GM All Lights On Module (2003-2007 Select Models). Brighten up your driving experience with this simple upgrade inside your fuse box. Simply install the GM All Lights On Module to allow your high-beams, low-beams and fog lamps to simultaneously illuminate the road ahead.
Once installed the GM All Lights On Module will turn on the high-beams, low beams and fog lamps when you turn on your high-beams.
When the high-beams are Not turned on your low-beams and fog lights will function normally.
2003-2007 Classic 2500-3500 Silverado/Sierra
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