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Rear Window Defogger System: Repair

  1. Clean the broken portion with alcohol or white gasoline.
  2. Cover both sides of the heat wire with masking tapes.
  3. Apply conductive silver composition to the damaged point.

    Conductive silver composition: 

    Permatex 

    • QUICK GRID 
      Fig 1: Applying Conductive Silver Composition To Broken Portion
      G08566452Courtesy of SUBARU OF AMERICA, INC.
  4. After applying conductive silver composition, dry it using a drier.
  5. After repair, check the wire.