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Rear Window Defogger: Repair

  1. Clean the broken portion with alcohol or white gasoline.
  2. Mask both side of heat wire with thin film.
  3. Apply conductive silver composition (DuPont No. 4817) to broken portion.
    Fig 1: Applying Conductive Silver Composition To Broken Portion
    G03809275Courtesy of SUBARU OF AMERICA, INC.
  4. After repair, check the heat wire.