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

Removing NAV in a 2003 GS430

Old 04-30-11, 11:37 AM
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Acidic
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Default Removing NAV in a 2003 GS430

Is it a simple swap harness/dash wise to ditch factory nav for the non-nav components? I'd much prefer to use an aftermarket deck and 10yr old nav is pointless when you have a phone that can do a better job. Has anyone done this? Does anyone want to swap their non-nav stuff for my nav stuff?
Old 04-30-11, 08:55 PM
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dejavu157
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u want non navi? i got the stock pioneer one.
Old 04-30-11, 09:26 PM
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I want aftermarket, all I really want is the non-nav climate control
Old 04-30-11, 09:48 PM
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Originally Posted by Acidic
I want aftermarket, all I really want is the non-nav climate control
You can find those easily on eBay for a decent price.
Old 05-01-11, 04:07 AM
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So it will sswap in no problem for the nav deck?
Old 05-01-11, 05:35 AM
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Originally Posted by Acidic
So it will sswap in no problem for the nav deck?
Yup. The climate control harnesses are the same for Nav and Non-Nav.
Old 05-01-11, 06:43 AM
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does the factory harness for the radio plug into the adapter harness for the new radio? wouldn't the factory ML have to be bypassed or would it work by just plugging the new radio into it?
Old 05-01-11, 10:12 PM
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Originally Posted by Lexusfam
does the factory harness for the radio plug into the adapter harness for the new radio? wouldn't the factory ML have to be bypassed or would it work by just plugging the new radio into it?
The climate control portion is plug and play. The aftermarket radio section will be like installing an aftermarket radio in a navigation equipped GS. That means the ML amp and more than likely speakers will need to be bypassed and replaced. Obviously, anything can work, just it would be a PITA and not really worth integrating the ML amp and speakers with an aftermarket deck.
Old 05-01-11, 11:19 PM
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You will lose Climate Control and it will be a costly.
Old 05-02-11, 03:49 AM
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Originally Posted by ThomasGS4
Yup. The climate control harnesses are the same for Nav and Non-Nav.
Awesome, that makes the swap pretty simple. The HVAC units are kinda spendy so maybe I can trade my nav stuff for one, or sell it on ebay to fund it...
Old 05-02-11, 07:00 AM
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Originally Posted by CK6Speed
The climate control portion is plug and play. The aftermarket radio section will be like installing an aftermarket radio in a navigation equipped GS. That means the ML amp and more than likely speakers will need to be bypassed and replaced. Obviously, anything can work, just it would be a PITA and not really worth integrating the ML amp and speakers with an aftermarket deck.
i see, so might as well keep the factory nav and ac control, cause it looks soo much better than the non nav controls, and add a flip out in the section where the audio controsl are for the nav equipped cars. atleast that's what i plan on doing.
Old 05-02-11, 11:34 AM
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Cant you update the stock nav?
Old 05-02-11, 04:37 PM
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Originally Posted by GS4_Fiend
You will lose Climate Control and it will be a costly.
like others said climate control units from a non-nav GS are like $50-80. Plugs are the same, so what would be costly?
Old 05-02-11, 04:41 PM
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Originally Posted by Lexusfam
i see, so might as well keep the factory nav and ac control, cause it looks soo much better than the non nav controls, and add a flip out in the section where the audio controsl are for the nav equipped cars. atleast that's what i plan on doing.
if you want something like this then good luck finding someone to install(i went thru this 2 years ago and 4 shops wouldn't touch it).

Last edited by ALeX300; 05-02-11 at 04:42 PM. Reason: p
Old 05-02-11, 04:49 PM
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Originally Posted by ALeX300
if you want something like this then good luck finding someone to install(i went thru this 2 years ago and 4 shops wouldn't touch it).
yea, that's it, except it'll be a flip-out screen(alpine). I'm doing all the work myself so it's no trouble. just gotta figure out if i can tap the factory wires for the speakers or if i have to run new wires.

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