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Car Security

3 Wire Door Locks

In the typical 3 wire door locking system there is either a constant ground or positive wire . Simulating the factory switch using two relays, once the switch is activated will provide contact to a door unlock or lock wire. There is no need to splice the vehicles factory wires.

 

3 Wire Negative Door Locks

One wire is grounded at all time. One wire is grounded only when switch moved to lock position. One wire is grounded only when switch is moved to the unlock position. The activation on the lock and unlock wires will pulse a ground to the factory lock and unlock wires.

3-wire-negative-door-locks

 

3 Wire Positive Door Locks

One wire has (+)12v at all times.One wire has (+)12 volts only when switched moved to lock position. One wire has (=)12 volts only when switched is moved to the unlock position. The activation on the lock and unlock wires will pulse a 12 volt to the factory lock and unlock wires.

3-wire-positive-door-locks

 

 

 

 

 

 

 

 


 

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