Quote Originally Posted by simbah View Post
If you do NOT have Monsoon then you do NOT need GMOS-04. What you need is the GMOS-01. Then you will have sound, provided everything is connected properly.I didn't see first post properly til now.....Sorry
So the GMOS-04 won't work? I need to return the GMOS-04 and get the GMOS-01? I thought the GMOS-04 would still work, which is why I kept it.

Quote Originally Posted by wyoprix View Post
my car doesnt have monsoon or onstar either go buy the cheap one at autozone like 21 dollars i bought the expensive one online with the door dinger an **** 65? dont do it it ****s with your car get the cheap simple one it works great hooked it up with a steering wheel control interface works great just make sure u disconnect your battery for afor awhile an if it acts funny disconect for a bit longer an run a seperate power line to the assesory fuse on the passenger side
I want to keep the door chimes, however. I don't have a steering wheel control interface either and I don't need one; I just need to replace the head unit.