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Recently I replaced the GPS screen by one of those aliexpress' ones in my parent's Lexus NX300h (2016). The new unit comes with its own GPS antenna connected to the unit. I was wondering if I could connect to the preinstalled antenna.
It looks like the GPS connector in the head unit could be the GT5-1PP. Could somebody confirm this? The GT5 standard is a bit complex to me.
I apologize that I don't have any concrete answer for you, but I was scrolling around in the IS section and quickly glanced at this....not sure if this helps.
Plus, try putting in different keywords in the Search section (aftermarket radio, gps antenna....) and see what you'll find.
Hopefully some more knowledgeable members will chime in.
I have been investigating and it looks like it is not a standard one. I found that the male's P/N is 90980-50024. I have not found the female yet (it looks symetric to the 90980-50044. In the case of the male connector that goes directly to the headunit, it seems to be the: 90980-50059.
So, my progress so far: