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2002 cavalier Z24 alarm install

Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=4761
Printed Date: July 21, 2025 at 5:26 AM


Topic: 2002 cavalier Z24 alarm install

Posted By: kevin1
Subject: 2002 cavalier Z24 alarm install
Date Posted: October 23, 2002 at 6:40 PM

i have an avital tornado2 alarm and want to put it in my cavalier. i need help with the wiring harness in the car. ( which colour is what?).

i would also like any key points regarding this install.

if posible , the wiring diagram for the alarm would be good considering i lost my book for it and my computer will not support the downloaded version.

thanx




Replies:

Posted By: Velocity Motors
Date Posted: October 24, 2002 at 9:46 AM

|              12V|red                 |+  |ignition harness            |
|          STARTER|yellow              |+  |ignition harness            |
|         IGNITION|pink                |+  |ignition harness            |
|        ACCESSORY|orange              |+  |ignition harness            |
| SECOND ACCESSORY|brown               |+  |ignition harness            |
|       POWER LOCK|lt. blue            |*2 |either kick panel           |
|     POWER UNLOCK|white               |*2 |either kick panel           |
|       LOCK MOTOR|gray                |   |drivers kick panel          |
|     UNLOCK MOTOR|tan                 |   |drivers kick panel          |
|    DISARM DEFEAT|tan                 |   |passengers kick panel       |
| PARKING LIGHTS +|brown               |   |harness to rear, dkp        |
|       HEADLIGHTS|dk. blue            |-  |headlight switch            |
|     DOOR TRIGGER|grn/blk & lt. blue  |-  |*3                          |
|  TRUNK/HATCH PIN|black               |-  |trunk light                 |
|TRNK/HTCH RELEASE|BLACK/ white         |+  |BCM *4                      |
|       TACHOMETER|PURPLE / white        |   |engine harness *1           |
|       BRAKE WIRE|white               |+  |stop light switch           |
|     HORN TRIGGER|black               |-  |steering column             |
|           WIPERS|                    |   |                            |
|  LF WINDOW UP/DN|dk. blue - brown    |A  |LF window motor in door     |
|  RF WINDOW UP/DN|lt. blue - tan      |A  |drivers kick panel          |
|  LR WINDOW UP/DN|dk. green - purple  |A  |drivers kick panel          |
|  RR WINDOW UP/DN|lt. green - purple  |A  |drivers kick panel          |

NOTE: This vehicle has the passlock II immobilizer system that *1 The engine harness is found next to the battery, below the radiator hose, just above the transaxle.   *2 Non keyless cars, locks are 5wi (type C) and they are mastered from the passenger side switch. Keyless cars, locks are positive trigger (type A). Also found at BCM.  *3 The GREEN/ black is located in the lower drivers kick panel. It catches the drivers door only. The light blue is located in the lower passenger kick panel, and catches the passenger door(s). Tap both wires and diode isolate each. Also found at BCM.  *4 The BCM is located to the left of the steering column above the kick panel.



-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: kevin1
Date Posted: November 04, 2002 at 8:26 PM

there r 2 wires that r light blue at the bcm. which 1 do i tap into?

is the ignition harness the heavier gauge wires to the left of the sterring coloum?

are all the pink wires in any of the wiring harnness found in the engine compartment the 12 volt ignition?

i need help!

thanx




Posted By: Velocity Motors
Date Posted: November 06, 2002 at 1:55 PM
Use a DMM to distinguish between the two wires. Most ignition wires aer heavier gauage, but again use a DMM to verify all connections before attempting to solder them.

-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: kevin1
Date Posted: November 06, 2002 at 3:02 PM

i'm having trouble with my parking lights!

i found the brown wire that shows 12 volts when the parking lights are turned on but the lights won't flash when i arm the system. what brown wire is the correct 1?

my alarm doesn't trigger when i open my drivers door!

i tap in the green wire with black stripe at the bcm and diode isolated it. why won't it work?

same with the passenger doors!

what should i do?




Posted By: Velocity Motors
Date Posted: November 06, 2002 at 3:32 PM
Check the parking light connection with a DMM and see if the wire has any current when you arm and disarm the system. Some systems have a (-) and a (+) so make sure that you have the right wire. If the alarm wire is in fact outputing a current then make sure that the connection is soldered. If there is no current on the wire then you have a defective unit.

-------------
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA



Posted By: micronot
Date Posted: January 02, 2003 at 8:10 PM

You need to isolate the drivers door from the passenger doors using a couple diodes. The wires can be found at the BCM (Body Control Module) located in the side pannel below the dash on the drivers side. The driver door is LTGRN/BLK and the other doors are LTBLU. The side of the diode with the line gets connected to each of these wires and the other side of the diodes get connected together and go to the alarm (-) door trigger.

I also think there may be a second ignition wire that you need to hook up, its a heavy white wire (or brn?) coming from the ignition and if you dont hook it up, the check engine light will be on when you do a remote start.


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