Truck-Lite 50203 – 50 Series 156 in. LH Side Stop/Turn/Tail Harness (14 Gauge, Right Angle PL-3, Ring Terminal)

Keep your commercial truck’s rear lighting operating safely and efficiently with the heavy-duty Truck-Lite 50203 50 Series Wiring Harness. This premium 156-inch, left-hand (LH) side cable assembly is engineered for robust Stop/Turn/Tail (S/T/T) lighting circuits. Constructed with heavy-duty 14-gauge copper conductors and sealed with a multi-color 5-conductor round PVC jacket, it delivers unmatched weather protection and flawless electrical performance across extended chassis lengths. Features a convenient built-in S/T/T breakout plug, a Right Angle PL-3 connection on one end, and a secure ring terminal on the other.

The Truck-Lite 50203 is wrapped in a premium, weather-resistant PVC jacket enclosing 5 color-coded conductors (Black, Brown, Red, Yellow, and White) for straightforward installation and troubleshooting. On one end, a right-angle PL-3 plug delivers a tight, low-profile connection that protects against moisture intrusion and vibration. The opposite end is fitted with a durable ring terminal for permanent, secure grounding. Additionally, the integrated S/T/T breakout plug simplifies adding auxiliary or secondary lighting configurations without cutting into the main line.

Whether you are performing routine maintenance on a single rig or overhauling an entire commercial fleet, choose the reliability of Truck-Lite to keep your lights bright and your vehicle fully DOT/FMVSS 108 compliant.