My '06 doesn't have an AUX port. As for the power plug, mine didn't work when I bought mine (used). It was missing the 20A fuse in the distribution box under the hood (right side if I recall correctly). I believe it's F1.61, but check your manual as the '05 may be different.
A forum community dedicated to Ford Mustang owners and enthusiasts. Come join the discussion about performance, builds, modifications, reviews, engine swaps, classifieds, troubleshooting, maintenance, and more!