IIRC, I have a T1804 from 2005 Scion. I do remember drilling out the rear heat sink for the second antenna connector.Lex said:I don't think my Scion HU has the hidden 2nd antena. I took off the heat sink on the back to look. It's an T1804.
Lex in NC
Lex said:Oops. Found it.
Lex