Rear Defog Option - Kits and Components

Dash color painted steel bezel that houses the courtesy switches with DEFOG on all 1970 Mercury Cougar XR7's. This is the bezel that says MAP COURTESY PANEL DEFOG. May have some small pits, depending upon stock on hand. Plan on detailing them with your interior color for best results.Replaces Ford part number D0WB-10964-B. During assembly of your switches, note that the pins need to be on top. Switches and wiring harnesses sold individually. ...

Used rear defog blower motor with integral fan. Ford supplied these for many years, some have different connectors on them. Some have the square style as found starting in 1973. We have a good supply of working and tested motors, so request the type of plug end you need.Replaces Ford part number C8AZ-18527-A and D3AZ-18527-A.

Used switch panel for most 1971-73 XR7 hard tops. Panel holds 3 different toggle switches: COURTESY - MAP - R.DEFOG. All came painted black with the camera case finish with the indicated switches as shown. Most will be nearly pit free as shown but will need a spray of black paint for that 'extra' detail prior to installation. This panel does have a small hole above the defog switch for the red indicator light. Red indicator light sold separately. *Note excludes convertible and those Cougars...

New Old Stock 'DEFOG' knob. Attaches to hand down defog switch on 1969-70 Mercury Cougar and Ford Mustang with rear defogger option. *Note - Excludes 1970 Mercury Cougar XR7. Those cars had the defog switch in the courtesy light panel. Replaces Ford part number C9WY-18519-A.

Used switch for the rear defog or defogger fan on any 1970 Mercury Cougar XR7. Rocker switch only. Tested and working two speed switch. Replaces Ford part number D0WY-18578-A.*Note - 1970 Standard Model Cougar uses the 1969 Mercury Cougar switch over the radio.

Used service replacement switch for the rear defog or defogger fan on any 1968 Mercury Cougar or Mustang coupe or hardtop. Original Aetna manufactured switch with the three prongs on back. Tested and working two speed switch. Comes as shown with mounting bracket and chrome knob, bezel is marked "DEFOG" as shown. *Note - this is not the OEM 1968 defog switch, it is the switch used in defog kits starting in 1970 for many Ford and Mercury dealer installed or over the counter kits.Replaces Ford...

Used switch for the rear defog or defogger fan on any 1968 Mercury Cougar or Mustang coupe or hardtop. Original Aetna manufactured switch with the three prongs on back. Tested and working two speed switch. Comes as shown with mounting bracket and black knob marked "DEFOG". Replaces Ford part number C8ZZ-18578-A.

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...

Used tested red lamp for the rear defog or heated back lite option for all 1971-73 Mercury Cougar and Ford Mustang with that factory option. These are tested, and the lights do work, there is a bulb sealed inside. According to the Ford MPC, this also was used on full sized Ford and Mercury cars.

Rear defog conversion kit for 1970 Mercury Cougar XR7's. Includes switch and DEFOG panel, switch wiring, power lead, long harness to blower motor, and blower motor and grille cover which installs in the rear package tray. Please see your electrical schematic for connection details. This set up can easily be installed into a 1969 XR7 as well. You may need to purchase an accessory lead and buss bar if your car was not equipped. Everything has been tested to be in working condition.

Rear defog conversion kit for any 1968 Mercury Cougar or Ford Mustang Coupe. Includes switch with bracket that goes under the edge of the dash, wiring harness to the accessory plug (for sure on all 1968 Standard and XR7's), long harness to blower motor, and blower motor and grille cover which installs in the rear package tray. Please see your electrical schematic for connection details. Everything has been tested to be in working condition. *NOTE - Early 1967 Cougars do not have the proper...

Rear defog conversion kit for most 1969-70 Mercury Cougar and all 1969-70 Ford Mustang Coupes. Includes hang down switch with wiring, long harness to blower motor, and blower motor and grille cover which installs in the rear package tray. Please see your electrical schematic for connection details. Excludes 1970 XR7 models, those cars had the defog switch integrated into the XR7 switch panel. This set up can easily be installed into a 1969 XR7 as well. You may need to purchase an accessory...

Used relay for any 1971-72 Mercury Cougar or Ford Mustang with factory heated back glass or rear defog. Tested and working, with correct plug for connection to electrical harness. Ford part number D1OB-18C641.

Used relay for any 1973 Mercury Cougar or Ford Mustang with factory heated back glass or rear defog. Tested and working, with correct plug for connection to electrical harness.Ford part number D3AB-18C641.

