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1999 Lexus gs300 Z2 install, fac. amp bypass

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Whats up guys, so I got a Z2 for my Gs300, and I currently have a after market amp installed in the trunk for my subs. I still use the factory amp, and cd changer, but obviously am going to lose that once installed. My questions pretty straight forward, ive seen a few methods of installing the head unit and by passing the factory amp Via making a harness with two of the Metra 70-1761 kits, one at the stock amps end, and the other to plug "directly" into the avics harness... sounds simple right? pretty straight forward? well, yea, not when you got this all, and know almost nothing about radio installs, besides the basics of installing an amp and subs. I did not install the current set up I have, I got it professionally done, which like I mentioned, still utiliZes my stock speakers, amp, and CD changer in the glove box, but no longer uses my stock sub which I removed. Heres some pics of what im working with, if anyone could give me any intel id greatly appretiate it, I am left with a mess (to me it looks like) of wires and dont know what should be used, and what possibly shouldnt. Ive included pics of what im "supposed" to make as well if it will help you understand. IF YOU OWN A LEXUS GS300 AND CAN HELP ME! I have a spare 2000 platinum edition ive been parting out, I WILL GIVE YOU INTERIOR OR IF I HAVE WHAT YOU MAY NEED! FOR FREE IN RETURN IN APPRETIATION!

 

So here it goes:

 

Pic #1: WHAT CAME WITH THE AVIC Z2 INCLUDING GPS AND MIC

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AND THE HARNESS'S

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MY AMP AND SUBS, I believe he used a line out converter from the original sub for the new amp in the trunk.

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well i figured out what i am going to use and not, but figured no one would answer... ive read every post from club lexus, to lexusowners.... not one person can write a DIY thread thats comprehendable... what an absolute joke... they take the time to write a thread but cutt corners like a bunch of illiterate high school drop outs.... I offer free parts and still no one could take the time to makke use of what a forum like this ones about... thanks..

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You know honestly.... I've gone through so many threads... From Clublexus.com, lexusownersclub.com, AVIC411!!!! AND NOT ONE SINGLE THREAD MADE FOR THIS IS COMPREHENDIBLE! So I'm going to handle this ISH and show you people how the hell to make a dam DIY... People showing pictures saying connect the green wire with the yellow, and there pictures don't even have a green wtf is wrong with you... Either that or you can't bring up any of the photo's anymore leaving it USELESS! Stay posted I'll handle it with clear photo's with a detailed explanation... Grandma should be able to do it...

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Listen man, I appreciate your frustration with your inability to find the information you're looking for, but if you (by your own admission) know nothing about car audio systems or installation, why do you expect anything you find will be comprehensible? That aside, the Z2 is now 7 years old, anyone who might offer you install advice on it moved to other systems a long, long time ago.

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