Oyviny Custom 4 Pin Trailer Wiring Harness for 2008-2019 Toyota Highlander + Double End Design 4 Pin Trailer Light Tester

Custom design for Toyota Highlander 2008-2019. This highlander 4 way trailer wiring harness plugs into your vehicle's factory tow package wiring harness, quickly and easily install a 4-way trailer connector on your vehicle. It’s a great way to check whether your trailer wiring was correctly installed with this 4 pin trailer plug circuit tester, simply plug and play design let you know where to check, quickly identify lighting problems. 4 flat tester fits with US standard 4 pin flat trailer connector.

• Highlander Trailer Wiring Harness. This highlander hitch wiring fits for Toyota Highlander 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 (factory tow package required). Please make sure your vehicle has the converte
• Standard 4 Way Connector. Quickly and easily install a 4-way trailer connector on your highlander with this custom harness, 4 pin flat trailer wiring can be used to connect trailer taillights, turn signals and brake signal lights
• Easy Installation. Simple Plug and Play design makes easy installation, No Cutting or Splicing Required! Directly plug the custom connector into the existing OEM vehicle plug on your Highlander vehicle
• 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
• 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