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Ultra-Extended Reach: At 456 inches long, this harness easily covers maximum spans along long trailer frames or rooflines without requiring extra connections.
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Streamlined 1-Plug Setup: Focuses clean power delivery directly to a single marker or clearance lamp configuration.
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Premium 14 AWG Conductors: Thicker 14-gauge wiring provides superior physical strength and safely manages electrical current over a 38-foot run.
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Molded PL-10 Interface: Engineered with a factory-sealed PL-10 style plug to prevent moisture intrusion and pin corrosion.
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Adaptable Blunt Cut End: Unfinished wire ends allow for seamless hardwiring, custom terminal attachment, or direct splice integration into existing systems.
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5-Year Manufacturer Warranty: Backed by Truck-Lite’s trusted 5-Year Limited Warranty, securing long-term fleet performance.
Truck-Lite 50305 – 50 Series 456” 1-Plug Marker Clearance Wiring Harness | PL-10 to Blunt Cut, 14 Gauge
The Truck-Lite 50305 (50 Series) Marker Clearance Wiring Harness is an ultra-long, commercial-grade electrical assembly designed to power individual clearance or marker lamps on extended-length vehicles such as long-haul trailers, multi-axle tankers, and oversized transit buses. Spanning an impressive 456 inches (38 feet) in length, this streamlined 1-plug harness provides continuous, clean power from a central power source all the way to its designated light station. Built with heavy-duty 14-gauge copper conductors, it is optimized to maintain electrical current integrity and prevent voltage drop across exceptional distances.
Rugged Construction for Extended-Frame Reliability
Longer wiring runs are highly susceptible to voltage drops, external friction, and environmental wear. The Truck-Lite 50305 handles these demands by enclosing the wiring circuit inside a thick, factory-molded round PVC outer jacket that seals out moisture, dirt, and corrosive road salts. It features a premium, molded PL-10 plug interface on one end, delivering a weatherproof seal directly to your standard marker lamp. The opposite end is Blunt Cut, giving fleet technicians maximum installation flexibility to cleanly route, custom-splice, or hardwire the harness directly into a primary junction box or central wiring subsystem without requiring unsafe intermediate splices.