Trailer Wiring for 2023 Lexus RX 350
Published 07/12/2023 >
Question:
I have a new Lexus 2023 RX350 FSport without the trailer package. I see you list a trailer hitch for it Draw-Tite Trailer Hitch Receiver - Custom Fit - 2inch Item # DT73QR However, the wiring kit recommended Upgraded Heavy Duty ModuLite Circuit Protected Vehicle Wiring Harness with Installation Kit Item # 119190KIT0 seems generic. The instructions do not indicate where in the vehicle are located the wires to which is should be connected or their color code. I know the turn and brake signals are multiplexed but do not have any further information. Any advice?
asked by: George G
Expert Reply:
For your 2023 Lexus RX 350 we only have universal style trailer wiring options like the Tekonsha part # 119190KIT which does require testing taillight wires to determine function and wire to the converter box.
I wish I could be more specific but you would need to use the included tester to find the correct circuits.
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