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switch with alarm accessory output


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killerbean24 
Member - Posts: 8
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Joined: July 21, 2004
Location: Washington, United States
Posted: September 27, 2010 at 5:40 PM / IP Logged  
How do I wire a switch inside the cab to control the same output as one of my alarm accessory output wires?
Example: My HID off-road lights are hooked to an accessory wire from my alarm, which allows the HID's to be turned off and on via the alarm remote. How do I also wire them up so also be controlled via a switch inside the cab?
howie ll 
Pot Metal - Posts: 16,466
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Joined: January 09, 2007
Location: United Kingdom
Posted: September 28, 2010 at 1:10 AM / IP Logged  
2 terminal switch, one side to ground other side to aux, BUT, at the aux, before you join wire off 2 diodes, 1N4004 in a Y shape, one to the HID relay, the other to your switch, bands towards the alarm/RS.
This will prevent a feedback possibly damaging your alarm.
killerbean24 
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Joined: July 21, 2004
Location: Washington, United States
Posted: September 28, 2010 at 11:26 AM / IP Logged  
So Like this?? Pin 30 doesn't look right to me.
switch with alarm accessory output -- posted image.
dualsport 
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Joined: September 27, 2005
Location: United States
Posted: October 03, 2010 at 9:17 PM / IP Logged  
You show pin 30 permanently connected to ground, so your switches won't do anything. Just remove that connection to ground and it should be okay.
killerbean24 
Member - Posts: 8
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Joined: July 21, 2004
Location: Washington, United States
Posted: October 04, 2010 at 12:58 PM / IP Logged  
Pin 30 has to be either ground or power, right?
My diagram is based off this diagram on the relay's page...
switch with alarm accessory output -- posted image.
2006 Dodge Ram 2500 * Superchips 3805 Tuner * Clarion NX500 * Kicker ZR600 * Kicker Solo-Baric 12 in custom center console
2003 BMW Z3 * Stock.. for now!!
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: October 04, 2010 at 1:35 PM / IP Logged  
2A2_switch.jpg
This is all you need, if you use a latching circuit, how will you turn it off?
Alternatively leave the alarm's output as momentary, keep the momentary switch and feed a 528t or something similar, you7 can then set the time from 1 sec to 5 minutes.
killerbean24 
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Joined: July 21, 2004
Location: Washington, United States
Posted: October 04, 2010 at 2:03 PM / IP Logged  
This doesn't work for my application, because once you send the negative pulse, the relay will only activate for a short period of time. I need the pulse to activate a latched circuit until another negative pulse is sent. My diagram is correct, except I can't figure out if pin 30 on the third relay is negative or positive. It appears to me that 30 needs to be a negative input to energize that relay. I guess I will just wire it up and test it real time.
2006 Dodge Ram 2500 * Superchips 3805 Tuner * Clarion NX500 * Kicker ZR600 * Kicker Solo-Baric 12 in custom center console
2003 BMW Z3 * Stock.. for now!!
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: October 04, 2010 at 2:16 PM / IP Logged  
Forget all those relays and you can set the timing, use a 528t with a momentary switch. The 528t is wired as a normal relay, your latching circuit wont turn off.
30 SHOULD be the pos output from the relay to the lights. Basic amateur problem, you're over complicating things and getting in over your head.
killerbean24 
Member - Posts: 8
Member spacespace
Joined: July 21, 2004
Location: Washington, United States
Posted: October 04, 2010 at 2:45 PM / IP Logged  
Nevermind... Rookie mistake! I just wasn't attention to notice that 30 IS the negative trigger, and the others are just ground all the time. Woops. Here is the circuit...
switch with alarm accessory output -- posted image.
P.S. I am sure the 528t would do something similar, but for me, relays are much easier and cheaper to work with. $1.29/relay vs. $20 for the 528t.
2006 Dodge Ram 2500 * Superchips 3805 Tuner * Clarion NX500 * Kicker ZR600 * Kicker Solo-Baric 12 in custom center console
2003 BMW Z3 * Stock.. for now!!
howie ll 
Pot Metal - Posts: 16,466
Pot Metal spacespace
Joined: January 09, 2007
Location: United Kingdom
Posted: October 04, 2010 at 4:18 PM / IP Logged  
OK. That's a good price on those relays, I thought they were cheaper here, I pay equivalent to $1.20
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