WARNING: This page is about a different car, the 2011 Mercury Milan, 2011 Lincoln MKZ, and 2011 Ford Fusion. However, it is still accessible from the selected car via links, so may be relevant.
Splice tape removed
1 = Intermittent short
Splice covered
2 = Wire strand
3 = Splice tape
4 = Harness tape
Fig 1: Identifying Electrical Short Within Harness