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Where to get power from?


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p0rt21 
Member - Posts: 14
Member spacespace
Joined: May 25, 2004
Location: New Zealand
Posted: October 01, 2004 at 7:36 PM / IP Logged  
Hey
I just brought a new alarm to replace my old one. My old alarm has a wire leading to the ignition for positive.
Just wondering where the best place to get power from is?
Cheers
auex 
Platinum - Posts: 5,041
Platinum spaceThis member has made a donation to the12volt.com. Click here for more info.spacespace
Joined: December 23, 2002
Location: Arizona, United States
Posted: October 01, 2004 at 8:59 PM / IP Logged  
At the ignition harness or battery.
Certified Security Specialist
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vancouverbc 
Copper - Posts: 72
Copper spacespace
Joined: September 27, 2004
Location: Canada
Posted: October 01, 2004 at 9:02 PM / IP Logged  

I know you don't tap into your fuse box. That is the first place thief will look.

At present i am just using the constant 12v+ that goes to ignition switch. I have heard that is ok. I think I might try finding something under the hood and bring it inside the car. It is pretty hard working under the dash.

1991 240sx
alarm=model 2620.web central door locking system
p0rt21 
Member - Posts: 14
Member spacespace
Joined: May 25, 2004
Location: New Zealand
Posted: October 02, 2004 at 2:35 AM / IP Logged  
Just that if they tried hotwiring it they only need to pull it out.Where to get power from? -- posted image.
vancouverbc 
Copper - Posts: 72
Copper spacespace
Joined: September 27, 2004
Location: Canada
Posted: October 02, 2004 at 3:54 AM / IP Logged  

won't they go for the wires at the ignition switch on the steering column. find the wire under the dash and put it high up under dash so they can't reach. my killer relays are going to be triggered by turning on radio. if they rip out alarm and rip power from killer relays , car won't start because killer relay is set up so that it needs power to connect the interrupted starter wires. i remove the face plate of radio when i leave car so no chance of them activating killer relay.

i'm not using the killer relay that came with my alarm because if power is disrupted or alarm module is destroyed the relay closes and allows starter to work.

i left remnants of the old alarm and killer relay to confuse them. i have these stupid wires tapping into the fuse box for old alarm. i just left it.

hood lock is just as important plus a lock for the clutch pedal. the club is next to useless.

1991 240sx
alarm=model 2620.web central door locking system
p0rt21 
Member - Posts: 14
Member spacespace
Joined: May 25, 2004
Location: New Zealand
Posted: October 02, 2004 at 4:07 AM / IP Logged  
What about having the car immobilize itself on arm with a latch. Then use the 2nd output/aux to delatch the relay?
Hey, thats a cool idea Where to get power from? -- posted image.
vancouverbc 
Copper - Posts: 72
Copper spacespace
Joined: September 27, 2004
Location: Canada
Posted: October 02, 2004 at 5:37 AM / IP Logged  

yep, i might do it that way. have to think about it.  i was thinking it might be better to have the killer relay completely independent of alarm module so not to have all my eggs in one basket. they could trace wires from alarm module to relay.

1991 240sx
alarm=model 2620.web central door locking system
p0rt21 
Member - Posts: 14
Member spacespace
Joined: May 25, 2004
Location: New Zealand
Posted: October 02, 2004 at 5:42 PM / IP Logged  
Any one else have any input? :)
vancouverbc 
Copper - Posts: 72
Copper spacespace
Joined: September 27, 2004
Location: Canada
Posted: October 04, 2004 at 3:25 AM / IP Logged  

"What about having the car immobilize itself on arm with a latch. Then use the 2nd output/aux to delatch the relay?"

Ok, i don't really know what you mean. I don't know what second output/aux is.  I tried various combo's of relays but it can't get the effect i want.

1991 240sx
alarm=model 2620.web central door locking system
p0rt21 
Member - Posts: 14
Member spacespace
Joined: May 25, 2004
Location: New Zealand
Posted: October 04, 2004 at 4:56 AM / IP Logged  
Im not sure how you would do it but some alarms have an output for when the car is alarmed.
So when the car is alarmed it latches a relay (with a diode im guessing) then when you want to start the car you unarm it then use the aux/remotestart/trunk output to unlatch the relay. Not sure if it has been done before.
Anyone got any input on the idea? :)
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