Amazon.com: DOAUTO 29Ft 4 Way 4-Pin Flat Trailer Wiring Harness Extension Kit with Dual White Ground Wire, 25' Male & 4' Female Wishbone 18 Gauge Connector with Full Terminal SAE J1128 with
Curt 56217 Custom 4-Pin Trailer Wiring Harness for Select Toyota Highlander | U-Haul
Amazon.com: SUZCO 50' 4 Way Flat Trailer Light Wiring Harness Extension Kit, 42' Male & 8' Female with 4' White Ground Wire,18 AWG Color Coded Wires SAE J1128 & Wishbone-Style for Utility