98 Envoy, after 20 minutes, alarm goes off
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=64707
Printed Date: May 12, 2025 at 6:01 AM
Topic: 98 Envoy, after 20 minutes, alarm goes off
Posted By: keylessguy
Subject: 98 Envoy, after 20 minutes, alarm goes off
Date Posted: October 20, 2005 at 1:41 AM
I have a 98 GMC Envoy, got a Viper 350HV installed and it has 2 leds. after the truck is armed, after about 20 minutes, the alarm goes off, then if it is disarmed and rearmed, it will keep going off about every 3 minutes. I am going back to the shop in the morning, but have already been there twice and they turned down the shock sensor, but that seems not to be the problem. does anyone know what is going on and what I can recommend to the installers? I have installed many things, my guess is that the leds are drawing too much current and after 20 minutes, it is trying to shut down the extra signal flow and trips the alarm,..but not sure, anyone have any ideas? Thanks, KeylessGuy ------------- https://keyless-security.com
Replies:
Posted By: mrcllusb
Date Posted: October 20, 2005 at 3:54 AM
If it has the current sensor feature,then you are right,that might set it off.
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"ole blake"
Posted By: keylessguy
Date Posted: October 20, 2005 at 4:15 AM
So what would be the solution to this problem?
Would an extra alarm battery work or is there another more viable solution?
Thanks,
KeylessGuy
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https://keyless-security.com
Posted By: bassop823
Date Posted: October 20, 2005 at 7:38 AM
I am not sure about your vehicle,but my wife had a 2004 impala doing about the same thing. The cause of it was the emergency brake. If you are setting your emergency brake try not setting it and see what happens. Like mrcllusb said it has a current sensor and it was picking up some change from the emergency brake.
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bassop
Posted By: extreme1
Date Posted: October 20, 2005 at 9:41 AM
hate to point out the obvious, what does the LED tell you? How many times is it blinking when you disarm it?
That will tell you what zone is setting the alarm off.
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Shaughn Murley
Install Manager, Dealer Services
Visions Electronics
Red Deer, Alberta
Posted By: keylessguy
Date Posted: October 20, 2005 at 11:06 AM
Thanks for all your response.
about the parking brake, never use parking brake on the truck.
about the led blinking, I did not notice how many times it is blinking after this happens, truck is in valet mode so my neighbors don't kill me.
so does anyone know the solution to the problem? lets say the light is blinking and it says it is from a current sensor, then what?
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https://keyless-security.com
Posted By: thepencil
Date Posted: October 20, 2005 at 11:59 AM
Also, take a look at the hood pin and door pins, if possible remove the shock sensor for the time being just to eliminate one possibility of a faulty sensor. ------------- Be careful whose advice you buy, but be patient with those who supply it. 
Posted By: keylessguy
Date Posted: October 20, 2005 at 10:14 PM
was in shop, they said the doors were falling asleep and they had to put a diode on it. seems to be working fine, the two blue LEDs on my pillars are the brightest thing on the whole block at night, hope it is not drawing 'extra' attention to my pimped out ride!
Thanks,
Eric  ------------- https://keyless-security.com
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