Rear Window Defrost
WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
The heated rear window control switch is part of the climate control assembly located in the instrument panel. When the heated rear window control switch is pressed, ground is provided to the heated rear window relay coil. The heated rear window relay supplies voltage to the rear window defrost grid and the LH and RH exterior rear view mirror defrost grids.
The SJB will deactivate the heated rear window relay when one of the following conditions is met:
- The heated rear window control switch is pressed when the feature is active
- Ignition switch state is changed from RUN to OFF/LOCK
- The 17-minute timer completes