Alarms / Security / Central Locking


- Porsche 928S2 4.7L 1984-86
- Porsche 928S4 5.0L 1987-92

Fits:
Porsche 928 1984-88
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Diagram ref no 8
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
92861812500
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Real time tracking - call the unit, it hangs up and texts you it location.
Real time polling - can be set up to send you a location report every 30 seconds.
Speed monitoring - Set the limit your vehicle should be traveling at on the unit, when the vehicle exceeds that limit, you get a message notifying you.
Geo fencing - If you car is to stay within a defined area, this unit will let you know when your vehicle has strayed out of that area.
Small and discreet
Voice surveillance
Move alert
Accuracy to within 50 meters
No monthly commitment.
No monthly subscription charge.
12 Month warranty
This product is truly mobile and can be moved from vehicle to vehicle. It is paired with your phone.
Advantages:
This high quality product is affordable, and requires no overall commitment from you.
Makes your car / bike more difficult to steal (if not impossible).
Transferable.
Versatile
Tracker Instructions CLICK HERE



Alarms, Security & Central Locking – Safety, Convenience and Peace of Mind for Porsche Vehicles
Your Porsche’s alarm, security, and central locking systems are designed to keep your vehicle safe, secure, and convenient to use. These systems protect your car from theft or unauthorised access, while allowing effortless locking and unlocking through key fobs, interior switches, or remote systems.
At Design911, we supply a wide range of genuine and high-quality alarms, security modules, actuators, sensors, and central locking components for Porsche models such as 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each part is precision-engineered for seamless integration with your vehicle’s electrical system, ensuring factory-level reliability, response, and protection.
What Do Alarms, Security and Central Locking Systems Do?
These interconnected systems work together to secure and
control access to your Porsche:
- Alarm
systems detect intrusion, vibration, or tampering, sounding an audible
warning and disabling the ignition.
- Security control modules manage the communication between sensors, immobilisers, and locking actuators.
- Central
locking systems allow doors, boot, and fuel flap to be locked or
unlocked simultaneously using the key, key fob, or vehicle button.
- Keyless entry components offer modern convenience, enabling access without a traditional key.
Together, these components ensure safety, convenience, and peace of mind every time you leave or approach your vehicle.
Why Do Alarms and Central Locking Systems Fail?
With time, usage, and environmental exposure, electrical
security components can degrade or fail. Common causes include:
- Worn
actuators or latches leading to doors not locking or unlocking
properly.
- Faulty
alarm sensors or sirens causing false alarms or no response.
- Corroded
wiring or connectors affecting signal transmission.
- Battery failure in key fobs or modules. Moisture ingress in control units or door assemblies.
Symptoms of failure may include erratic locking behaviour, non-functioning remote controls, silent alarms, or warning lights on the dashboard.
Why Replace Faulty Alarm or Locking Components?
A faulty alarm or central locking system can compromise both safety and convenience. Replacing damaged components restores full vehicle protection, ensures reliable operation, and maintains the premium experience expected from a Porsche.
Benefits of replacement include:
- Restored full locking and alarm functionality.
- Improved vehicle security and theft protection.
- Reliable convenience features such as remote access and keyless entry.
- Factory-standard integration and fitment.
Each replacement part is produced to high-level quality, ensuring long-lasting performance, precise operation, and compatibility with your vehicle’s electronics and immobiliser systems.