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Hi,i am seeking a wiring diagram for a 1998 Toyota regius that also includes the sterio/cd/tv/nav wiring color codes. its a KCH46 3ltr turbo deisel. Thank you for any assistance, colin.

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I have been unable to find a wiring diagram for this vehicle since it is an import, but I can still help.

Use a multimeter to test each wire by connecting one end of the multimeter to a wire, and the other end of the multimeter to a ground. Find your constant 12 volt wire (12 volts present with the key off), find your 12 volt ignition wire (12 volts present only when key on), find your ground wire (usually black or green).

To find your speaker wires, take the remaining wires and a 1.5 volt AA battery, while connecting 2 wires at a time to the + and - side of the battery and listen for a crackling sound from each speaker.

Posted on Jul 12, 2010


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