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dvrmstrng
09-28-2008, 11:33 PM
2005 Pontiac GTO
has a stock alarm

alarm consists of lights flashing and the horn going off, but i would love to integrate a siren in there if i could. I was wondering if it was possible to also have the siren / sirens chirp when i locked the car, just like how the horn honks once when i lock it via the key fob.

Thanks for any input you guys have..

dvrmstrng
09-28-2008, 11:49 PM
up...cant find anything via google

azbass
09-29-2008, 12:08 AM
find the factory alarm brain, and using a dmm, find the wire that sends the pulse to the horn, tap in to that using a relay to trigger the siren

**** I was I had access to direct wire still.

dvrmstrng
09-29-2008, 12:09 AM
sounds easy enough...any recommendations on some cheap sirens that will get plenty loud?

dvrmstrng
09-29-2008, 12:10 AM
and im guessing each siren needs power and ground as well...

dvrmstrng
09-29-2008, 12:17 AM
also what do you guys thinks...one of these
http://www.jcwhitney.com/GARAGE-PRO-PARALYZING-140dB-SIRENS/GP_2001355_N_111+10201+600015124_10101.jcw

or a bunch of mini piezos all over the place

azbass
09-29-2008, 12:19 AM
if it has PARALYZING in the name, im sure it will do just fine, yes it will need power and ground, and a relay setup

IDSkoT
09-29-2008, 12:22 AM
x2 what AZ is saying.

Tap into the horn wire.
I know people who have 5-6 Piezo's in their cab, 2-4 in their trunk, and 2 or 3 in their hood facing down.

All I know is my friend's BMW which I believe has 2 Piezo's makes my jaw drop and my ears grind when it goes off-- I can't go within 10 feet with out covering my ears.

dvrmstrng
09-29-2008, 12:55 AM
x2 what AZ is saying.

Tap into the horn wire.
I know people who have 5-6 Piezo's in their cab, 2-4 in their trunk, and 2 or 3 in their hood facing down.

All I know is my friend's BMW which I believe has 2 Piezo's makes my jaw drop and my ears grind when it goes off-- I can't go within 10 feet with out covering my ears.



well AZ suggested the single setup...are your suggesting the Piezo's?

how hard is it to find the right wire and what kind of relay should i be looking for

dvrmstrng
09-29-2008, 01:10 AM
after looking i can get 10 mini piezo's for the cost of that one siren

dvrmstrng
09-29-2008, 10:33 AM
bumpity

dvrmstrng
09-29-2008, 08:53 PM
bumpski

azbass
09-29-2008, 09:20 PM
dude you only really need one.

dvrmstrng
09-29-2008, 09:54 PM
yeah im asking nukka...one mini piezo or one of those other ones...under the hood or in the car

THUNDERBIRD
09-29-2008, 11:59 PM
go to the local audio shop and buy a dei siren those piezos **** for exterior use and they are annoying. if your going for a upgraded sounds get a dei siren or get a dei alarm much better and can get a paging system

mendon99
09-30-2008, 09:04 AM
you could put a peizo inside the cabin, and a siren outside the car, but FYI if you tap the horn wire, every time you press the horn the peizo/siren will go off. So if you honk at someone a peizo in the car would pretty much ****.

12 Volts red/white or red (7.5A) + ignition harness
Second 12 Volts
Starter purple + ignition harness
Second Starter N/A
Ignition orange + ignition harness
Second Ignition N/A
Third Ignition N/A
Accessory brown/white (x2, common) + ignition harness
Second Accessory N/A
Third Accessory N/A
Keysense
Data Bus purple/red resistor ignition harness or BCM, 12 pin plug, pin 7
The BCM (Body Control Module) is behind the glove box, below the blower motor. See Tech Doc 1608 for interface information.

Can Bus High
Can Bus Low
Can Bus Sw
Power Lock brown/white - BCM, 26 pin plug, pin 17
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Power Unlock lt. green/yellow - BCM, 26 pin plug, pin 16
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Lock Motor black/yellow 5wi BCM, 26 pin plug, pin 10
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Driver Unlock Motor blue/black 5wi BCM, 26 pin plug, pin 8
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Passenger Unlock Motor black/red 5wi BCM, 26 pin plug, pin 1
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Parking Lights (-) blue - headlight switch
Parking Lights (+) brown + fuse block or passenger kick
Hazards brown - switch or BCM, 16 pin plug, pin 16
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Turn Signal (Left) lt. blue + switch or BCM, 22 pin plug, pin 4
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Turn Signal (Right) blue + switch or BCM, 22 pin plug, pin 3
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Headlight white/black - headlight switch
AutoLights
Reverse Light lt. green + passenger kick, harness to rear
Left Front Door Trigger gray/white (L), white (R) - BCM, 26 pin plug, pins 19 and 4
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Right Front Door Trigger
Left Rear Door Trigger
Right Rear Door Trigger
Dome Supervision use door trigger wire
Trunk/Hatch Pin yellow/green - BCM, 26 pin plug, pin 6
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Rear Glass Pin
Hood Pin red/white - BCM, 12 pin plug, pin 11
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Trunk/Hatch Release black/red - switch or BCM, 16 pin plug, pin 8
The BCM (Body Control Module) is behind the glove box, below the blower motor. Fuel door release is purple/white at the switch on the dash. It is a high current negative trigger, so MUST use a relay.

Trunk Release Motor
Fuel Door Release
Power Sliding Door (Left) N/A
Power Sliding Door (Right)
Factory Alarm Arm factory remote only
Factory Alarm Disarm factory remote only
Disarm No Unlock with key code and ignition
Trunk Alarm Shunt
Tachometer brown/red or brown ac ECM, blue plug, pin 48
The ECM (Engine Control Module) is on the driver side fender, under the coolant reservoir. The tach wire is also in the driver kick, in a plug above the PIM (Powertrain Interface Module), in pin 25.

Wait to Start N/A
Neutral Safety
Clutch Pedal
Fuel Pump
Rear Defroster
Mirror Defroster
Left Front Heated Seat
Right Front Heated Seat
Speed Sense purple/white ECM, blue plug, pin 21
The ECM (Engine Control Module) is on the driver side fender, under the coolant reservoir. The VSS wire is also in the driver kick, in a plug above the PIM (Powertrain Interface Module), in pin 3.

Brake Wire blue/red + brake pedal switch
Parking Brake brown/orange - parking brake switch
Horn Trigger black/yellow - switch or BCM, 22 pin plug, pin 17
The BCM (Body Control Module) is behind the glove box, below the blower motor.

Wipers gray/red (L), lt. blue/red (H) + windshield wiper switch
Left Front Window (Up/Down) green - yellow A driver kick, door harness
Right Front Window (Up/Down) blue/white - green/orange A passenger kick, door harness

good luck.

dvrmstrng
09-30-2008, 01:00 PM
alright so theres the wire....im trying to find a nice loud siren now...found a super loud DEI one but they are discontinued.

maxxguy1
09-30-2008, 03:45 PM
dei has a factory alarm upgade you could use

THUNDERBIRD
09-30-2008, 11:53 PM
dei has a factory alarm upgade you could use

o yes i forgot about those. they are coming out or have out a new data upgraded alarm, same with a data controlled cruise control.

JKBengali
05-10-2009, 09:00 PM
I was wanting to do this too. My factory alarm has its own horn that is not used when I press the horn button on the steering wheel. Im wanting to wire my siren up to it in a way that will make the siren go off continuously while the alarm is going off, instead of intermittently like the horn honk. Using a regular relay wont change this. I was thinking maybe a delay relay? any Ideas? Im just going to keep asking this question until someone answers lol