IIRC, the speaker grilles should say premuim sound, or check behind the glovebox for the amp.
The additional harness is to bypass the factory amp, which the general feelings toward it are that its crap.
-Ken V.
1998.5 SE Praire Tan Zetec ATX
psycho_bass@hotmail.com
Roush springs Roush rear sway bar BAT struts 17" Millie Miglia HT3 and a ton of subtle asthetic mods
