GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1256544  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the electrical connector.
  3. Remove the bolt and the horn.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1256544  Size: SH
  1. Install the horn with the bolt and tighten to 20 N·m (15 lb ft).
  2. Connect the electrical connector.
  3. Connect the negative battery cable.