Can I disable the factory alarm? - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 General Tech Q&A > General

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  #1  
Old 04-20-2011, 12:57 PM
coddy coddy is offline
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Can I disable the factory alarm?

I have a 2003 Trailblazer. Iíve come to hate the factory alarm. Is it possible to disable it?
Yesterday, I locked the car using the passenger door. This morning I used the key to unlock the driverís door. That must mean Iím trying to steal it because the alarm started going off in my driveway. This is ridiculous. This happened at 5:00 in the morning and I imagine that it irritated my neighbors. Any advice would be appreciated. I guess that Iím old-school since I hate carrying around one of those fobs in my pocket. Thanks!
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  #2  
Old 04-20-2011, 07:31 PM
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willn513 willn513 is offline
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Yank the fuse
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  #3  
Old 04-20-2011, 09:00 PM
gregoryd12 gregoryd12 is offline
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Unlocking the door with the key should disarm the alarm. Sounds like your key switch isn't doing the job inside the door. Try turning it further and maybe a little slower when unlocking with the key.
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Old 11-03-2011, 02:37 PM
nwc548 nwc548 is offline
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I HATE the alarm too!

Quote:
Originally Posted by willn513 View Post
Yank the fuse
I thought of yanking the fuse in my '05 Trailblazer. I looked in the manual and could not find where the fuse for the alarm was. Can anyone point me in the right direction on this one?
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Old 11-03-2011, 03:36 PM
Wex Wex is offline
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I'm willing to bet a single fuse does not exist for the content theft deterrent system. Wouldnt it tie into a multitude of modules and switches.
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Old 11-03-2011, 03:50 PM
nwc548 nwc548 is offline
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Wex,
I'm sure you're right. I have gone through all of the fuses and couldn't find anything tied in just to the alarm. I was hoping that I was just blind or stupid and couldn't find it. If anyone has any insight as to how to disable the alarm...I would be eternally greatful. It is the most sensitive alarm I have ever experienced any semi-loud exhaust system that drives by sets it off. It drives ME nuts. So, I can only imagine what it does to my neighbors. Thanks!
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Old 11-03-2011, 04:00 PM
Wex Wex is offline
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Are you sure this is a factory alarm or aftermarket? I would not think that vibration would set off the content theft alarm as I thought it only involves door and liftgate switches. btw, If you manually lock the door via key, the factory system should not arm
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Old 11-03-2011, 04:02 PM
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Quote:
Originally Posted by nwc548 View Post
Wex,
I'm sure you're right. I have gone through all of the fuses and couldn't find anything tied in just to the alarm. I was hoping that I was just blind or stupid and couldn't find it. If anyone has any insight as to how to disable the alarm...I would be eternally greatful. It is the most sensitive alarm I have ever experienced any semi-loud exhaust system that drives by sets it off. It drives ME nuts. So, I can only imagine what it does to my neighbors. Thanks!
Quote:
Originally Posted by Wex View Post
Are you sure this is a factory alarm or aftermarket? I would not think that vibration would set off the content theft alarm as I thought it only involves door and liftgate switches. btw, If you manually lock the door, the factory system should not arm
That doesn't sound like a factory alarm at all.
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Old 11-03-2011, 04:13 PM
nwc548 nwc548 is offline
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I thought that is was factory. However, I did buy the car used. So, I'm not sure. How would I determne factory VS. aftermarket?
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Old 11-03-2011, 04:18 PM
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Quote:
Originally Posted by nwc548 View Post
I thought that is was factory. However, I did buy the car used. So, I'm not sure. How would I determne factory VS. aftermarket?
From what you said, extreme vibration is setting it off. The oem alarm didn't have a shock sensor. So if you can arm it, then rock the vehicle and set it off, I would say that it is NOT oem.

The factory alarm was triggered by the door switches I think. There was a way to test it in the manual I believe. It was to roll down the window, exit the vehicle, lock it with the remote. Then reach in and unlock the door and open it, the horn should begin sounding. That was about all the factory alarm would do.
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