CURT 56357 Vehicle Side Custom RV Blade 7 Pin Trailer Wiring Harness for Select Nissan Pathfinder, Infiniti QX60 Towing Auto locking system secures primary latch GH 1724 Auto locking system secures primary latch without manual coupling required Cupped hook tightly holds lunette ring fore and aft to reduce chucking and noise Built in back plate helps position coupler or lunette ring for easier hookup Fits SecureLatch pintle mounts with slotted plate (sold separately) Quick Having a weight rating comparable to a class 5 trailer hitch Stress is the last thing you should feel when towing a trailer whether you're hauling your RV to that favorite camping destination This particular connector provides a 7 way RV blade socket and is designed to be a custom wiring option for certain years of the Nissan Pathfinder or Infiniti QX60 (to verify your vehicle compatibility