can any1 tell me where i can find a wiring diagram for a stock sterio for a ls400 1990 model?... i disconnected my stock head unit to install a new one and the alarm kept going off wen i locked the car... i no they hav a anti-theft system but how do i stop it from going off after ive installed the new head unit???.........

 

Not sure if your 90 is the same way, but I think it is. This was invaluable to me when I did my first sub install. But since then I scratched the stock deck and went after market.

http://www.cureline.net/lex/audio/ho...g_daigrams.htm

That is another member's site, retrodrive.. http://www.cureline.net/lex/ ... he's got a lot of stuff..

Another great resource is LexLs's website. Http://www.lexls.com .. Read that site thoroughly, there is tons of great info and DIY resources.

And like everyone else says.. the search feature on this forum is golden. Learn how to use it and you will find a plethora of information instantly.