Had an issue with my grom, and getting the black screen and A/C messing up. Tried to install the drivers according to https://gromaudio.com/software-vl1.html Still a no go. Put the wiring back to stock to check to see if it was the OE navi unit, and it works fine. All the wiring appears to be ok, but I haven't tested them yet. Submitted a support ticket but haven't heard anything back. Help would be appreciated.
This is all on an 08 Lexus ISF.
This is all on an 08 Lexus ISF.
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