PWM Modules: XTR (H4/9003) GMC The "Extended" version is 10mm
PWM Modules: XTR (H4/9003) GMC The "Extended" version is 10mmXenonDepot 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
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Ships within 48 hours · Estimated delivery Jul 30 - Aug 4