It is best if you can find a hole that pre-exists or you can drill one by yourself. If you are using the firewall to put the wiring through, make sure you insulate the wire. This would save the wire from any friction caused by the firewall. Find where the alarm computer would connect according to the manual that may present a step by step car alarm installation. Read Maintenance Tips to manage every issue of your car effectively. If there are any additional sensors, you can install them too.
Drill the hole when needed. Some alarms such as advanced ones also come with LED lights that work to indicate you about the intrusion. If you have got one such alarm, you may need to drill an additional hole in the dashboard to put the wiring for the LED indicator. Take the LED indicator wire through the hole and make the indicator on place. You can use a double-sided mounting tape. To make the LED working, you need to locate the wires that connect to the light button on the door.
Whenever the door would be interrupted, this would turn the LED lights on. Connecting the sensor to these wires is also necessary to make it work whenever the door opens. You should always keep the wiring at one place, secure and bundled together so it comes easy to manage. Make sure you install the valet switch as well. At last, you can check for any loose wires and bundle them as one.
Connect the power line to the battery, so the alarm system powers up as you switch on the car. You could pass the wire through this plug with a dab of silicone to keep any moisture out.
If there is no available passage hole, you will need to drill a small hole. Drill the hole in an inconspicuous spot on the firewall, minding anything attached to the other side of where you are drilling. Pass the wire through this hole using a rubber garment boot or sealing it with silicone. Next you will want to fasten the siren to the vehicle. Locate a spot on the fire wall or equivalent where there is space enough to fit it in.
You will want to use self tapers and securely fasten the siren to the vehicle. Be sure the siren opening is facing down to prevent water from gathering and to echo the sound off the floor.
Now connect your alarm wires as described above. Your installation should now be complete. Put the panels back on the vehicle and open your manual. There should be a section for testing your installation. Go through this process thoroughly. You will want to address any issues, if any immediately. If you are having problems, refer to our trouble shooting an install. If not, congratulations! It is your responsibility to verify any circuit before interfacing with it by using a digital multimeter.
GNU Industries, Inc. Proper installation in every case is and remains the responsibility of the installer. GNU assumes no responsibility resulting from an improper installation, even in reliance upon this information.
All Rights Reserved. Service: Need Installation? Are You An Installer? Diagrams Tech Support Home. How To: Installing a Car Alarm. Information and How to Articles. Gathered below are articles either written by the Commando Staff or borrowed from sources we have located. This information is in place to help you gauge rather or not you should attempt an install and to help give you insight into availiable items for your vehicle.
Installing a Car Alarm So you have taken the step to protect your vehicle. Gathering Information and Reference Material Information is the backbone of your soon to be successful installation.
Planning the Car Alarm Install Your plan will be the difference between a finished product and a job left for next summer. Prepping the Alarm Unit Once you identify which items you will install along with the alarm, eliminate the unused wires to prevent clutter. Checking the Vehicle You will need to inspect your vehicle to be sure of a few things previous to beginning the installation process. Execution Removing the Panels We will begin by saying tools!
It is important that you insulate this wire with a rubber boot or fill the hole with silicon. This keeps the wire from being damaged by friction with the firewall and shorting out. You should also aim to put the wire somewhere that it will not be kicked or tugged by yourself or your passengers for the same reasons. Mount the siren. You can choose a place on the firewall or somewhere else in the engine bay that has enough room. It is important to mount the siren face down to prevent water from accumulating in the voice coil.
Part 3. Run the valet switch. This will be a wire off of the car alarm module. This switch will allow you to disable the alarm features while it is engaged. This will make it easier when someone else has your car, like when you leave it with mechanic. Run the LED light. The car alarm LED light indicates when the alarm is armed. This light is usually mounted on the dash by drilling a small hole in the dash and running the wire to the car alarm module.
The light is then mounted on the dash with superglue to keep it in place. There is no need to take the dash off for this step as long as you can find a safe place to make your hole. Run the external antenna. If you have an external antenna, it extends the range of your wireless remote or keypad by receiving the signal from outside the car and transmitting it to the car alarm module.
Most external antennas are glass mount antennas. This means that you will mount a receiver on the outside of your glass and a repeater on the inside of the same glass.
The signal will be transmitted through the glass with no need to drill holes and the repeater wires directly to the antenna wire of your alarm module. Connect the siren. The siren should have two wires, one negative and one positive. Most car alarms output a positive siren, so connect the alarm unit to the positive wire of the siren and connect the other siren wire to a ground.
Connect the alarm sensors. The sensors are responsible for signalling that something is amiss and the siren should sound. You will connect the sensor wires from the car alarm to the wires that signal your door ajar or dome lights.
It is recommended that you crimp these connections and do not simply twist them or use a wire nut. Hook up the power wire. You should hook the power wire of your alarm module to the batter or other constant power source. This will ensure the alarm is powered even when the car is turned off.
Your alarm is now powered up and active. Replace the panels on your vehicle. Be sure to replace them in the correct order so that all of the panels fit together properly. It is a good idea to consult your service manual for this step as well. Unhook wires going to the battery. If that's not an option go to the control box, usually under the dash, and cut the red and black wires going in.
Not Helpful 3 Helpful 7. Will it be possible for a new key to be programmed for a car alarm without necessarily going through the installation process from the beginning? It depends on the car.
You can take your car to the dealer and they can reprogram the key for you. It will cost a bit of money, but it would be the best thing to do if you want it done correctly.
Not Helpful 0 Helpful 1.
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