No actually I got the pinout configured but it never worked. Maybe my soldering job might have been crappy. The logic behind it was simple though. instead I did something else: used the actual input from the pioneer headset, and attached it to my dash with some rubber pieces I bought from Home Depot. I posted the pictures in my post previous to this one. Easier that way !

Thanks. I didn't see that post until after I had quoted you in my previous post.

So how does that expansion nut work? Do you simply insert the 3.5mm input from the Pioneer USB / 3.5mm cable (that's connected to the back of the Pioneer) into the expansion nut? Is it a tight fit? Does the whole thing tend to pull out when you unplug the 3.5mm cable from it?

How big a hole do I drill for the expansion nut to fit tightly in my dash?

Thanks. I didn't see that post until after I had quoted you in my previous post.

 

So how does that expansion nut work? Do you simply insert the 3.5mm input from the Pioneer USB / 3.5mm cable (that's connected to the back of the Pioneer) into the expansion nut? Is it a tight fit? Does the whole thing tend to pull out when you unplug the 3.5mm cable from it?

 

How big a hole do I drill for the expansion nut to fit tightly in my dash?

Yeah it's real tight in there, and it won't come off just by simply plugging your ipod in and out of it. You'll have to progressively get the hole to the size it needs to be to get the tight fit. I started with a 3/8" drill bit. Then You'll have to cut the bottom of the expansion nut cuz there's a threaded metal end to it. you'll need to cut it so you can push the actual jack (from the pioneer H/U) in there. then the rubber washer is just for cosmetic (to match my USB input next to it)

So did you completely remove the metal threaded piece that was in the expansion nut? Just got my Z120BT and it's 3.5mm jack is pretty thick. Seems like I have to completely remove that metal threaded piece from the expansion nut.

So did you completely remove the metal threaded piece that was in the expansion nut? Just got my Z120BT and it's 3.5mm jack is pretty thick. Seems like I have to completely remove that metal threaded piece from the expansion nut.

Here are some pictures !