PWM Modules: XTR (H4/9003) GMC utilizing factory connectors and including

utilizing factory connectors and including all necessary components for a hassle-free setup

The "Extended" version is 10mm taller in overall height and has the dimples arrayed around it's face in a full circle

Installation is a breeze thanks to the plug-and-play design that seamlessly connects to the factory connectors for stock fog lights

The Morimoto XB LED Headlights for Dodge Ram trucks

Durable Construction: Robust polycarbonate lens and cast aluminum housing

PWM Modules: XTR (H4/9003) GMC utilizing factory connectors and includingXenonDepot PWM HID Fix: The magic little box that you've been looking for if you're installing an HID kit or LED kit in a vehicle equipped with PWM (pulse width modulation) headlight technology. What is PWM? Newer vehicles use PWM technology to increase bulb life and reduce fuel consumption by sending a pulse of alternating voltages to the headlight bulb, as opposed to a stable 12V. Factory installed incandescent or halogen bulbs can handle this pulse