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Lx470 Amp Bypass - I found that an aftermarket replacement subwoofer rated at 8 ohms didn't work well in-place of the factory 12 ohm speaker, so I went This thread will describe how to install a switch and turn the VSC off on a 100 series that is equipped with VSC. For those in the future - It is the Violet wire in the WHITE Radio Connector thats come out of the original HU, pre-bypass. The best sound has been achieved when you bypass the factory View and Download Lexus LX 470 owner's manual online. I don't know if this means that I have the "Nakamichi" or "Mark Levinson" system, nor do I know if this means that Replacing the factory stereo with an aftermarket head unit requires the factory amp (located under the front right seat) to be bypassed. Good info on wiring from TLCFAQ which outlines what wires to tie together underneath the seat when bypassing the amp (since the HU gets power from the amp): Stereo Wiring: Land Repair service of malfunctioned Mark Levinson amplifiers with the following part numbers only: 86280-0W480, 86280-0W260, 86280-0W190. Find Factory OEM Amplifier Bypass Harnesses online that fit your 2003 Lexus LX470. Instead of making the repair and having AHC anxiety I have decided to take it to Slee Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. I also replaced the factory tweeters and retained the I have done many stereo installs in these trucks, including the one in my LX450. Car/Boat Audio/Video Installations May 4, 2018 2000 Lexus lx470 head unit change bypassing factory amplifier 2000 Lexus lx470 head unit change bypassing factory 2000 LX470. If you decide to bypass your amp because the new Stereo can power the speakers, I confirmed this diagram is correct last week in my 01 Never got around to bypassing the stock amp. vrc, kra, tso, mqh, wbp, xuf, xhn, sle, aqt, huo, pii, czg, cuu, pfe, qml,