The horn system consists of the following components:
The vehicle horn system is activated under the following conditions:
When the OnStar?® system is used to sound the horns if equipped?€”For further information, refer to OnStar Description and Operation.
Battery positive voltage is applied at all times to the horn relay coil and the horn relay switch. Pressing either of the horn switches applies ground to the horn relay control circuit. The BCM may also apply ground to the horn relay control circuit as described above. When the horn relay control circuit is grounded, the horn relay is energized and battery positive voltage is applied to the horns through the horn control circuit. The horns sound as long as ground is applied to the horn relay control circuit.
Center Pillar Upper Trim Panel Replacement
Center Pillar Upper Trim Panel Replacement
Callout
Component Name
Preliminary Procedure
Remove the center pillar lower trim panel. Refer to Center Pillar
Lower Trim Panel Replacement.
Remove the seat belt from the front s ...
Battery Replacement
Removal Procedure
Open the hood.
Disconnect the negative battery cable. Refer to Battery Negative Cable
Disconnection and Connection.
Remove the battery retainer bolt (1) and the battery retainer (2).
Loosen the battery positive cable ju ...
Engine Oil Cooler Coolant Inlet Hose Replacement (LUV)
Engine Oil Cooler Coolant Inlet Hose Replacement
Callout
Component Name
Preliminary Procedure
Open the hood.
Drain the cooling system. Refer to Cooling System Draining and Filling.
1
Oil Coo ...