I am upgrading to a aftermarket headunit,sub,amps,and door speakers. I am having problems finding a wiring harness for my 02 gs 300 (non-navi.) I was told that I have to hardwire it in. Can someone tell me where the factory amp is located.

give thanks for everyones input

 

i think it's behind the glovebox.

 

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Here are some of the threads that came up under stereo, just go through them and you will fing what you are looking for.
https://www.clublexus.com/forums/sea...archid=2102430