Finding the 10-pin connector to install the Tekonsha trailer wiring harness part # 118525 that you mentioned on a 2018 Lexus RX 450h L is sometimes a bit challenging but we've had some customers come back and give us tips on where to find it.
One customer said:
"It is tucked up under the rear deck plate under the passenger taillight side. I used a mirror and flashlight to find it but realized that one I knew where it was I could feel it and pull it down just enough to plug the converter... view full answer...
Yes we do have the instructions for the T-One Vehicle Wiring Harness # 118255 for your 2018 Lexus RX 450h L. I am linking the written instructions for you to check out as well as pictures of the instructions that you can reference.
Since you're needing wiring for trailer lighting I'm guessing you plan on towing with your Lexus. In this case you'll also need a ball mount and hitch ball. I have attached our selections for you to filter through as well as a helpful article to help you determine... view full answer...
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