or try these
general harnesses
http://www.mustangsunlimited.com/keyword.asp?Keywords=wiring+harness&x=10&y=12
5.0 harness
http://www.mustangsunlimited.com/keyword.asp?Keywords=wiring+harness+5.0
alternator harness
http://www.mustangsunlimited.com/keyword.asp?Keywords=wiring+harness+alternator
aftermarket ecu’s
http://www.mustangsunlimited.com/keyword.asp?Keywords=ecu
http://www.mustangsunlimited.com/keyword.asp?Keywords=computer