Escort L4-116 1.9L SOHC HO (1989)
Switch
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Window
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SPECIAL SERVICE TOOLS
36-86-4
TESTING
Grid Wire Test
36-86-4
Relay Tests
36-86-4
VEHICLE APPLICATION
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VEHICLE APPLICATION Taurus/Sable.
DESCRIPTION AND OPERATION
The heated rear window defroster system consists of a switch and relay control assembly mounted to the instrument panel and a series of grid wires
baked on the inside surface of the rear window. When the control switch is activated by the rocker or push button, current is directed to the grid wires on
the rear window. The heated grid wires keep the rear window clear of fog or ice. The integral timer automatically turns off the heating grid after
approximately 10 minutes of operation. If more than 10 minutes of use is needed, the grid can be reactivated for another 10 minutes by pushing the
rocker or push button to the ON position. This operation can be repeated as required. Power for the control timer and relay coil comes from the RUN
terminal of the ignition switch and from a wire containing a fuse link connected to the starter relay.
1988 Taurus/Sable
36-86-2
Window, Rear-Defroster
36-86-2