When installing some light bars, couldn't find any information how to use AUX switches on the GX550 in terms of wiring. Checked all the forums, vehicle manual, and YouTube. We worked with a lot of vehicles and Lexus seemed the most difficult in implement into. Decided to make a video to help people with their upgrades. Do better Lexus
Let me know what you think and if it worked for you
Mike
Let me know what you think and if it worked for you
Mike