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.