Method II
CAUTION: Any break in the grid longer than 25 mm (1 inch) cannot be serviced. The back window glass must be replaced. For breaks less than 25 mm (1 inch) long, use this procedure:Inoperative grid wires on heated rear windows should be serviced by using Rear Window Defroster Repair D8AZ-19562-AA or equivalent meeting Ford specification ESB-M4J58-A.
NOTE: If the first layer of the rear window grid (brown color) is damaged or missing it will be necessary to apply Brown Lacquer Touch-Up Paint AL81-5477-B or equivalent on the glass prior to applying the Rear Window Defroster Repair D8AZ-19562-AA or equivalent meeting Ford specification ESB-M4J58-A.
NOTE: There are two methods for repairing terminal separation from back window glass and/or grid breaks. Method one involves soldering the terminal to the glass and method two uses an epoxy adhesive.
NOTE: This method requires a repair kit number 50-25-0584-0029 available from:
Marketing East Company
No. 10, Liberty Street
North Andover, MA 01845
Attn: Sales
Phone: (508)689-9565
Contact the manufacturer for the latest ordering information.
Terminal Repair
1. Following the manufacturer's instructions, apply conductive cement to the repair area.
2. Following the manufacturer's instructions, apply conductive cement to the repair area.
3. Following the manufacturer's instructions, position and hold the pigtail terminal on the conductive cement.
4. Following the manufacturer's instructions, apply heat to the repair area.
5. After allowing sufficient cure time, according to manufacturer's instructions, reconnect the heated back window switch and light connector to the pigtail terminal and retest the system.
Grid Line Repair
1. Following the manufacturer's instructions, clean and mask the repair area.
2. Following the manufacturer's instructions, apply conductive cement to the repair area.
3. Following the manufacturer's instructions, apply heat to the repair area.
4. After allowing sufficient cure time, according to manufacturer's instructions, retest the system.