Is Wiring Harness for Trailer Connector Needed on 2012 Lexus RX350 With Factory Tow Package

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Question:

I just purchased from eTrailer a hitch for my 2012 Lexus RX350. The hitch is installed. The Lexus came with a tow package, but I am unclear if I need to purchase a wiring harnesss. I dont think so. Do I simply plug the wiring connection from any trailer I decide to pull into the exsiting plug on the Lexus RX350, or do I need to purchase a harness to provide connectivty from a trailer to the vehicle. Thank You,

asked by: Chuck S

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Expert Reply:

If your 2012 Lexus RX350 came with a tow package you will probably still need the Tow Ready T-One Wiring Harness, part # 118252. This wiring harness will plug into a square 4-pin female plug located behind the rear bumper on your vehicle. It will give you a 4-Flat connector that will plug into a 4-Flat connector on a trailer.

I am including a link to the installation instructions on the Tow Ready wiring harness. It will picture where the connector is on your vehicle and what it looks like.

I am also including a picture of what the 4-Flat connector will look like that is used to connect the tow vehicle to the trailer.

expert reply by: Jeff D

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Is Wiring Harness for Trailer Connector Needed on 2012 Lexus RX350 With Factory Tow Package

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