Quote: Originally Posted by
hd54321 
You may be on to something....I think the GM plug is actually a "mini-motorola-male"....Anyways, I just ordered a Y Adapter and a GM Mini -> Aftermarket adapter. I ordered from nugadgets.com. Great price for the items but shipping was almost $9!! Anyways - hopefully it'll work. Thanks for the good advice.
-HD
I know this is from a while back, but if you are still reading this board, any update on how the adapters worked? I am currently having the exact same situation with my 1999 ES300. Poor FM reception using only the one antenna plug. Thanks!