Choosing The Correct Tekonsha T-One 4-Way Flat Harness For a 2017 Lexus RX 350

Question:

Installed harness but no power showing.. saw where I may need a modular box that plugs into back passenger side box?

asked by: Robin R

Helpful Expert Reply:

If your 2017 Lexus RX 350 did not come from the factory with the trailer connector and receiver you will need the T-One Vehicle Wiring Harness # 118255 that includes both the harness for the 4-way and the powered convertor harness.

The T-One Vehicle Wiring Harness for Factory Tow Package # 118252 is only designed to replace a damaged factory connector. It is missing the powered convertor. The convertor is not sold separately so you will need the Harness # 118255 if you do not have the convertor.

expert reply by: Bud M