Install memory saver, then disconnect battery negative cable.
Remove knee bolster.
Remove headlamp switch knob, then the headlamp switch retaining nut.
Apply parking brake.
Position gearshift selector in First gear position.
Remove instrument panel cluster opening finish panel.
Remove and discard headlamp switch.
Inspect headlamp switch electrical connector for heat damage. If the electrical connector exhibits obvious heat damage, it must be replaced. Obtain harness kit part # F8DZ-11654-EA for non-autolamp and F8DZ-11654-DA for Taurus cars with autolamp and install harness connector according to the instructions on Page 15 for autolamp and Page 17 for non-autolamp cars of this attachment. If the electrical connector does not exhibit obvious heat damage, proceed to next step.
NOTE: Perform the following step only if the headlamp switch electrical connector is not damaged.
On vehicle equipped with auto lamp option, remove terminal B3 from the headlamp switch electrical connector. See Figure 8. Cut terminal end off wire 13 mm (1/2 inch) from connector. Splice on new wire with correct terminal end obtained from switch + B3 kit, F8DZ-11654-FA. Install terminal into B3 terminal slot of connector.
Connect new headlamp switch to its electrical connector, then install headlamp switch.
Install instrument panel cluster opening finish panel.
Position gearshift selector in Park position and release parking brake.
Install headlamp switch retaining nut, then install the headlamp switch knob.
Install knee bolster.
Connect battery negative cable, then remove memory saver.
Check operation of headlamp switch.