[ONLY COMPATIBLE WITH ADD-ON HARNESS] 💡 2019–2021 Chevy Silverado/GMC Sierra 1500 and 2015–2023 F-150 require the OPT7 Easy Connect Harness (sold separately). 🚫 Not Compatible with 2022+ Silverado/Sierra. 💡 Plug'N'Play for 2005–2014 F150/F250/F350, Silverado/Sierra 1500/2500/3500, and 2009–2014 Dodge Ram with the OPT7 Easy Connect USCAR Harness (sold separately). ⚠️ Truck with a trailer tow package or sensors (2015+ F150, RAM, 2015-2018 Silverado/Sierra) require OPT7 Hardwire Kit (sold separately). [EASY INSTALLATION] 1. Prep the Surface: Thoroughly clean and dry the mounting area. 2. Mount: Peel the adhesive backing and stick the light bar firmly in place, or use the provided metal brackets for mounting. 3. Connect: Plug the 4-pin connector into the add-on Easy Connect harness and connect the reverse wire. ⚠️ For trucks with Power Tailgate and Tacoma/Chevy Colorado/GMC Canyon/Frontier/Ranger/Maverick, please purchase the 48" tailgate light bar. [VISIBILITY AT MAXIMUM] Sleek tailgate light bar enhances style and safety with brightness visible up to 30ft. Features 5 functions—running, turn, brake, reverse, and hazard—with sequential signals for max road presence. [EXCLUSIVE REVERSE LIGHT LAUNCH SEQUENCE] When you shift into reverse, the light will first flash the extreme white light three times for safety, then the reverse white light will stay on continuously. [PREMIUM QUALITY] Made of Aluminum body that is great for heat dissipation & is durable. Fully sealed with silicone IP67 rate waterproof, transparent glue design can take -20°F weather works well on any rainy or snowy day! [WARRANTY COVERED] Backed up with 1-year warranty starting from the order date. Need specific truck installation, contact our US Customer Support Team to assist. OPT7 60" Redline Parlux Triple Row LED Tailgate Light Bar w/Sequential Amber Turn Signal, Rigid Aluminum Frame – Only Works With Add-On Easy Connect Harness – Full Functions: Reverse Brake Running