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1990LS400 last won the day on April 24

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About 1990LS400

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  1. Hi,

    I have talked to you before, and you have been a great help. I hope you can offer some advice on a new project I am undertaking. I have a 1999 LS400 and am putting in a new after-market radio, buying it from Crutchfield. The radio is a Sony XAV-AX100, and the reason I chose it is it has Android Auto which allows me to use my phone  for hands free speaking and a lot of other things. Like you, I'm not going to use it for navigation, as I also have a garmin with its own back up camera. My Lexus is a Natamichi radio. My question is, is there still no wiring harness, and how can I incorporate the sub woofer and its amp which is located under the driver's seat. Would you recommend doing this myself or letting best buy install. Since this is a more complicated install, I don't want somebody else goofing it up. Also how do you release the upper vents. I did it once, but can't remember where the release is.

    Thanks for your help


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    2. bode


      I think I have it, but just in case, send me a link to the diagram. I am going to best buy today and take the radio to one of the guys and see what he says. Wish I could figure it out and do it myself. It looks like all you have to do is connect the correct wires from head unit to the wires to speakers. Then, it seem like there is an RCA input in head for sub. I assume you get an rca to wire adapter and connect those wires to wires going to the pre-amp under driver's seat to sub. Sound right or is their more to it

      thanks for help



    3. 1990LS400


      My installer didn't use the Kenwood's separate RCA output for a sub-woofer.    The Nakamichi amp took care of splitting out frequencies that it (the nakamichi amp) sent to the subwoofer.  You're making this harder than it is.  It is really, really simple.

    4. 1990LS400
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