Ford 2003 Mustang Workshop Manual page 1998

22. Remove the wiring harness.
Separate the wiring harness from the LH valve cover stud bolt.
Separate the wiring harness from the power steering reservoir bracket.
Installation
1. Position the wiring harness:
Install the wiring harness retainer onto the LH valve cover stud bolt.
Install the wiring harness retainer into the power steering reservoir.
2. Connect the ECT sensor electrical connector.
3. Connect the CMP sensor electrical connector.