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92 Lexus SC300 stereo wiring

Printed From: the12volt.com
Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=84691
Printed Date: May 10, 2025 at 7:33 AM


Topic: 92 Lexus SC300 stereo wiring

Posted By: asiandl
Subject: 92 Lexus SC300 stereo wiring
Date Posted: October 26, 2006 at 3:47 PM

Wiring Diagram for 92 Lexus SC300, Looking to Install an Aftermarket deck



Replies:

Posted By: master5
Date Posted: October 26, 2006 at 6:53 PM

1993 Lexus ES 300 - Fig. 11: W/ CD Changer

© 2006 Mitchell Repair Information Co., LLC.

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10/26/200https://www.ondemand5.com/mric/common/asp/securesvgembedprint.asp?MOD=REPTIF... 6



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Posted By: asiandl
Date Posted: October 26, 2006 at 8:09 PM
Link dont work?




Posted By: master5
Date Posted: October 26, 2006 at 9:28 PM

Sorry, the link must be "protected" somehow. Regardless, the schematic probably would have looked like rainbow pasta to you, unless you are a lexus engineer or used to insanely difficult to read diagrams. It was a struggle for me to make it out and I do stuff like this on a daily basis.

This vehicle is not  "basic" deck swap material.

First off, can you find a mounting kit for it, or fiberglassing a custom dash? I have not been able to locate much of any info about that year/model lexus...except alot of "n/a" and "no fit", usually not good news.

Second, there is an amp located under the factory CD changer. You most likely will need to "bypass" that, I don't think there is an integration harness available for that vehicle and without more info I won't be able to safely advise you on how to integrate..If you don't already know this..bypassing requires extending all the speaker wires from the factory amp to the dash area...or running all new wires to each speaker, not too bad but not a day at the beach either.

And third, if you really want to attempt this yourself and are lost, get back to me and let me know exactly which factory system you have I perhaps I can be of more help. However, if you are not used to doing a job like this it might not be a bad idea to seek help from a pro installer in your area.

Luck be with you.



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Posted By: asiandl
Date Posted: October 26, 2006 at 9:45 PM
I have the pioneer am/fm tape deck... No cd changer... Looking to install an alpine cd deck... I read on the Lexus forum that there is a harness that will work with it, Its the Toyota Premium harness that the guy used but he dont remember the part number...




Posted By: master5
Date Posted: October 26, 2006 at 10:51 PM

ok, is this pioneer factory or aftermarket?

I will assume factory. If the premium harness works thats fine, it's not really hard to find, I stock them as well. Don't remember the part # but it's metra. No one else lists this and for some reason I can not get on metras website to verify. I didn't think that harness would work on a 92..but I could be wrong.

If so, you want a deck with front and rear preouts as the harness uses rca's. otherwise you can "y" adapt it but you will lose fader.

Do you have a kit for the dash? I can't seem to locate any info about this.



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