Relays to activate door solenoids

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Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=64950
Printed Date: May 15, 2024 at 2:31 AM

Topic: Relays to activate door solenoids

Posted By: lanman31337
Subject: Relays to activate door solenoids
Date Posted: October 24, 2005 at 6:08 PM

I'm trying to install an alarm in my 97 Sunfire to alarm it, and also activate the door solenoids to pop my doors open. I originally had my relays hooked up like so:

86 and 30 to constant +
85 with diode to negative output on my alarm, before the diode to hidden button.
87 to solenoid

I'm having problems with that wiring, I blow fuses like crazy, and it seems like the relay wants to stick on that setting. That is the wiring diagram I got with my poppers.

Wiring with the alarm tells me something different:

87 and 85 to constant +
30 with diode to negative output on my alarm, before the diode to hidden button

86 to the alarm trigger (unlock or aux channel)
87a to ground

Are either of these correct?

Replies:

Posted By: KarTuneMan
Date Posted: October 24, 2005 at 9:17 PM

87 and 85 to constant +
30 with diode to negative output on my alarm, before the diode to hidden button

86 to the alarm trigger (unlock or aux channel)
87a to ground

like this one!

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Posted By: Vestax
Date Posted: October 25, 2005 at 2:46 AM

Just curious, how many solenoids and door poppers are you using?

I would do

86 & 87 constant

30 to solenoid.

87a to ground

Now for 85, this would be connected to (-) ouput from the alarm, since these are just door poppers, all you have to use is a channel that outputs a negative output, no need to use the unlock or lock outputs.

With a switch, you can have a push button switch that when pushed, it'll send ground to 85. If you plan to put 2 wires on 85, the diode the one coming from the alarm.

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Posted By: lanman31337
Date Posted: October 25, 2005 at 9:10 AM

I'm using a grand total of three. One each for my doors, and one for the trunk. With the alarm, aux 1 and 2 outputs as well as the unlock is negative output. I was setting it up like this: When I hit the arm button/lock button, it arms. When I hit the disarm/unlock button, it opens the driver's door and disarms. Aux1 is the trunk, aux2 is the passenger's door.

Posted By: lanman31337
Date Posted: November 01, 2005 at 7:35 PM

86 and 30 to constant +
85 with diode to negative output on my alarm, before the diode to hidden button.
87 to solenoid

That's the way that works great.