Oyviny Wishbond Trailer Light Kit 4 Way Flat 5 Wire Plug 22FT for Rewiring Both-Side Taillights + 4-Way Wiring Tester

4 pin 5 wire trailer connector replacement is designed to match industry-standard 4-way flat sockets, provides a male plug for your trailer and can be used to replace a worn out, broken wire on a wide variety of trailers.

• Y-Harness Connector. 4 pin trailer wiring harness adapter features wishbone design, widely fits for rewiring trailer that allows 2 brown wires running left and right taillights simultaneously . No need for splicing other wires.
• Color coded wires. 4 way 5 wire trailer side flat connector equips with color code wiring for a simple installation, you can easily splice into existing trailer wiring to connect the brake lights, turn signals and left&right side taillights
• Enough length. 22 feet male 4 flat wire and 2.5 feet Ground wiring is long enough to wire a trailer from the start, provides plenty of extra length for a flexible installation.
• 4 Way Trailer Tester. Using this 4 pin trailer plug tester to confirm proper function of your vehicle’s trailer wiring harness, excellent for diagnosing trailer light issues, lets you know where in the system there is a problem instead of guessing. It also acts as a standard 4-Pin male&female trailer connector to connect standard 4-pin trailer wire.
• Bright LED Indicators. This 4-way trailer circuit tester features a LED light for each electrical functions, turn on the lights and check, you can easily read the LEDs and find out which wiring has a problem