jamesgs400 Posted March 10, 2006 Share Posted March 10, 2006 My 2000 Gs400 did not come with a Nav system, I found a donor gs400 with the system, does anyone know if the car is already prewired with the wiring harness for the nav system? can an oem system be added? Quote Link to comment Share on other sites More sharing options...
dcfish Posted March 10, 2006 Share Posted March 10, 2006 My 2000 Gs400 did not come with a Nav system, I found a donor gs400 with the system, does anyone know if the car is already prewired with the wiring harness for the nav system? can an oem system be added? Again, NO PREWIRE :cries: But if you have a donor it can be done. Out with everything pioneer including the amp and in with everything nav. You will not be able to pull the line from the trunk to the dash from the donor it is integrated into the body harness. So you will have to run a digital line seperately and that my friend you will have to integrate into the existing connectors which will take a little more than a plug and play. If you are not familiar with this type of work failure is inevitable. Quote Link to comment Share on other sites More sharing options...
jamesgs400 Posted March 10, 2006 Author Share Posted March 10, 2006 My 2000 Gs400 did not come with a Nav system, I found a donor gs400 with the system, does anyone know if the car is already prewired with the wiring harness for the nav system? can an oem system be added? Again, NO PREWIRE :cries: But if you have a donor it can be done. as per lexus dealer in new york the job is to big and to costly to be done even with a donor vehiche. Thanks Again Quote Link to comment Share on other sites More sharing options...
cesargucla Posted March 18, 2006 Share Posted March 18, 2006 My 2000 Gs400 did not come with a Nav system, I found a donor gs400 with the system, does anyone know if the car is already prewired with the wiring harness for the nav system? can an oem system be added? There is a way to do it that is not easy, it requires a totally seperate harness that is "jumpered" into the existing wiring. The nav system touches the audo amp system for voice commands, the data link system for speed info used for the GPS display, power from the audio feed and the harness runs from the dash to the trunk!!! What a b%*&h to install!!! But if you are really stubborn, you can do it... I'm sure you can install a good aftermarket unit for a lot less misery. I recommend the new Pioneer systems. If you decide to not pursue the upgrade, please let me know, I'd be interested in the components. Thanks, Cesar Quote Link to comment Share on other sites More sharing options...
pman Posted April 19, 2006 Share Posted April 19, 2006 Dcfish do you have a wire harness for oem nav 2001 gs300? Please email me. Quote Link to comment Share on other sites More sharing options...
dcfish Posted April 19, 2006 Share Posted April 19, 2006 Dcfish do you have a wire harness for oem nav 2001 gs300? Please email me. Sorry, No harness. :cries: Quote Link to comment Share on other sites More sharing options...
new big400 Posted April 19, 2006 Share Posted April 19, 2006 That nav. that is too much work for that dinosaur system.Have you considered aftermarket? Quote Link to comment Share on other sites More sharing options...
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