#64687 - 12/01/04 12:32 AM
Re: Power UnLock Switch Disable Relay
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SiToeKnee
Major Member
Registered: 11/13/03
Posts: 1447
Loc: Irvine, CA
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Thank you, I've been meaning to do this, but your diagram makes it 10x easier. It's been so hard just leaving it disconnected, and then when passengers want to get out, they pull at the door handle and stare blankly waiting for the door to unlock. Then I reach over and unlock the door for them. This will make my life so much easier. Thanks again.
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99 EBP Si I/H/E
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#64691 - 12/04/04 02:34 PM
Re: Power UnLock Switch Disable Relay
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RyCeRoCkEtZ
Post Master Sr
Registered: 10/26/03
Posts: 5553
Loc: NorCal, FrisCo, Bay Area!
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Quote:
Nice ..*thumbs up* 
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'00 EBP EM1 Si (K inspired) - Present, soon to be gone... '05 TYB YZF R6 - sold 09-19-2007, you will be missed.. '08 TYB YZF R6 - 02-12-08 fAsT cAr aRe fOr dRaG rAcInG fAsT dRiVeR aRe foR aUtOcRoSs 
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#64695 - 01/06/05 06:58 PM
Re: Power UnLock Switch Disable Relay
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Trixiem
Post Master Sr
Registered: 03/10/03
Posts: 3031
Loc: Las Vegas, Nv
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yeah me and tony have been toying with doing this for the longest time, now we can actually do it haha
-kenny
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#64696 - 02/09/05 10:24 PM
Re: Power UnLock Switch Disable Relay
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d21998
Newbie
Registered: 03/31/02
Posts: 43
Loc: North Carolina
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cool!!!!!!!!!!
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#64699 - 05/30/05 03:09 PM
Re: Power UnLock Switch Disable Relay
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mechanix
Newbie
Registered: 03/06/05
Posts: 20
Loc: Washington
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Having a hard time finding the Alarm wire that I need to tap into, I've tapped into two wires both not the correct ones. I have a Clifford Intelliguard 7000. Thanks.
Edited by mechanix (05/30/05 09:56 PM)
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#64700 - 08/04/05 07:23 PM
Re: Power UnLock Switch Disable Relay
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supertim
Newbie
Registered: 07/05/05
Posts: 3
Loc: Brooklyn, NY
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I just did this in my car but a little differently. I interrupted the unlock wire inside the door panel, at the switch, and used the ignition to control the unlock. Its a cleaner install and for the inexperienced there's no way of accidentally frying anything. There are only 3 wires at the switch, the center is (-) ground and either side is lock/unlock (I forget the exact order) so all you need to do is use a test light (connected to ground) in each side and find which is unlock. As for wiring the relay:
85: (+) from ignition controlled wire at window switch
86 + 30: switch side of unlock wire
87: relay side of unlock wire
Your keyless entry will still work and the switch will function normally when the ignition is on.
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#64701 - 04/12/06 07:40 PM
Re: Power UnLock Switch Disable Relay
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kornstar369
Poster
Registered: 08/20/02
Posts: 260
Loc: gt-eh
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w0w, nice post
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#1554912 - 06/18/07 12:36 PM
Re: Power UnLock Switch Disable Relay
[Re: kornstar369]
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PunxsutawneyPhil
Newbie
Registered: 06/18/07
Posts: 6
Loc: Californication
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Thanks for the info, good read!
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#1778970 - 08/22/07 05:19 PM
Re: Power UnLock Switch Disable Relay
[Re: PunxsutawneyPhil]
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RyanA
Newbie
Registered: 08/12/07
Posts: 7
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Also, if you are hooking the relay as shown in that diagram to a true "armed output", you'll have a dead battery at the end of the weekend. Another easy way to make the circuit would be to put terminal 85 to the siren output if it's positive (most are), and 86 to the armed output. This way, voltage is only applied when the output is active and the siren is. Make sure you put the unlock wire from the alarm to the module side of the relay so it will still unlock the doors if you disarm the alarm.
Ryan
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#1793429 - 08/27/07 04:47 AM
Re: Power UnLock Switch Disable Relay
[Re: RyanA]
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Neo Noodle
Sr Member
Registered: 06/17/02
Posts: 1115
Loc: Honolulu, HI
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Also, if you are hooking the relay as shown in that diagram to a true "armed output", you'll have a dead battery at the end of the weekend. Another easy way to make the circuit would be to put terminal 85 to the siren output if it's positive (most are), and 86 to the armed output. This way, voltage is only applied when the output is active and the siren is. Make sure you put the unlock wire from the alarm to the module side of the relay so it will still unlock the doors if you disarm the alarm.
