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GS - 2nd Gen (1998-2005) Discussion about the second generation GS300, GS400 and GS430 (1998 - 2005)

Is it possible to switch from a nakamichi to a pioneer unit?

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Old May 13, 2026 | 02:42 PM
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Default Is it possible to switch from a nakamichi to a pioneer unit?

I have a 1999 GS300 with nakamichi head unit. The front right speaker goes in and out, the tape deck stopped working. And to add insult to injury, the radio isn't working either. I was thinking about replacing it with an aftermarket system.

That would require doing more than i really want. I found a head unit, and the amp behind the glove box in the salvage yard, they are holding it for me until tomorrow. I was hoping to it would be feasible.
The pioneer unit is from a 2002. Any help would be appreciated.
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Old May 13, 2026 | 02:51 PM
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No this is not possible without replacing the entire harness (or doing some serious wiring) they are different depending on audio system

82141-3F120 AM/FM CASSETTE & CD AUTO CHANGER & 7SPEAKER & GPS NAVIGATION SYSTEM & EMV
82141-3F130 AM/FM CASSETTE & CD & CD AUTO CHANGER & 7SPEAKER & GPS NAVIGATION SYSTEM & EMV
82141-3F150 W(7 SPEAKER, NAKAMICHI & CD AUTO CHANGER)
82141-3F200 CD PLAYER & CD AUTO CHANGER

Easier to go aftermarket.
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Old May 13, 2026 | 04:41 PM
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I was afraid of that, I looked on youtube and searched the gs forum. I didnt see anything. thank you for your time!
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Old Jun 2, 2026 | 11:34 AM
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Default Metra Adapter

I just completed this project on my GS430 for my first time ever doing audio (took about a week lol) It is required to grab the AC climate control from an older GS if you have the nav unit I added a Pioneer DMH-W4660NEX head unit I ended up keeping my factory amp to run the door speakers also added a 5 channel amp in the trunk to run my new rear sub Pioneer 10in shallow custom fit into the OEM bracket and adding a metra interface adapter to keep the factory connectors and not splicing so much after all this mine sounds beautiful METRA AXXESS AXTO-TY1 / Digital Amplifier Interface FOR 2001-2015 TOYOTA
https://ebay.us/m/DC9pph

Also purchase a dash kit so it sits nice and flush mine is from Metra I bought it from Best Buy


Last edited by InfernoMarco; Jun 2, 2026 at 11:40 AM.
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