Wiring diagram for Factory Mark Levinson amp?

2007 LEXUS GS 350
161,500 MILES • 3.5L • V6 • 4WD • AUTOMATIC
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BUDDER412
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I’m trying to install aftermarket subs , and I need the diagram to tap into my factory mark levinson amp to get my aftermarket subs to work with the radio. Since the factory radio doesn’t have rca cables , I have to do this instead. I have a 2007 Lexus GS 350 awd. Thank you!
Mar 14, 2026 at 8:32 PM
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STEVE W.
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Looks like that car had a dual voice coil woofer in it. That would be where I added a sub in. Get a line level adapter and run it into the subs amp then out to the two subs. The 4 wire connector on the sub has both sides in it. Pin 2 (Violet) and Pin 1 (Green) is one side Pin 3 (Violet) and Pin 4 (Pink) are the other. However you will need to take a track with bass on only one side and see which side is actually that side since they don't say which is which set. The amp is also the only item that has outputs. The receiver sends out digital signals to the amp and the amp does the rest.
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Mar 15, 2026 at 5:22 PM