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Dual-Lighting Signal Management: Simultaneously operates both passenger-side back-up/reverse lamps and stop, turn, and tail light configurations.
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Integrated S/T/T Breakout: Pre-configured breakouts minimize the need for splicing, lowering installation times and creating a failure-proof layout.
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Heavy-Duty 14 AWG Construction: Upgraded 14-gauge wiring offers superior physical strength and handles high electrical loads more effectively than thinner alternatives.
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Low-Profile Right-Angle Plugs: Equipped with molded right-angle PL-3 and PL-2 plugs, perfect for tight clearance spaces inside vehicle body panels or rear channels.
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Extended Reach Coverage: The 139.5-inch standard stocked length accommodates larger commercial frames and can be ordered in 12-inch custom increments.
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Regulatory Compliance: Built to meet or exceed strict SAE, DOT, and NFPA safety standards for heavy vehicles.
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5-Year Manufacturer Warranty: Backed by Truck-Lite’s trusted 5-Year Limited Warranty for fleet-wide peace of mind.
Truck-Lite 50251 – 50 Series 139.5” Right Hand (RH) Side 3-Plug Back-Up & Stop/Turn/Tail Wiring Harness with S/T/T Breakout | Right Angle PL-3 & PL-2 to Ring Terminal, 14 Gauge
The Truck-Lite 50251 (50 Series) Right Hand (RH) Side Wiring Harness is a commercial-grade, long-reach electrical assembly engineered specifically for heavy-duty trucks, trailers, tankers, and transit buses. Spanning an extended 139.5 inches (approximately 12 feet), this passenger-side harness delivers clean, continuous power to your Back-Up/Reverse lights as well as your Stop/Turn/Tail (S/T/T) configuration. Manufactured with heavy-duty 14-gauge conductors, this harness safely handles increased current and eliminates voltage drop across extended lengths.
Maximum Protection Against Environmental Wear
Fleet environments expose wiring to severe stress, which is why the Truck-Lite 50251 features a factory-sealed, molded PVC-jacketed round design. This construction ensures that sensitive internal copper lines remain completely shielded from moisture, chemical washes, road grime, and harsh de-icing salts. It features low-profile Right Angle PL-3 and Right Angle PL-2 female connectors on one side to ensure a tight, weatherproof fit behind the lamp body, and a rugged Ring Terminal on the other for an unbreakable chassis ground connection.