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Rear Window Defogger System: Repair

  1. Clean the broken portion with alcohol or white gasoline.
  2. Mask both side of wire with masking tape.
  3. Apply conductive silver composition to the damaged point.

    Conductive silver composition: 

    Permatex 

    QUICK GRID 

    Fig 1: Applying Conductive Silver Composition To Damaged Point
    G06653745Courtesy of SUBARU OF AMERICA, INC.
  4. After applying conductive silver composition, dry it using a drier.
  5. After repair, check the wire.