Ok so turns out that my Nakamichi amp is half dead. I get sound to passenger side but not driver side. But I know the speaker is good.
On eBay the LS400 Nakamichi amp is cheaper then the SC400 amp. Do you guys know if they are the same? or if I can still use it?

 

different part/model numbers I'm sure there is a way to make it work but it looks to be too labor intensive imo, best bet would be to ask/search in the audio section https://www.clublexus.com/forums/lex...lectronics-12/