GM Service Manual Online
For 1990-2009 cars only

Caution: Refer to Battery Disconnect Caution in the Preface section.

The rear window defogger bus lead wire or the terminal can be reattached by resoldering. Use a solder containing 3 percent silver and a rosin flux paste.


    Object Number: 1225301  Size: SH
  1. Disconnect the negative battery cable.
  2. The repair area should be buffed with fine steel wool before soldering the bus lead wire.
  3. Apply the paste-type rosin flux in small quantities to the wire lead and the bus lead wire repair area using a brush.

  4. Object Number: 1225302  Size: SH
  5. Coat the soldering iron tip with solder. Use only enough solder to ensure a complete repair.
  6. Use only enough heat to melt the solder. Do not overheat the wire when resoldering to the bus lead wire.