6 High Mod ＆ 8 High Mod Module for All GM Lights High Beams Low Beams and DRL Fog Lights Compatible with Classic Full Size 2003-2007 Chevy Silverado and 2003-2007 GMC Sierra 1500/2500/3500 Classic

Compatibility: The 6 High Mod ＆ 8 High Mod Module Compatible with Classic Full Size Classic Full Size 2003 - 2007 Chevy Silverado 1500/2500/3500, 2003 - 2007 GMC Sierra 1500/2500/3500 Classic, 2003 - 2006 Avalanche 1500/2500, 2004 - 2006 Escalade and 2003 - 2006 Escalade EXT

All Headlights Working: This Light Module allows your high beams, low beams and fog lights to turn on at the same time. When your high beams are activated to illuminate the road for night driving, ensuring your safe night driving. NOTICE: When high beams are not on, low beams and fog lights work normally

High Quality & Durability: 6 High Mod ＆ 8 High Mod is a high-performance engineered motherboard made of FR-4 PCB material for durability and rugged construction for safer use

Easy Installation: Plug and play: Remove the relays labeled FOG LP, HDLP-LOW, DRL, HDLP-HI; Place all the lights of General Motors on the circuit board as shown in the figure; Reinstall the four relays to their original positions

Customer Support: For whatever reason, if you are not satisfied with our 6 High Mod ＆ 8 High Mod, or if you have any questions about the product.Please let us know via Amazon and we will sincerely provide you witha solution within 12 hours