Used switch for the rear defog or defogger fan on any 1969 Mercury Cougar, 1969 Standard Cougar, and 1969-70 Mustang coupe or hardtop. Original switch with attached wiring harness. Tested and working two speed switch. Comes as shown with chrome knob marked "DEFOG". Some examples may have minor pits in the chrome knob. Wiring marked C9WA-18C498-A. Excludes all convertible models and Mustang fast backs.
Replaces Ford part number C9ZZ-18578-A.
*Note - is not technically correct for 1970 Mercury Cougar XR7 models.