Recommended 4-Way Wiring for 2007 Lexus ES 350

Updated 12/26/2025 | Published 12/22/2025

Products Featured in This Question

T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector

(15)

$58.00

Curt Trailer Hitch Receiver - Custom Fit - Class II - 1-1/4"

(149)

$208.47

etrailer Adjustable 2-Ball Mount - 2" Hitch - 6" Rise, 6" Drop - 10K

(157)

$106.29

Question:

I am curious for my new Lexus 2007 ES350 which 4pin trailer electrical kit or package to buy that you recommend for easiest installation and compatability adding a CURT 12343 class 2 hitch to pull small motorcycle trailer. I just need 4 pin electrical wiring and plugs at this point to go from the car to the trailer for the blinkers and brakes ! Thanks :

asked by: Cole W

Expert Reply:

Hey Cole! The T-One Vehicle Wiring Harness with 4-Pole Flat Trailer Connector # 118488 is going to be your best option. This will be the easiest to install, and also the most reliable wiring available for your vehicle. The connectors plug inline with your tail lights and then you will run a hot lead up to the battery.

In addition to the wiring and the Curt # C12343, you will also need a ball mount like # e66PR. What kind of trailer are you towing?

expert reply by: Robin H