Ryan
1 small computer relay will not kill your battery over a weekend.
The starter kill relay that ships with most all alarms uses more power and doesn't kill your battery.
Anyways hooking it up like that would be pointless.
The siren isn't active when they unlock your doors.
When they open the door that's when the alarm goes off & the siren becomes active.
_________________________
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#1795767 - 08/27/07 05:50 PM
Re: Power UnLock Switch Disable Relay
[Re: Neo Noodle]
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RyanA
Newbie
Registered: 08/12/07
Posts: 7
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Also, if you are hooking the relay as shown in that diagram to a true "armed output", you'll have a dead battery at the end of the weekend. Another easy way to make the circuit would be to put terminal 85 to the siren output if it's positive (most are), and 86 to the armed output. This way, voltage is only applied when the output is active and the siren is. Make sure you put the unlock wire from the alarm to the module side of the relay so it will still unlock the doors if you disarm the alarm.
Ryan 1 small computer relay will not kill your battery over a weekend. The starter kill relay that ships with most all alarms uses more power and doesn't kill your battery. Anyways hooking it up like that would be pointless. The siren isn't active when they unlock your doors. When they open the door that's when the alarm goes off & the siren becomes active.
Well, a starter kill relay does not energize until the key is turned. The power that runs the relay is the power from the switch that goes to the starter wire. When the alarm arms, the ground goes to one side of the relay coil. The other side goes to the switch side of the starter wire. That wire ONLY has power when you turn the key to the start position. That is why your battery does not go dead. And yes, a relay that is energized 24 hours a day from Friday to Monday morning will make your battery go dead.
How do I know this? I was a member of Code Alarm's R&D team in the early to mid 90's. I helped with design of some new circuitry in their alarms.
I guess the TRUE fail safe would be to put a switch that just interrupts your unlock part of the switch. Just use the alarm to do the unlock. Bottom line is this: If they want in the car, they'll get in there. A typical thief doesn't really care how they get in your car. Heck, why do you think the parking light output is fused now? On older alarms, you could simply break out a parking light, put a screwdriver in there to short it then set off the alarm. When the lights would go to flash, the main fuse would blow....
I guess one "failsafe" way would be to do it like this:
1. Buy a pulse timer and set it to 5 minutes or so. That way, you can operate the door unlock until about 5 minutes after you turn the car off. It shuts off after 5 minutes and there is no longer any current draw. The pulse timer would be set up to trigger when the key is turned off; that would keep the door unlock button working for that amount of time. On the internal relay, 87 would go to constant 12 volts, 30 would go to 85 on a relay. Also, 85 on the same relay would go to switched ignition. YOu would need to diode isolate these so the pulse timer would not backfeed the ignition source. 86 would go to ground on the external relay. 30 would go to switch side of unlock wire and 87 would go to the body harness side of the door unlock wire. Now, here's where you get to be a dick. Put 87a on the external relay to one of the grounding alarm trigger wires (hood switch, trunk switch, negative door trigger, etc). This way, when the little pricks try to unlock your doors, they are actually setting the alarm off. Nice and fun...
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#6017046 - 12/25/11 12:49 PM
Re: Power UnLock Switch Disable Relay
[Re: Neo Noodle]
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shayan3
Newbie
Registered: 12/24/11
Posts: 1
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Oh and it's a good idea to put the relay after(door side of) the connection to the green/orange wire for your alarms power unlock wire(which makes this connection car side). Depending on the alarm there might be a delay that will cause your doors not to unlock the first time you disarm it if the relay is connected car side of the alarms unlock wire.
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#7750611 - 06/26/14 11:40 AM
Re: Power UnLock Switch Disable Relay
[Re: shayan3]
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Paul808
Newbie
Registered: 06/26/14
Posts: 5
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I had attempted to do this to my car in the past and wish I had this post back then. Needless to say I botched it and had to shell out $$$ to have it repaired. Live and learn. Nice tip.
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Moderator: Dr. BrokenLimits, Professor Paki
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Anyways I mostly expalined by 12V / Neg because it works for a meter or a test light. [kill 2 birds w/ one stone 
]
