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Disable a non-factory installed alarm?


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gorgonzatron 
Member - Posts: 1
Member spacespace
Joined: July 05, 2005
Location: United States
Posted: July 05, 2005 at 10:59 AM / IP Logged  
My GF bought this 1999 nissan 200sx used about 4 years ago (with no manual or instructions)
 
The previous owner installed an UNKNOWN alarm/locking system (w/ remote) which has been nothing but a pain in the arse. Today, the car will not even start, and a AAA-sent mechanic advised (after poking around) that it was a problem due to the alarm. The lights turn on/etc., but the ingnition wont crank. Now the battery is dead, but that is small problem.
I have found the following 3 devices under the steering column:
- a "kill switch" or "bypass" toggle which never worked anyway, so i dont know if it's relative.
-an AUDIOVOX shock sensor, model number AS9492 (I found the owner manual here (.pdf): www.audiovox.com/manuals/installation/1285042_IM.pdf
-something that says 'nissan tridon" and some numbers: 23731, 1M200. this I can not find any info for.
IS THERE ANYTHING I CAN DO MYSELF, BEING RELATIVELY COMPETENT AND BROKE?? To:
A) get the car started
b) DISABLE this monster for good
THANK YOU VERY MUCH!!!!!
ccroadshop99031 
Copper - Posts: 102
Copper spacespace
Joined: January 26, 2004
Location: United States
Posted: July 05, 2005 at 11:15 AM / IP Logged  
look for the brain under the dash and pull ou the fuse   or look for a small guage wore running from the batt and pull that fuse
Powermyster 
Silver - Posts: 975
Silver spacespace
Joined: April 06, 2005
Location: Ireland
Posted: July 05, 2005 at 11:23 AM / IP Logged  
that won't do the immobiliser though.  find the brain is the first step
Rivulent 
Member - Posts: 4
Member spacespace
Joined: June 23, 2005
Posted: July 05, 2005 at 4:08 PM / IP Logged  
If the alarm has a starter kill, then simply pulling the fuse will cause the car to start up with no problem, since they (should) be actuated by a ground-when-armed wire.
joe_1 
Silver - Posts: 291
Silver spacespace
Joined: November 12, 2004
Location: United Kingdom
Posted: July 05, 2005 at 5:14 PM / IP Logged  
look at the moduel and see where the wirrs go to any of the igntion or starter wires when you find these it should be 2 wires coming from the alarm one end goes to the switch side and the other goes to wire side when you find these cut them and join them back up if there is a 2 point imob you will have to find both circuits
infoaudio01 
Member - Posts: 24
Member spacespace
Joined: August 23, 2004
Location: United States
Posted: July 06, 2005 at 12:20 AM / IP Logged  

Rivulent wrote:
If the alarm has a starter kill, then simply pulling the fuse will cause the car to start up with no problem, since they (should) be actuated by a ground-when-armed wire.

Assuming the starter kill relay was wired in a normally closed circuit.  After finding the main fuse on the brain, or disconnecting the main harness, and if your vehicle still wont start after a good jump on the dead battery, then it may be possible that it was wired in a normally open circuit.


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