I'm sure the carstereo install shops have one
but I have no idea how to get it.
http://www.crutchfield.com/S-TN1lzWLU8FS/cgi-bin/autoinfo/autoinfo.asp?vehicleid=0&typeCH=home&vb=Y&lp=%2FS-TN1lzWLU8FS%2Findex%2Ehtml%3F%26id%3D0%26vehicleid%3D0&cm_re_o=fB5EzM*5yBpFwEAN*ctzfubflFYgzy
You just have to input the year, make and model.
It's really a list perse and does involve some searching
on you part but it's all I have found so far.
Also try this link:
http://www.the12volt.com/
Loads of info, I just haven't had time to sift thru it.
Louis.