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Flat Cable Profile: Low-profile flat cable design allows for clean, space-saving wire routing along tight trailer frame channels.
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Standard 15-Foot Length: At 180 inches, this represents Truck-Lite's standard stocked length harness, eliminating unsealed field splices.
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Heavy-Duty 14 AWG Construction: Thick 14-gauge copper wiring provides excellent tensile strength and eliminates voltage drops across the rear lights.
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Factory-Sealed Straight PL-3 Interface: Features a straight PL-3 pigtail connection point to isolate copper contacts from moisture, road dirt, and winter de-icing chemicals.
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Adaptable Blunt Cut End: Unfinished wire ends give technicians absolute freedom to apply custom terminal pins or integrate seamlessly into any existing fleet wiring subsystem.
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5-Year Manufacturer Warranty: Backed by Truck-Lite’s trusted 5-Year Limited Warranty, securing long-term service life.
Truck-Lite 50325 – 50 Series 180” 1-Plug Flat Stop/Turn/Tail Wiring Harness | Straight PL-3 to Blunt Cut, 14 Gauge
The Truck-Lite 50325 (50 Series) Stop/Turn/Tail (S/T/T) Wiring Harness is an OEM-grade, heavy-duty electrical cable assembly engineered to route tail lamp signals along the frame rails of commercial trucks, semi-trailers, and utility fleets. Spanning 180 inches (15 feet) in length, this premium single-plug harness cleanly delivers brake, turn signal, and running light power directly to your rear lighting array. Constructed with a low-profile flat cable configuration and robust 14-gauge conductors, this harness minimizes electrical resistance and holds up under demanding long-haul trucking conditions.
Engineered for Adaptability & Weather Resistance
Designed to endure severe weather, heavy vibrations, and corrosive road treatments, the Truck-Lite 50325 is built with high-quality, factory-molded components. One side of the harness features a Straight PL-3 molded plug connector that forms a tight, moisture-proof seal directly into standard 3-pin S/T/T vehicle lamps. The opposite termination side is Blunt Cut, allowing fleet mechanics total flexibility to cleanly route, custom-splice, or hardwire the 3-conductor internal lines (Black, Red, and White) directly into a centralized junction box or main distribution trunk line.