change dimmer switch.

Tiny
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  • MEMBER
  • 2006 CHEVROLET TRAILBLAZER
  • 192,847 MILES
My low beams don't come on change dimmer switch &head light switch. Low beams still not working?
Friday, February 8th, 2013 AT 9:59 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you check for voltage, anywhere? Use a voltage tester. Any applicable trouble codes? Check the fuse circuits in the diagram for voltage. The headlamp driver module relay is for low beams. The bcm sends voltage to coil side of that relay in order to energize.
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Friday, February 8th, 2013 AT 10:22 PM

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