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Seamless H4 to H5 Adaptation: Seamlessly adapts H4 female headlight plugs to H5 male bases (or vice versa), making it ideal for quick bulb changes or housing upgrades.
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Heavy-Duty Construction: Built with 16 AWG GPT multi-colored wiring capable of carrying consistent, high-amperage current without overheating or dropping voltage.
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Corrosion-Proof Components: Designed with high-conductivity, tin-plated brass terminal pins that naturally inhibit oxidation and resist thermal degradation under the hood.
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Space-Saving 4-Inch Inline Fit: Compact configuration avoids excessive wire slack behind tight headlight buckets or forward grille assemblies, reducing the risk of chafing.
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Halogen & LED Compatible: Universally supports both traditional high-draw halogen bulbs and modern high-efficiency LED forward lighting retrofits.
Truck-Lite 95400 Heavy-Duty Headlight Wiring Plug – 4" 16-Gauge GPT Wire, H4 to H5 Halogen/LED Adapter Connector
Upgrade, convert, or repair your commercial vehicle's forward lighting system with the Truck-Lite 95400 Headlight Wiring Plug. This compact, heavy-duty 4-inch adapter harness is engineered to bridge the gap between H4 and H5 bulb connection configurations. Constructed with high-grade 16 AWG GPT wire, it ensures maximum voltage delivery to your halogen or LED headlamps, preventing dimming and safeguarding your vehicle's main wiring harness from thermal damage.
Maintaining high electrical conductivity in a truck's forward lighting system is crucial for night visibility and overall road safety. The Truck-Lite 95400 Headlight Pigtail Adapter provides an elite OEM solution for fleet maintenance and custom bulb conversions. Designed to effortlessly interface an H4 style connection layout with an H5 connector base, this harness eliminates the need for messy cutting or custom wire pinning, preserving the integrity of your main electrical grid.
This heavy-duty 3-wire plug is manufactured using robust 16-gauge GPT (General Purpose Thermoplastic) wire, built to handle the continuous high-temperature demands of forward-facing vehicle illumination. The inner terminal contacts are crafted from tin-plated brass, providing exceptional defense against moisture intrusion, road salts, under-hood heat cycles, and chemical corrosion. At 4 inches in length, it serves as the perfect space-saving adapter inline connector, providing a secure, vibration-resistant, click-lock fit that keeps your headlights firing reliably under any road condition.