relay for auto open?
Printed From: the12volt.com
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=129911
Printed Date: May 14, 2025 at 11:07 PM
Topic: relay for auto open?
Posted By: riveradel
Subject: relay for auto open?
Date Posted: December 28, 2011 at 5:07 PM
has anybody ever done the relay for auto-open,follow the diagram but it does not work.
Replies:
Posted By: howie ll
Date Posted: December 28, 2011 at 5:26 PM
What do you mean, auto unlock perhaps?
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: howie ll
Date Posted: December 28, 2011 at 5:31 PM
Do you mean auto unlock perhaps and please read again the last few words "depending on vehicle application".
Please elaborate and explain why it doesn't work.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: riveradel
Date Posted: December 28, 2011 at 5:35 PM
Yes that is what i meant.the schematic i was referring to is the one on this site.did auto lock by using the ignition wire to the starter it works fine but could'n figure out how to do auto-unlock.
Posted By: howie ll
Date Posted: December 28, 2011 at 5:38 PM
What vehicle? Make, model, year?
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: riveradel
Date Posted: December 28, 2011 at 5:42 PM
connected the relay as per the diagram with the capacitor and resistor but when i connect the power it doesn't activate the relay,unless i connect the wire on pin 86 to ground and not the ignition 12v wire.
Posted By: riveradel
Date Posted: December 28, 2011 at 5:44 PM
2002 s 10 with aftermarket door locks.
Posted By: howie ll
Date Posted: December 28, 2011 at 5:54 PM
Then the terminal at 86 is still seeing pos, you have to make sure it's seeing a neg, check the diode and capacitor (condensor) polarity.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: riveradel
Date Posted: December 28, 2011 at 5:57 PM
will do that and post later.
thank's for your help.
Posted By: howie ll
Date Posted: December 28, 2011 at 6:11 PM
Purple ignition wire goes to ground, when ignition is switched off.
The first diode, make sure the band is towards the ignition conditions it to a definite negative.
This is constant so the cap and resistor bleed it off to 0.8 seconds.
The caps + mark should go to the green relay side.
No more comments for 8 hours please, it's 00:11 am here.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: riveradel
Date Posted: December 29, 2011 at 8:54 PM
check it today and found that i have the capacitor with the polarity reversed.now it works,thank you for your time and input.
riveradel.
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