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Sigma SG2 wiring


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Damieno 
Member - Posts: 4
Member spacespace
Joined: February 23, 2003
Location: United Kingdom
Posted: February 24, 2003 at 10:14 AM / IP Logged  

I have a 1995 Honda Accord in which the previous owner fitted and SG2.

I have had it back to 'alarm experts' twice, at £35 +VAT each time to have it repaired as the alarm keeps going off.

I have given up on getting it fixed and would like to know how to disconnect the inputs to the brain from the various sensors. I want to be left with remote central locking and flashing indicators during lock / un-lock.

Can anyone help and let me know what wires to the brain are from the sensors.

Thanks

Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: February 24, 2003 at 4:35 PM / IP Logged  
What you can do is disconnect the siren wire and you will still have full control of the alarm, but just no siren. It's no different than disconnecting all the alarm inputs, but you only have 1 wire to worry about instead of a possible 5 wires.
Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Damieno 
Member - Posts: 4
Member spacespace
Joined: February 23, 2003
Location: United Kingdom
Posted: February 26, 2003 at 4:51 AM / IP Logged  

Thanks Jeff.

Two questions - 1. If I disconnect the siren wire, and the alarm is still being triggered, will this current draw (flashing lights etc) not wear my battery down ?

2.- I have been thinking about it, and would like to try to isolate the fault myself. I was thinking of isolating each sensor individually for a period of time to see if the triggering stops. Can you advise as to what colour / pin number the wires for the respective sensors go to? As far as I am aware, I have ultrasonics, ignition and door sensors. Definetly no bonnet/boot(trunk) sensors.

Thanks for your help.

Velocity Motors 
Moderator - Posts: 12,488
Moderator spaceThis member has made a donation to the12volt.com. Click here for more info.spaceThis member has been recognized as an authority in Electrical Theory. Click here for more info.spaceThis member has been recognized as an authority in Fabrication. Click here for more info.spaceThis member has been recognized as an authority in Mobile Audio and Video. Click here for more info.spaceThis member has been recognized as an authority in Mobile Security and Convenience. Click here for more info.spacespace
Joined: March 08, 2002
Location: Manitoba, Canada
Posted: February 26, 2003 at 5:29 AM / IP Logged  

THis will not wear down the battery unless you get false alarms all night long . How often does this false happen. If you drive the car on a nornal basis the draw on the system will not affect the vehicle, of course unless this happends 50 times or more a night or during the day.

Who makes the SG2 system.... I  will try to find a wiring diagram of this system, but the best thing to do is unplug the shock sensor first ( unless it's built in ) and then trace your wires back to the door pin switch and the hood and the trunk if it was all installed.

Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Damieno 
Member - Posts: 4
Member spacespace
Joined: February 23, 2003
Location: United Kingdom
Posted: February 26, 2003 at 5:38 AM / IP Logged  

Hi Jeff

Isn't it a bit early for you guys in Canada to bit up and about ?

The unit is made by Sigma.

The false alaram occurs every 10 to 15 minutes.

How would I find the shock sensor? Would you expect it to be built into the brain ? I have found the brain behind the dash with all its associated wiring and connectors.

cva2000uk 
Copper - Posts: 60
Copper spacespace
Joined: June 09, 2002
Location: United Kingdom
Posted: February 26, 2003 at 5:52 AM / IP Logged  
you need to disconect the ultrasonics if it has them.
should be a pair of plugs that are red and white.(left & right)
the alarm is made by secure micro systems.
now owned by toad.
they used to have problems with the ultrasonics and remotes . they were a good alarm . ive got one on my 328
bmw used them and changed the stickers on the remote etc.
i didnt like the early ones that much because you couldnt change the batteries in the remotes!
you had to toss it and buy a new one each time.
cva2000uk 
Copper - Posts: 60
Copper spacespace
Joined: June 09, 2002
Location: United Kingdom
Posted: February 26, 2003 at 6:10 AM / IP Logged  
just got the diagram faxed through from toad .
what would you like to know?
i was right about the ultrasonics
one is red and the other white.
there are actually three little plugs going into the sg2
brain.
the third plug is for the led.
white is one of the audio wires
and brown is the other.
they go to the speaker (siren)
GREEN/ black is your neg out wire when in armed state.
hope this helps you out.
Damieno 
Member - Posts: 4
Member spacespace
Joined: February 23, 2003
Location: United Kingdom
Posted: February 26, 2003 at 6:30 AM / IP Logged  

Cva2000uk

Thanks for your help. Any chance you could fax or mail the diagram to me? (Just curious. I'm a bit of an electronics techno phobe).

email address is damien_mccormack@btclick.com. I'll pass you my fax number.

I have to say, the alarm has been great, but I suspect it wasn't designed with an 8 year life. £35 for a new remote is a bit steep, but its a small price to pay for a good alarm.


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