Fleece Performance All Lights On Module for Chevy/GMC (2003-07) Duramax 6.6L

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.