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3 Wire Positive Switched 2 Step Door Locks
The green wire provides a positive pulse during arming, or the pulsed + 12 volt lock output. Connect the
green wire to the wire that provides a low current positive signal from the factory door lock switch to the
factory door lock control relay.
The red wire provides a positive pulse during disarming, or the drivers door pulsed positive unlock
output. Connect this wire to the drivers door unlock relay that requires a low current positive signal to
unlock only the drivers door. If the vehicle does not have a separate drivers door relay, one will have to be
added. Locate the drivers door unlock motor wire and cut it at a convenient location to allow wiring of an
optional relay. Connect the door side of the cut wire to terminal 30 of the optional relay added. Connect
the vehicle side of the cut wire to terminal 87a of the optional relay added. Connect the red wire of the 3
pin harness to terminal 86 of the optional relay added. Connect terminal 85 of the optional relay added to
chassis ground. Most vehicles door lock/unlock motor legs rest at ground, and switch +12 volts to the
door lock/unlock motor legs for operation, if this is the case in the vehicle you are working on, connect the
remaining terminal, 87, to a fused + 12 volt source. In the rare instance that the vehicle door lock/unlock
motor legs rest at + 12 volts and switches ground to the door lock/unlock motors, connect he remaining
terminal, 87, to chassis ground.
The Red/Black wire provides a pulse ground output when the unlock button of the transmitter is pressed
a second time after disarming. Because the vehicle you are working on requires a positive pulse from the
factory door lock switch to the factory door lock control relay, you will have to add a relay to invert the
output polarity of this wire. Connect the Red/Black wire to terminal 86 of the optional added relay.
Connect terminal 85 & 87 to a fuse + 12 volt source. Connect terminal 30 to the low current door unlock
wire from the factory door switch to the door unlock control relay.
Resistive Circuits, As Well As 4 Wire Polarity Reversal and 5 Wire Alternating 12 Volt
Door Lock Control Circuits
These applications require the use of additional components which may include relays, fixed resistors, or
for convenience, the AS 9159 Door Lock Interface. Refer to the AUDIOVOX Door Lock Wiring Supplement
and or the Audiovox fax back service for information on your particular vehicle for properly connecting to
these types of circuits.
COMPLETING THE INSTALLATION
Antenna Wire: Be sure to extend the thin black antenna wire to it’s full length, and cable tie into place
where it cannot be damaged. Avoid wrapping this wire around major, high current wire looms.
Adjusting the OPTIONAL Shock Sensor: Using a small screwdriver, gently turn the adjustment screw
fully counterclockwise. (DO NOT over turn this screw. Maximum rotation for this adjustment is 270°).
Close the hood and trunk lids, and arm the alarm. Wait 6 seconds for the accessories trigger zone to
stabilize, then firmly strike the rear bumper with the side of a closed fist considering the amount of force
required to break a window.
CAUTION: Never perform this test on the vehicle’s glass, as you may break the window.
Turn the adjustment screw clockwise (increasing sensitivity) about ¼ turn and re-test. Repeat this procedure
until the alarm sounds. Ultimately, one very firm strike to the rear bumper will cause the alarm to sound.
WARNING! Setting the sensitivity too high can cause false alarms due to noise vibrations from passing
trucks and heavy equipment. To decrease sensitivity, turn the adjustment screw counter
clockwise.
Wire Dressing: Always wrap the alarm wires in convoluted tubing, or with a spiral wrap of electrical tape.
Secure these looms along the routing using cable ties. This will ensure that the alarm wires are not
damaged by falling onto hot or sharp moving surfaces in the vehicle.
Operation: Take a few moments to check off the appropriate option boxes in the owner’s manual, and to
fully explain the operation of the system to your customer.
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