Alarm Horn: Service and Repair
SIRENREMOVAL
1. Disconnect and isolate the battery negative cable.
2. Raise and support the vehicle.
3. Remove the horn(s) and mounting bracket from the outboard side of the right front frame rail.
4. Locate the alarm siren module (2) within the hollow on the back of the right end of the front frame crossmember (1) outboard of the right frame rail.
5. Disconnect the headlamp and dash wire harness connector from the connector receptacle near the top of the siren.
6. Remove the screw (3) that secures the siren mounting bracket (4) to the right end of the front crossmember.
7. Remove the siren and mounting bracket from the back of the crossmember as a unit.
INSTALLATION
1. Position the alarm siren module (2) and mounting bracket unit within the hollow on the back of the right end of the front frame crossmember (1) outboard of the right frame rail.
2. Install and tighten the screw (3) that secures the siren mounting bracket (4) to the right end of the front crossmember. Tighten the screw to 14 N.m (10 ft. lbs.).
3. Reconnect the headlamp and dash wire harness connector to the connector receptacle near the top of the siren.
4. Reinstall the horn(s) and mounting bracket to the outboard side of the right front frame rail.
5. Lower the vehicle.
6. Reconnect the battery negative cable.
NOTE: If the alarm siren module has been replaced with a new unit, the new unit MUST be configured in the intrusion module before the Vehicle Theft Security System (VTSS) can operate as designed. The use of a diagnostic scan tool is required to configure the siren settings in the intrusion module.
BRACKET
REMOVAL
1. Remove the alarm siren module and bracket as a unit from within the hollow on the back of the right end of the front frame crossmember outboard of the right frame rail.
2. Remove the screw (3) that secures the bracket (2) to the back of the siren (1).
3. Remove the siren from the bracket.
INSTALLATION
1. Position the alarm siren module (1) with the threaded insert in the siren aligned with the mounting hole in the back of the bracket (2).
2. Install and tighten the screw (3) that secures the bracket to the siren. Tighten the screw to 14 N.m (10 ft. lbs.).
3. Reinstall the siren and bracket as a unit into the hollow on the back of the right end of the front frame crossmember outboard of the right frame rail.