It should be here tomorrow. I ordered the Pioneer deh p9400mp. currently I have an aftermarket tape deck (Kenwood) it was installed professionally. I shouldn't need a wiring harness should I? I sure hope not, anything I should know about installing this?
Thanks for any help

__________________
1986 560 SEC *Sold* < Big Mistake I miss my baby!
1988 300SE *Sold*
1989 300CE - current car, but not for too long