Rear Window Defogger Wire Repair
NOTE: To make an effective repair, the broken section must be no longer than 25 mm (1 inch).
  1. Lightly rub the area around the broken section (A) with fine steel wool, then clean it with isopropyl alcohol.
  1. Carefully mask above and below the broken portion of the defogger wire (B) with cellophane tape (C).