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Upgrade your vehicle’s lighting system with the GTR Lighting Ultra 3.0 H4/9003 LED Bulb + PWM Interface Module Bundle—designed to deliver superior brightness, precision beam performance, and guaranteed flicker-free operation on PWM-equipped vehicles. The Ultra 3.0 dual-beam LED bulbs output a crisp 5750K white color and 2,900 raw lumens per bulb, using GTR’s custom TST 7045 LED chipset for optimized low-beam cutoff and powerful high-beam reach. This ensures improved nighttime visibility with minimal glare for oncoming traffic.
To prevent flickering and bulb-out warnings common on modern vehicles with Pulse Width Modulation systems, this bundle includes a pair of GTR PWM Interface Modules. These modules stabilize power delivery to the LEDs, eliminate error messages, and ensure consistent performance on vehicles such as newer Ram trucks, Jeep Wrangler, Ford Focus, Silverado, and more. Rugged construction, waterproof internals, and lifetime bulb warranty make this bundle a reliable, long-lasting headlight upgrade.
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