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AVIC-D2 install question

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Old Sep 22, 2006 | 11:47 PM
  #1  
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Default AVIC-D2 install question

I have a 99 GS 300 and I took it the local stereo shop to get it installed. But they can't find the proper wiring harness that goes with the car. So, they started to look for the amp so they can hard wire but can not find it.

Can anybody tell me the proper wiring harness for the GS 300 or where to find it. And also can somebody with helping me locate where the factory amp is.

Thank you
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Old Sep 23, 2006 | 01:35 AM
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Originally Posted by Joncash730
I have a 99 GS 300 and I took it the local stereo shop to get it installed. But they can't find the proper wiring harness that goes with the car. So, they started to look for the amp so they can hard wire but can not find it.

Can anybody tell me the proper wiring harness for the GS 300 or where to find it. And also can somebody with helping me locate where the factory amp is.

Thank you
There is no harness, the shop should know to hard wire it. The amp is under the seat. PM me with your Email address and I will send you the wiring diagram PDF file.

Welcome to CL btw
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Old Sep 23, 2006 | 01:44 AM
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what? i thought the gs uses regular toyota harness's and the amp is behind the glove box?
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Old Sep 23, 2006 | 01:45 AM
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whats the difference from avic-d1 and avic-d2 btw?
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Old Sep 23, 2006 | 01:54 AM
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Originally Posted by chinkster
what? i thought the gs uses regular toyota harness's and the amp is behind the glove box?
That is correct, it uses a 1985-2006 toyota corrolla/camry..etc universal wire harness. just remember to tap the acc batt wire to the back of the clock.
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Old Sep 23, 2006 | 03:57 AM
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It does use the toyota harness I had to rewire mine anyways because the colors were incorrect and some of the wires were being run to empty slots, but the plugs were right. I believe 98-00 use the two plug toyota harness and have the same color code on the wiring. I just installed the exact same unit (avic-d2) in my GS last week and did the install myself. Look in the audio fourm for more info (tons of info there), there are pdf. files of the color coded wires and what each one of them are.
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Old Oct 21, 2006 | 07:56 PM
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i am actually gonna be installing the avic-d1 in my car in about a week or two when the double din kit gets here. the harness i am using is the TOYOTA AMP INTEGRATED HARNESS. its just basically a harness that plugs right up with 4 RCA's that plug into the AVIC-D1/D2's front and rear audio preouts. you have to hook up the AMP Turn-On wire tho. all of your speakers/subs should still work after with your factory amp powering them.
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Old Oct 21, 2006 | 08:21 PM
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I am so confused.
a lot of people have said there is no harness to hook up a second gen gs to an aftermarket deck.
Will this harness work for hooking up an avn double din unit?
does the harness allow the use of factory amp andsub with the aftermarket deck.
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Old Oct 21, 2006 | 10:45 PM
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chinkster, I would also like to do this. Do you think you can take a few pics of the install process? Also, where did you buy the harness?
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Old Oct 22, 2006 | 03:39 AM
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Originally Posted by olddog
I am so confused.
a lot of people have said there is no harness to hook up a second gen gs to an aftermarket deck.
ditto on this, i also asked autotoys and they said it didn't exist. can you guys post where you're getting these harnesses from? thanks.
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Old Oct 22, 2006 | 08:02 AM
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If the shop you guys are going to they should be smart enough to make one it's not that hard and they do this for a living seems weird to me but good luck
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Old Oct 22, 2006 | 01:47 PM
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i'm not taking my car to any shop, which is precisely why i'm asking if there is a pre-made harness.
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Old Oct 22, 2006 | 02:02 PM
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Default hey

if you get the aftermarket harness. does it mean you can leave all the other harnesses plugged into the stock amp?(basically, what i mean is you can run the stock amp with the aftermarket deck) is that possible?
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Old Nov 3, 2006 | 11:25 PM
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Yes please help.

I have a 2003 Lexus GS 300 Sportpack.

I plan to install aftermarket deck with OEM AMP.

I want to use a PLUG/PLAY harness.

Please help.
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Old Nov 3, 2006 | 11:26 PM
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