Designed for 2003-2007 Chevrolet Silverado and GMC Sierra 1500/2500/3500 Classic trucks, this Performance Engineering-compatible module enables full headlight synchronization by simply replacing three factory relays (fog low, high low, and high low) with the included FR-4 PCB module.
It unlocks enhanced lighting mode, allowing high beams, low beams, fog lights, and daytime running lights to operate simultaneously for maximum visibility—all while staying within safe glare limits.
The installation requires no wiring modifications or tools and takes just five minutes.
Built with industrial-grade, heat, moisture, and shock-resistant FR-4 PCB material, the module ensures reliable performance and circuit protection.
The package includes one compact, high-performance PCB unit to activate all front lights.