What is a negative door trigger?

Negative and Positive triggers are the two main types of door locking systems. On a negative trigger system your sender wire is “-“. When you give a “-” to the trigger wires they will activate your doors (unlock or lock). On a positive trigger system your sender wire is “+”.

What is a validity output?

➤ A validity output will send a signal as long as the transmission is received. ➤ A latched output will send a signal continuously when the channel three button(s) is pressed and. released. The signal will continue until channel three is pressed again.

What is door trigger input?

Door Trigger (-) Input. Connect to the wire(s) that only shows (-) ground when any door is open. If you’re installing an alarm in a vehicle that does not have a common door trigger wire, you will need to connect two or more together using blocking diodes. (

How do I turn down the sensitivity on my Viper alarm?

Look for a small knob or inset screw along one side of the unit. This will be the adjustment dial. Using your finger (if possible) or a small flathead screwdriver, turn the dial clockwise to turn the sensitivity up, and counterclockwise to lower the sensitivity.

How is the output of a car alarm connected?

Many of today’s alarms have a port to plug the LED directly into them. If yours does not, there will be a dedicated wire that has a positive or negative output. If the output is positive, connect it to the positive wire of the LED and connect the negative wire of the LED to ground.

Why do I need a negative alarm output?

If the horn does not sound when the key is in the off position, you will need to add at least one relay. These negative outputs will be connected to the coil of a relay or another module to control any number of functions of the vehicle or other components; trunk release, garage door opener, remote start, windows up and/or down, etc.

What do I need to connect my car alarm to?

Connect to the wire (s) that only shows (+) positive 12V DC when any door is open. If you’re installing an alarm in a vehicle that does not have a common door trigger wire, you will need to connect two or more together using blocking diodes. (diagram) Connect to a wire or switch that provides ground (-) when hood/trunk is opened.

How do you connect a 12V DC to a car alarm wire?

If yours does not, there will be a dedicated wire that has a positive or negative output. If the output is positive, connect it to the positive wire of the LED and connect the negative wire of the LED to ground. If the output is negative, connect it to the negative wire of the LED and connect the positive wire of the LED to (+) 12V DC.

What kind of output does a car alarm have?

These outputs may also be a pulsed or latched type. Some alarm and keyless entry systems may have one or the other or both. Check your installation manual first. If the alarm you are installing has this output connect it to the negative wire of the siren. Connect the positive wire of the siren to (+) 12V DC.

How do you hook up a car alarm?

Cut and connect the key side of the starter wire in the ignition harness to one wire (usually specified) and the motor side of the starter wire to the other wire. First determine the switch type then wire accordingly.

How do you connect a car alarm to a DC siren?

Check your installation manual first. If the alarm you are installing has this output connect it to the negative wire of the siren. Connect the positive wire of the siren to (+) 12V DC. See your installation manual for more info. If the alarm you are installing has this output connect it to the positive wire of the siren.