Stereo on until door opens question

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fastev

Copper - Posts: 69

Joined: November 07, 2003

Location: United States

Posted: November 14, 2003 at 11:32 PM / IP Logged

I am trying to set my stereo up to continue playing until I open my door using the diagram shown on this website. My problem is, what type of switch do I use to activate the system? I figured I would use a momentary switch that is held closed when the door is closed. Will this work if I attach one wire to the relay and the other to a chassis ground?

auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: November 15, 2003 at 10:03 AM / IP Logged

It works automatically, you don't need any type of switch. When you put the key in the relay turns on and that turns the radio on. The relay stays energized until you open the door. How well do you know relays? If you need I will describe this more in depth. Just in case here is the diagram.

Stereo on until door opens question -- posted image.

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defective

Silver - Posts: 642

Joined: August 20, 2003

Location: Canada

Posted: November 15, 2003 at 10:58 AM / IP Logged

just remeber, if you remote start then quit or timeout, the radio will still be on....grin

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Joined: March 07, 2002

Location: Louisiana, United States

Posted: November 15, 2003 at 12:04 PM / IP Logged

If you use it with a remote starter, add another relay triggered by the remote starter's sensor bypass output to interrupt ground going to the right relay shown above. This will prevent the latch (left relay) from engaging while the vehicle is running by remote start.

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fastev

Copper - Posts: 69

Joined: November 07, 2003

Location: United States

Posted: November 15, 2003 at 2:54 PM / IP Logged

Auex, thank you for the response. What is the door trigger lead in that diagram ? I thought there needed to be a switch there, I guess not though. Perhaps you could describe the system in a little more detail for me...? Thanks!!

--Evan

auex

Platinum - Posts: 5,041

Joined: December 23, 2002

Location: Arizona, United States

Posted: November 15, 2003 at 3:12 PM / IP Logged

The door trigger is the wire that tells the car that the door is open. What basically happens is once you put the key in the ignition, the relay's will energize sending power to the radio. This will stay energized until you take the key out and open the door. On the relay to the right, the power that is supplying the radio power is also supplying the trigger that keeps the radio on. the relay on the left will take away the ground to the trigger when the door is open, thus resetting the relays and turning off the radio.

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fastev

Copper - Posts: 69

Joined: November 07, 2003

Location: United States

Posted: November 15, 2003 at 9:56 PM / IP Logged

That makes more sense to me now. So can I use the wire that goes to the dome light? That would effectively act as the trigger, correct? If not, could you suggest one that would work? I can't find any contact, button, or switch on my truck that I would be able to use. (2002 Ford Ranger Edge, 4-door) Thanks again!

--Evan

fastev

Copper - Posts: 69

Joined: November 07, 2003

Location: United States

Posted: November 16, 2003 at 12:41 AM / IP Logged

I found a wire that is labeled as "Door Trigger". Is this the wire i should tap into? The polarity is negative if this matters...

--Evan

auex

Platinum - Posts: 5,041

Joined: December 23, 2002

Location: Arizona, United States

Posted: November 16, 2003 at 8:56 AM / IP Logged

Yeah, it needs to be (-) trigger to shut the relays off. What kind of car do you have, make, model, year?

Certified Security Specialist

Always check info with a digital multimeter.

I promise to be good.

Tell Darwin I sent you.

I've been sick lately, sorry I won't be on much.

fastev

Copper - Posts: 69

Joined: November 07, 2003

Location: United States

Posted: November 16, 2003 at 10:43 AM / IP Logged

The trigger wire is negative, right behind the stereo. I have a 2002 Ford Ranger. The wiring colors chart for my truck can be found here: http://www.generation-edge.com/forums/topic.asp?TOPIC_ID=4431 via generation-edge.com. It has a wire labeled Door Trigger, you can find it about half way down the list. Thank you again for all the help!

--Evan

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