2005-2009 Ford Mustang 4.6L 3-Valve
Remove the bolt securing the battery cable
connector using a 10mm socket wrench. Place the ring connector of the large RED power wire of the intercooler pump relay under the battery cable connector. Re-install the bolt the ring con- nectors, tightening the bolt securely.
Locate the 15-amp fuse located in the #40
position and remove it.
Remove This Fuse
Install the “fuse-tap” supplied onto the fuse
Re-install the fuse into its original position
with the fuse-tap installed.