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Viper 791xv on 99 navigator false alarms


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rytizzle 
Member - Posts: 3
Member spacespace
Joined: February 07, 2006
Location: United States
Posted: February 24, 2006 at 7:11 PM / IP Logged  
i have a Viper 791xv  alarm installed on my 99 lincoln navigator and my alarm goes off for no reason about less than an hour after arming it...any help??? what do i do? the sensor is turned all the way down. please help
Hornshockey 
Silver - Posts: 520
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Joined: January 31, 2005
Location: Texas, United States
Posted: February 24, 2006 at 7:18 PM / IP Logged  
what zone does it show triggered?
Life moves pretty fast; if you don't stop and look around once in a while; you could miss it.
rytizzle 
Member - Posts: 3
Member spacespace
Joined: February 07, 2006
Location: United States
Posted: February 24, 2006 at 7:19 PM / IP Logged  
its usually the the hood or trunk. a friend of mine said it had something to do with the gem (generic electronic module).
1994honda2005 
Member - Posts: 11
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Joined: December 06, 2005
Location: United States
Posted: February 24, 2006 at 8:37 PM / IP Logged  
the GEM module has to be bypassed on all 2001 and up ford vehicles.
check this link. set your alarm up this way and youll be set.
http://directechs.com/techtips/pdfs/resources/security/directed_techtips/1093.pdf
rytizzle 
Member - Posts: 3
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Joined: February 07, 2006
Location: United States
Posted: February 24, 2006 at 8:43 PM / IP Logged  
thanks
Hornshockey 
Silver - Posts: 520
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Joined: January 31, 2005
Location: Texas, United States
Posted: February 24, 2006 at 8:59 PM / IP Logged  
actually that setup won't do anything for the false alarms. The alarm gets set off because the GEM sends a data signal through the doorpins when it shuts down. It is the data signal that causes the alarm to false. You'll need a relay to isolate the wires in the car from the triggers on the alarm. Wire your relay up like this
85 - +12V
86 - door trigger from vehicle
87 - ground
30 - negative door trigger to alarm.
The coil on the relay will not energize when the GEM shuts down, only when a door is opened. This should fix the false alarms. You'll just have to do this procedure on each individual trigger: doors and hatch, also the hoodpin if it is a factory hood pin.
Life moves pretty fast; if you don't stop and look around once in a while; you could miss it.
genehewett 
Copper - Posts: 151
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Joined: December 12, 2003
Location: Georgia, United States

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