Most times if you order an aftermarket deck online the will aks what type of
vehicle that you have so they can send you the corect adapter. The adapter
wires into the new deck's plug and then plugs into the stock harness so you
don't have to cut into your cars electrical system.

Conrad
"donovan n" <kzin@***.net> wrote in message
news:g19Ja.77661$%42.23208@fed1read06...
> I have a '03 Elantra with a factory tape deck in it, I'm going to assume
> that any aftermarket CD player will need it's own built-in amp?
>
> --donovan
>
>