The great thing about the ZCI wiring kit part # 119250KIT that you mentioned is that they can basically fit any vehicle so either would work great on your 2022 Lexus RX 450h L. I prefer the ZCI kit because it installs without requiring any splices. view full answer...
I can definitely help you out with wiring for your 2022 Lexus RX 450h L but unfortunately it doesn't look like there have been any trailer hitch fitments for a RX 450h L, even if they are the older year models. To add a hitch to your vehicle you'll need to have a shop fabricate one for you.
For wiring I recommend checking out the ZCI Kit # 119250KIT from Tekonsha. This is a specialty wiring kit that pulls power directly from your battery via the power lead and then it uses clamps to "sense"... view full answer...
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