GM Service Manual Online
For 1990-2009 cars only
  1. The rear defogger bus bar lead wire or terminal can be reattached by soldering. Use a solder containing 3 percent silver and a rosin flux paste.
  2. Before soldering the bus bar, the repair area should be buffed with fine steel wool.
  3. The buffing removes the oxide coating formed during the glass manufacture.


    Object Number: 71189  Size: SH
  4. Apply the paste-type rosin flux in small quantities to the wire lead and the bus bar repair area using a brush.
  5. Important: Do not overheat the wire when resoldering the wire to the bus bar.

  6. The soldering iron tip should be coated with solder beforehand. Use only enough solder to ensure a complete repair.