【7 Blade & 4 Pin Tester】 MECMO 2-in-1 Towing Vehicle Trailer Light Socket Tester includes both 4 way circuit tester and 7 way trailer plug tester. This particular plug-in harness provides a 4-way flat connector socket and is designed to be a custom wiring harness to fit certain years of the Chevy S10, C10, C20, C30, C1500, K10, K20 and K30 pickup or Suburban and GMC S15, Syclone, C1500, C2500, C3500, K1500, K2500 and K3500 pickup or Suburban and Isuzu Hombre (to verify your vehicle compatibility, see application info). A custom wiring harness -- also called a T-connector -- is a simple, plug-and-play electrical device that plugs into your automotive electric system and provides a standard, universal trailer wiring connection. 4 Way Flat to 7 Way Blade and 4 Flat Trailer Adapter with Custom 4-Pin Trailer Wiring Harness for Dodge Grand Caravan & Chrysler Town and Country Trailer Light Kit MECMO 4-Way Flat Trailer Wiring Harness 56331 For 2011-2020 Dodge Grand Caravan, 2011-2016 Chrysler Town And Country, 2021-2022 Chrysler Grand Caravan, Plug N Play 4 Prong Tow Hitch Wire T-Connector Trailer Plug 【Custom Rear Hitch Wire】 This 4-pin vehicle-to-trailer wiring harness compatible with 2011-2020 Dodge Grand Caravan, 2011-2016 Chrysler Town and Country, 2021-2022 Chrysler Grand Caravan. Aazon.co: ECO 180° Twistable 7 Way Blade & 4 Pin Trailer Light... 【Red LED Identification Indicators】 MECMO 4 way and 7 way trailer plug tester with indicator diagnostic LED (Red lights) easy-to read signal makes it easy to know if you have a safe vehicle-side trailer wiring connection. Universal fits for most truck, helps quickly identify lighting problems of your vehicle end 4-flat and 7-way trailer circuit connectors. This special dual-output electrical adapter allows a connection to be made between a mismatched trailer plug and vehicle socket..【Universal Trailer Adapter】MECMO Multi-Tow 4&7 trailer connector adapter provides two standard trailer connections, a 7-pin RV blade and a 4-way flat socket, adapting for versatile towing options
