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Opional Factory Alarm help

Wolverine350R

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Wolverine350R Enthusiast

Wolverine350R

Posted
Posted

I bought a 99 GMC Sierra SLT back in december of last year. When I hit the lock button ( on the remote) twice it would set off an alarm that was not the horn-honk kind, but that was the only time i ever heard it. Then in March the whole system seemed to come on and the truck chirps when I lock and unlock the doors with the factory remote. It also arms when i perk the truck and leave it. :cheers: I was hoping someone on here might be able to tell me how to work it ( turn it completely off-on, change settings if possible). Thanks for any help you guys can provide.

 

I am pretty sure its a GM alarm, it has the GM symbol on it and works with the factory remote.

SS Crew Enthusiast

SS Crew

Posted
Posted

Did you try looking through the owners' manual? I don't know if the '99's had any way of changing the alarm settings.

Wolverine350R Enthusiast

Wolverine350R

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  • Author
Posted
Did you try looking through the owners' manual?  I don't know if the '99's had any way of changing the alarm settings.

 

 

 

 

 

Yeah I looked throught the one I have ( its for a 99 Silverado) but it didn't have anything in it, but it is missing a few pages.

 

There must at least be a way to turn it on and off becuse it didn't do anything for the first 3 or so months that I had the truck. Thanks.

Shaners Senior Enthusiast

Shaners

Posted
Posted

I haven't heard a factory alarm on the trucks that "chirps". They all use the horn to notify the driver if the alarm is set. Generally speaking, pressing the "lock" button on the keyfob twice will arm the system, and it will confirm with a quick "toot" of the horn and flashing the lights a couple of times.

  • 3 weeks later...
Raymond Lowe Enthusiast

Raymond Lowe

Posted
Posted

GM sold an add-on alarm that worked with the factory remote. The model # for the 96/97's was VSS-150 and yours might be the same. The only way to change options is too locate the box, remove the cover, and change the dip switches. It could be wired with just the underhood speaker or your horn (or both).

 

Arming it with the remote would flash the marker lights twice and disarming it would flash once. If it was in valet mode (indicator on dash flashing twice between separations), the marker lights would only flash once when locking with the remote.

  • 2 weeks later...
Wolverine350R Enthusiast

Wolverine350R

Posted
  • Author
Posted

This sounds more like it, i did find the box for it stuffed up under the dash. There is a button to the box but i can't figure out what it does. I have been completely dissarming the system by pulling a fuse that is in the wiring going into the box. There is a small cover that comes off the box but all that was under it was a small chip, but thanks for the help.

Guest chevydeerhunter

Guest chevydeerhunter

Posted
Posted
This sounds more like it, i did find the box for it stuffed up under the dash.  There is a button to the box but i can't figure out what it does.  I have been completely dissarming the system by pulling a fuse that is in the wiring going into the box.  There is a small cover that comes off the box but all that was under it was a small chip, but thanks for the help.

 

 

 

 

 

I'll bet that button is the valet button.

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