Ford Probe Single Wire Door Lock/Unlock Alarm System Circuit Schematic

The following circuit illustrates the Ford Probe Single Wire Door Alarm System. This Single Door Locking Wire manages both LOCK and UNLOCK functions, indicating that the pulse wires must be connected to the same vehicle wire. The system primarily utilizes a single wire 12V Positive Door Lock System, where the LOCK command is executed with a standard 12V positive pulse, and the 12V UNLOCK pulse command must be limited through a 4.7K Ohm resistor.

The Ford Probe Single Wire Door Alarm System is designed to enhance vehicle security by controlling the locking mechanisms through a single wire interface. The system operates on a 12V power supply, which is commonly found in automotive applications. The LOCK function is activated by applying a positive voltage pulse to the locking wire, while the UNLOCK function requires a similar pulse but is subject to current limitation through a 4.7K Ohm resistor.

This resistor is critical as it ensures that the current flowing through the UNLOCK command does not exceed safe operating levels, thereby protecting the vehicle's locking mechanism from potential damage due to excessive current. The use of a single wire for both locking functions simplifies installation and reduces the complexity of wiring harnesses, making it an efficient solution for vehicle manufacturers and aftermarket installations alike.

In practical applications, the circuit may include additional components such as diodes to prevent back EMF from affecting the control circuit, and capacitors for smoothing out voltage spikes. The integration of these components contributes to the overall reliability of the system. Proper grounding and connection integrity are essential to ensure consistent operation, as any interruption in the circuit could lead to malfunctioning of the locking system.

Overall, the Ford Probe Single Wire Door Alarm System exemplifies a streamlined approach to vehicle security, marrying simplicity with effectiveness in controlling door locking mechanisms.The following circuit schemes the Ford Probe Single Wire Door Alarm System. This Single Door Locking Wire controls both LOCK and UNLOCK which means the pulse wires have to be connected to the same vehicle wire. The system is basically uses a single wire ( ) 12V Positive Door Lock System with LOCK command is simply a regular ( )12V positive pulse a

nd the ( ) 12V UNLOCK pulse command must be resisted through a 4. 7K Ohms resistor. 🔗 External reference