Trailer illumination system test device and method of use

摘要

A trailer illumination system test device and method of use are disclosed. In one form, a device for testing the functionality of a trailer lighting system is disclosed. The device includes an in-series connection port operable to receive a trailer lighting system plug and a series of trailer light switches operable to simulate an operating condition of a trailer in tow. The device further includes an external power source connection operable to couple an external power source to provide power to simulate the operating condition.