Directed Electronics Concept 550 Guía de instalación descargar pdf (Pagina 18)

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type G: positive (+) multiplex

The door lock switch or door key cylinder may contain either one or two resistors. When

interfacing with this type of door lock system, two relays or a 451M must be used.

Single-Resistor Type

If one resistor is used in the door lock switch/key cylinder, the wire will pulse (+)12

volt in one direction and less than (+)12 volt when operated in the opposite direction.

Two-Resistor Type

If two resistors are used in the factory door lock switch/key cylinder, the switch/key

cylinder will read less than (+)12 volt in both directions.

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Directed Electronics Concept 550 Guía de instalación Pagina 18