[ashley1043]

I have everything to put a system in my car, along with a new head unit. does anyone know if it is still a must to by the adapter for my car?

 

[geewhiz]

Thats a little bit vague, could you be a bit more specific?
New GM head unit?

 

[ashley1043]

i got an after mareket alpine head unit, a 10" sub an amp, and all i need is the wiring kit but i wasn't sure if i had to get the adapter also

 

[getonerd]

for the radio yes