Used switch panel with 3 switches for all 1971-73 Mercury XR7 coupes and coupes with the rear defog option. Inspected and tested switch panel for COURTESY - MAP - ACCY or R.DEFOG. Non replaceable switches, they all have to work in order for us to sell them. Save your toggle tips, we don't normally include them.*Note - Excludes XR7 convertible models which uses a different switch panel.Replaces Ford part number D1WY-18578-B, switches stamped D1WB-18C621-AA on the reverse.

Used replacement toggle switch for the 71-73 Cougar XR7. This is a double throw switch that can be used in either the accessory, convertible top or defog positions on the switch assembly.

Used replacement toggle switch for the 71-73 Cougar XR7. This is a single throw switch that can be used in either the map or courtesy light positions on the switch assembly.

Used wiring harness that plugs into the rear of the 1970 XR7 switch panel when you have factory rear defog. Individually colored plugs for the switches. This harness is marked D0WB-10B923-F. There are a total of three wiring segments or harnesses for the 1970 XR7 with rear defog. The additional ones are the power lead harness, and the long wired one that goes to the blower motor. Please see your wiring schematic for clarification.Ford part number D0WY-10B923-C or D0WB-10B923-F, ...

Used power lead harness for the 1970 XR7 rear defog option. This harness connects to the accessory plug out of the fuse block, the defog switch harness, and the blower motor wiring harness. Please see your wiring schematic for clarification. There are a total of three wiring segments or harnesses for the 1970 XR7 with rear defog. The power lead harness, switch panel harness, and the long wired one that goes to the blower motor.Complete Ford part number unknown, but the basic number is 18C496. ...

Used rear defog wiring harness for any Standard Model 1971-72 Mercury Cougar. Non-XR7 models only, this harness is the main under dash harness that plugs into the back light glass or defog switch. This listing does not include the jumper wiring harness to the heated back glass, or the relay.Ford part number D1WB-18C617-BB.

Used rear defog wiring harness for any Standard Model 1973 Mercury Cougar. Non-XR7 models only, this harness is the main under dash harness that plugs into the back light glass or defog switch. This listing does not include the jumper wiring harness to the heated back glass, or the relay.Ford part number D3WB-18C617-BA.

Used rear defog wiring harness for any XR7 Model 1971-72 Mercury Cougar. XR7 models only, this harness is the main under dash harness that plugs into the back light glass or defog switch. This listing does not include the jumper wiring harness to the heated back glass, or the relay.*Note - will not fit a 1971-72 Standard Model Cougar, the switches are different.Ford part number D1WB-18C617-AB.

Used rear defog wiring harness for any XR7 model 1973 Mercury Cougar. XR7 models only, this harness is the main under dash harness that plugs into the back light glass or defog switch. This listing does not include the jumper wiring harness to the heated back glass, or the relay.*Note - Does not fit Standard Model Cougars, those have a different plug for the switch.Ford part number D3WB-18C617-AA.

Used jumper wire for connecting the heated back lite glass to the defog harness on any 1971-72 Mercury Cougar or Ford Mustang equipped with factory rear defogger. AKA defrost. 1973 has a different wire connector.Ford part number found on wiring diagram 18C394.

Used jumper wire for connecting the heated back lite glass to the defog harness on any 1973 Mercury Cougar or Ford Mustang equipped with factory rear defogger. AKA defrost. 1971-72 has a different wire connector.Ford part number found on wiring diagram 18C394.

Rear package tray defrost or defog grille. Fits all 1968-70 Mercury Cougar and Ford Mustangs with the rear defogger option. All of them were black in color. Later they were available in colors. We also have blue available, see our related tab. Replaces Ford part number C8AZ-18C490-B.

Rear package tray defrost or defog grille. Fits all 1968-70 Mercury Cougar and Ford Mustangs with the rear defogger option.Typically you only see black grilles. Later they were available in colors. We have this blue available. Replaces Ford part number C8AZ-18C490-B. This icon means that we're looking to buy this part!WCCC is a buyer of used and NOS hard to find 67-73 Mercury Cougar parts. Usually we give an in store credit of 50% of our web price for parts delivered in hand or by carrier to...

Factory knob for the new for 1968 rear window defogger. This is the knob for the 2 speed fan switch mounted to the bottom dash on cars so equipped. Rare option, we try and match these up to the switches. Spares occasionally come in, subject to availability.

Used wiring harness that goes from the rear of the dash all the way to the blower motor in the package tray. This same wiring was used on all 1969-70 Mustangs and Cougars. 1970 Cougar XR7 models have a slightly different configuration, but utilize the wire harness.Replaces Ford part number C9WB-18C394-A.