GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 675188  Size: SH
  1. Release the BCM wire harness retainer from the BCM bracket.
  2. Remove the horn relay from the relay socket on the back of the BCM wire harness.

Installation Procedure


    Object Number: 675188  Size: SH
  1. Install the horn relay into the relay socket on the back of the BCM wire harness.
  2. Secure the BCM wire harness retainer to the BCM bracket.