GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the left side sound insulator.
  2. Pull the carpet away from the BCM mounting bracket.
  3. Release the BCM wire harness retainer from the BCM bracket.
  4. Remove the Horn Relay from the relay socket on the back of the BCM wire harness.

Installation Procedure

  1. Install Horn Relay in to the relay socket on the back of the BCM wire harness.
  2. Secure the BCM wire harness retainer to the BCM bracket.
  3. Push the carpet back into place.
  4. Install the left side Sound Insulator.