The following wiring diagram and circuit/schematic describes 1990 Lexus LS400 radio system. The radio/audio system consists of radio/player, subwoofer, speaker and amplifier, auto antenna motor and relay, telephone transceiver and speaker relay, tweeter, CD changer.

lexus LS400 radio wiring diagram

Find more information about 1990 Lexus LS400 Radio Circuit and Wiring Diagram here – free download PDF file. (source:

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