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Using relays to turn radio on remotely


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sykoaudio 
Member - Posts: 11
Member spacespace
Joined: January 04, 2005
Location: United States
Posted: January 24, 2005 at 1:01 AM / IP Logged  
I was wondering if anybody knows how to use relays to turn on the radio via a remote. If someone could give me a diagram, I would greatly appreciate it.      Thanks, Chris
Mwsounds 
Copper - Posts: 61
Copper spacespace
Joined: January 04, 2005
Location: Alaska, United States
Posted: January 24, 2005 at 11:51 AM / IP Logged  

Basically, all you have to do is use a channel on your alarm. Connect it to a relay that will pass 12volts to you radio when activated. I had a 6 channel expander for my alarm. I used it co control neons, strobes, and my fog lights. Was pretty cool. This site has diagrams for the relays.

85 goes to ground

86 goes to alarm channel (+) to activate relay.

30 connects to B+ (12 volts)

87 connects to the radios igintion wire to turn it on.  (This terminal is for normally open)  This terminal connects to 30 when activated.

87a won't be used (this terminal is for normally closed)

Hope this helps.

Thanks,
Mike Ward
Get it done right the first time!
Xplorer 
Copper - Posts: 69
Copper spacespace
Joined: June 01, 2004
Location: United States
Posted: February 01, 2005 at 10:16 PM / IP Logged  
Would u just splice the 87 wire to the ignition wire then? would the radio turn on by pushing the power button on the radio still?...i was looking to do the same thing.
Peace
Xplorer 
Copper - Posts: 69
Copper spacespace
Joined: June 01, 2004
Location: United States
Posted: February 01, 2005 at 10:25 PM / IP Logged  
What exact type of relay should be used in this situation?
Peace

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