Directed Electronics 381 Series Przewodnik Instalacji Pobierz pdf (Strona 10)

TESTING REVERSING POLARITY SYSTEMS

Use these instructions if the power door lock switch has four or five heavy-gauge wires. This type of switch has

two outputs that rest at (-) ground.

IMPORTANT! To interface with these systems, you must cut two switch leads. The relays must duplicate

the factory door lock switches’ operation. The master switch will have one or two ground inputs, one

(+)12V input, and two switch outputs going directly to the slave switch and through to the motors. These

outputs rest at (-) ground.The lock or unlock wire is switched to (+)12V, while the other wire is still ground-

ed, thus completing the circuit and powering the motor. This will disconnect the switch from the motor

before supplying the motor with (+)12V, avoiding sending (+)12V directly to (-)ground.

It is critical to identify the proper wires and locate the master switch to interface properly. Locate wires that show

voltage when the switch is moved to the lock or unlock position. Cut one of the suspect wires and check oper-

ation of the locks from both switches. If one switch loses all operation in both directions then you have cut one

of the proper wires and the switch that is entirely dead is the master switch. If both switches still operate in any

way and one or more door motors have stopped responding entirely, you have cut a motor lead. Reconnect it

and continue to test for another wire. Once both wires have been located and the master switch identified, cut

both wires and interface as shown below.

WARNING! IF THESE ARE NOT CONNECTED PROPERLY, YOU WILL SEND (+)12 VOLTS

DIRECTLY TO (-) GROUND, POSSIBLY DAMAGING THE ALARM OR THE FACTORY SWITCH.

H2/C WHITE/BLACK:

Once both door lock wires are located and cut, connect the white/black wire to the mas-

ter switch side of the lock wire. The master switch side will show (+)12V when the master switch is operated to

the lock position and (-) ground when the master switch is in the middle position.

H2/D GREEN/BLACK:

Connect the green/black wire to the other side of the lock wire. This is the motor side

of the lock wire and it goes to the lock motor through the slave switch.

H2/E VIOLET/BLACK:

This wire must be connected to a constant (+)12 volts. The best connection point for

this wire is the constant (+) 12 volt supply for the door lock switch*, or directly to the (+) battery post with a fuse

at the battery post.

*Except in GM cars with retained accessory power (RAP). In these vehicles, the (+)12V feed to the door

lock switches is turned off if the doors are closed for any length of time.

NOTE: Most direct-wired power lock systems require 20-30 amps of current to operate. Connecting the

violet/ black wire to a poor source of voltage will keep the door locks from operating properly.

H2/F BROWN/BLACK:

Connect the brown/black wire to the master switch side of the unlock wire. The master

switch side will show (+)12V when the master switch is in the unlock position and (-) ground when the master

switch is in the middle position.

H2/G BLUE/BLACK:

Connect the blue/black to the other side of the unlock wire.

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Directed Electronics 381 Series Przewodnik Instalacji Strona 10