Reddit reviews Metra 70-5519 Radio Wiring Harness for Mustang 01-03 Mach 1 Amp Int
We found 2 Reddit comments about Metra 70-5519 Radio Wiring Harness for Mustang 01-03 Mach 1 Amp Int. Here are the top ones, ranked by their Reddit score.
Included Components: Wire HarnessManual
It will likely have the Mach 460 or Mach 1000 sound stuff in it -- I put a Pioneer double-din head unit in a similar car (2004) and used this:
http://www.amazon.com/Metra-95-5026-Installation-2001-up-Vehicles/dp/B000K52CX8/ref=sr_1_1?ie=UTF8&qid=1375172629&sr=8-1&keywords=Scosche+Ford+01-05+Ford+Installation+Kit+Car+Stereo
and this:
http://www.amazon.com/Metra-70-5519-Wiring-Harness-Mustang/dp/B0002BETKY/ref=sr_1_4?ie=UTF8&qid=1375172690&sr=8-4&keywords=metra+2001+mustang+stereo+kit
I'd say use ebay to find a decent used head unit with bluetooth and the above to install your unit and you should be good.
https://www.amazon.com/Metra-70-5519-Wiring-Harness-Mustang/dp/B0002BETKY That's the harness I used in conjunction with https://www.amazon.com/gp/product/B000K52CX8/ref=ppx_yo_dt_b_asin_title_o08_s00?ie=UTF8&psc=1 to secure the radio. If you need help or pictures of how I wired mine up, just shoot me a message and I'll be glad to help.