Trailer Wiring Kit for Range Rover Sport Remove the left tail light assembly by removing the 2 screws. The tail light will pull off.Remove the Trailer Connector Access panel. (See photo #2).The YWJ500170ABP Wiring Harness comes in 2 parts.Take the part with the trailer connectors and feed the harness through the opening in the bumper.. Range Rover Sport Trailer Wiring Kit Instructions From Is this answer helpful?Thanks!Give more feedbackThanks!How can it be improved?How can the answer be improved?Tell us how Range Rover Sport Trailer Wiring Kit Instructions From We've specially-developed this trailer wiring package for Range Rover Sport vehicles. This kit seamlessly converts your Rover wiring plug to either a standard 'Flat 4' North American spec plug or 7-way plug (both connectors included!). Our quality harness kits are dependable and cost a fraction of the genuine versions. 2017 Land Rover Trailer Wiring | etrailer Recommended Brake Controller For A 2017 Range Rover Sport; On your 2017 Range Rover Sport, the best option for a brake controller is the Tekonsha Prodigy RF Wireless Trailer Brake Controller - 1 to 3 Axles - Proportional # 90250. This will use a factory 7-way or aftermarket 7-way for proper function.