Trunk Release wiring
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=56159
Printed Date: May 09, 2024 at 5:54 PM
Topic: Trunk Release wiring
Posted By: celizondo
Subject: Trunk Release wiring
Date Posted: May 21, 2005 at 11:58 AM
I installed power trunk already and want to connect it to my alarm. The alarm is a Concordia A-88 alarm with a positive output for the trunk release. Am I going to need a relay to wire it together. I do not think there is enough power to pop the trunk with the alarm itself. I have a couple of diagrams that picked up off a search on here, but don't know which ones to try out. 85,87-12volts 86-alarm 30-solenoid or 85-12volts 86-alarm 87-ground 30-trunk wire Any help is greatly appreciated.
Replies:
Posted By: Pearl96Max
Date Posted: May 21, 2005 at 10:44 PM
if your alarm has a 12V output, but not enough power then you need to 'step it up' using:
87 12V
86 Ground
85 input from alarms trunk release
30 output to your trunk release solenoid
Posted By: celizondo
Date Posted: May 22, 2005 at 3:03 PM
thanks you 2.  i'll give it a try as soon as the sun goes down a little. the 100+ weather sucks down here.
Posted By: celizondo
Date Posted: May 23, 2005 at 9:44 PM
for whatever reason, i couldn't get this thing to work. here's the diagram...i may be reading it wrong, but i can't get the trunk to work. 
on the blue/black wire, it says +12V output.
Posted By: celizondo
Date Posted: May 24, 2005 at 11:15 AM
i installed an electric trunk popper. the solenoid is grounded in the trunk area and i ran the positive wiring to the inside. i was connecting 87 to the + of the solenoid. i tried wiring it both ways and got no result. right now i'm going to check to see if there is any power at all coming out of the trunk wire from the alarm. when i press the trunk button on the remote, the little light doesn't turn on. do you think i may have to reset this thing somehow?
Posted By: Powermyster
Date Posted: May 24, 2005 at 11:19 AM
you will have to tell how you wired the solenoid. the lads gave you the right instructions. have you got a positive or negative switch on the solenoid..
also have to seen the solenoid working. you could try swapping the + and - on the solenoid.
what we need to know is..
E.g. i mounted the solenoid and earthed it in the boot on a solid ground (test the ground). then i ran the positive down from the cab.( do you have it on a switch too. if so what did you power the switch off.
Give us a breakdown of what you done so far it'll take you a few mins to write and once we have all the info them we can help you instead of us just stabbing at possible solutions...
Posted By: celizondo
Date Posted: May 24, 2005 at 11:19 AM
not sure if it makes a difference, but the trunk popper has it's own switch in the inside. i have the alarm spliced in before it gets to the switch, on the + side of the solenoid. should it go on the solenoid wire or the + of the switch that runs to the battery?
Posted By: Powermyster
Date Posted: May 24, 2005 at 11:21 AM
on the wire coming from the switch to the solenoid tap into it but use the relay like above to amplify the =+ ouput from the alarm
Posted By: Powermyster
Date Posted: May 24, 2005 at 11:21 AM
on the wire coming from the switch to the solenoid tap into it but use the relay like above to amplify the =+ ouput from the alarm
Posted By: Powermyster
Date Posted: May 24, 2005 at 11:25 AM
good thinking bobK i never thought of the alarm myself he should test the output..
Posted By: celizondo
Date Posted: May 24, 2005 at 11:32 AM
I kept on tapping in between the solenoid and the switch. the trunk popper works properly with the switch. i haven't had any problems before. i just can't get it to work with the remote when i connect it to the alarm. i tried wiring the relay both ways listed above. 85-ground 86-alarm 87-trunk 30-12v 85-alarm 86-ground 87-12v 30-trunk
Posted By: Powermyster
Date Posted: May 24, 2005 at 11:41 AM
the relay should work both them ways although i'd go with the top one
30 as +12V
87 to the trunk
only thing to do now is to test the output. test it with a Multimeter for + and for - you never know it could be minus or as bobk said you might need to program the output
Posted By: celizondo
Date Posted: May 24, 2005 at 11:53 AM
i have it connected at the moment as 30-12v 85-ground 86- alarm 87-solenoid there is a constant +12v on 30.
Posted By: celizondo
Date Posted: May 24, 2005 at 11:56 AM
i had not wired the trunk output wire before hand. how do i check to see if the output from the alarm is + or -? i couldn't get any voltage out of that thing. even when i pressed the button on the alarm. is there a chance the output might be -?
Posted By: celizondo
Date Posted: May 24, 2005 at 12:20 PM
there's no reading coming out of the trunk output.
Posted By: celizondo
Date Posted: May 24, 2005 at 2:05 PM
what do you mean by reverse the leads?
Posted By: celizondo
Date Posted: May 24, 2005 at 2:22 PM
ok thanks...i'm not a man though..female here. i'll give that a try. i just didn't understand what you were talking about.
Posted By: celizondo
Date Posted: May 24, 2005 at 3:03 PM
well...i still can't figure this thing out. i tried a few other ways that i read up in other forums and still nothing. i don't understand why the little light on my remote will not at least turn on. oh well...back to square one.
Posted By: celizondo
Date Posted: May 24, 2005 at 3:14 PM
the led lights on when i arm/disarm the car, but nothing turns on when i press the trunk button.
Posted By: celizondo
Date Posted: May 24, 2005 at 3:37 PM
thanks for the help....for whatever reason the thing works now. i just wired up as followed and everything works fine. 30-solenoid 85-ground 86-alarm 87-fused 12v i have no idea why this damn thing was acting up on me. oh well, i'm glad i got this thing out of the way.
Posted By: Powermyster
Date Posted: May 25, 2005 at 3:46 AM
good man keep up the good work
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