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For 1990-2009 cars only

Horn Switch Replacement - On Vehicle Chevrolet

Removal Procedure

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 290190  Size: SH
  1. Remove the inflatable restraint steering wheel module (4).
  2. Remove the screw (3) from the ground lead.
  3. Disconnect the power lead (8) by pulling straight out.

Installation Procedure


    Object Number: 290190  Size: SH
  1. Install the horn switch (2) to the inflatable restraint steering wheel module (4).
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the screw (3) to the ground lead.
  4. Tighten
    Tighten the screw to 1.9 N·m (17 lb in).

  5. Connect the power lead (8) by pushing straight into the outlet.

Horn Switch Replacement - On Vehicle Pontiac

Removal Procedure

Caution: This vehicle is equipped with a Supplemental Inflatable Restraint (SIR) System. Failure to follow the correct procedure could cause the following conditions:

   • Air bag deployment
   • Personal injury
   • Unnecessary SIR system repairs
In order to avoid the above conditions, observe the following guidelines:
   • Refer to SIR Component Views in order to determine if you are performing service on or near the SIR components or the SIR wiring.
   • If you are performing service on or near the SIR components or the SIR wiring, disable the SIR system. Refer to Disabling the SIR System.


    Object Number: 581753  Size: SH
  1. Disconnect the horn wiring connector (1) from the steering column.
  2. Remove the horn wiring connector bolts (2).
  3. Remove the horn switch (3) from the steering wheel (4).

Installation Procedure


    Object Number: 581753  Size: SH
  1. Position the horn switch (3) to the steering wheel (4).
  2. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  3. Install the horn wiring connector bolts (2).
  4. Tighten
    Tighten the horn wiring connector bolts to 1.9 N·m (17 lb in).

  5. Connect the horn wiring connector (1) to the steering column.