Central locking relay wiring
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=141307
Printed Date: April 29, 2024 at 1:59 PM
Topic: Central locking relay wiring
Posted By: georgehockin
Subject: Central locking relay wiring
Date Posted: May 20, 2016 at 3:24 PM
I need to add a relay to my central locking and I'm after a diagram
Locking -
Pin 1 - positive
Pin 2 - neg
Unlocking -
Pin 1 - neg
Pin 2 - positive
Any help would be much appreciated !
Replies:
Posted By: the12volt
Date Posted: May 20, 2016 at 4:41 PM
I could assume each lead is resting at ground, though it's possible they both rest open, or even at positive, and it's never safe to assume, so what year, make, and model vehicle do you have? -------------  the12volt • Support the12volt.com
Posted By: georgehockin
Date Posted: May 20, 2016 at 4:43 PM
2006 Audi A3 taking the feed from the filler door lock will check what they rest at
Posted By: howie ll
Date Posted: May 20, 2016 at 5:20 PM
Should rest at open circuit, ground to lock/unlock, lock pin 2, unlock pin 1. Use a 1N4004 diode in line, band towards your unit.
Alternative, this maybe a 1 wire multiplex operation, not sure myself because I always used a DB-all 2 if you're going your route use a DEI 451 comes with resistors and should plug into your alarm assuming you're using a DEI product.
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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: May 20, 2016 at 5:25 PM
Forget the filler cap BTW lock control on that vehicle, UK spec is at the near (left) hand hatch area just inside the rear light fitting, much easier to use3 a DB-ALL2, it will save you hours of wiring and probing on that vehicle.
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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: May 20, 2016 at 5:29 PM
DB-ALL 2 functions:-
After Market Alarm Control using OE Remote
•Brake Status (Foot Brake)
•Door Entry Monitoring
•Door Entry Monitoring
•Door Lock / Unlock Control
•Door Lock / Unlock Control
•Factory Security Control
•Factory Security Control
•Hood / Trunk Pin Entry Monitoring
•Hood / Trunk Pin Entry Monitoring
•Power Window / Seat / Sunroof Control
•Power Window / Seat / Sunroof Control
•Tach / RPM Output
•Tach / RPM Output
•Trunk / Hatch Release
•Trunk / Hatch Release
Detailed Function List
W2W
AV-Turn Signal ON/OFF Control
CC-Comfort Closure windows
DL-Arm Factory Security
DL-Disarm Factory Security
DL-Door Lock Control
DL-Door Unlock
DL-Trunk / Hatch Release
RS-Tach / RPM Output
SS-Entry Monitoring ALL Door Pins
SS-Entry Monitoring Trunk/Hatch Pin
D2D
AV-Turn Signal ON/OFF Control
CC-Comfort Closure windows
DL-Arm Factory Security
DL-Disarm Factory Security
DL-Door Lock Control
DL-Door Unlock
DL-Trunk / Hatch Release
FOB-Control of aftermarket alarm with OEM remote
RS-Tach / RPM Output
SS-Entry Monitoring ALL Door Pins
SS-Entry Monitoring Driver Door Pin
SS-Entry Monitoring Hood Pin
SS-Entry Monitoring Trunk/Hatch Pin
ST-Brake Status (foot brake)
ST-Ignition Status
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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: georgehockin
Date Posted: May 21, 2016 at 5:30 PM
The loom has been retro fitted to another vehicle so I have to use these and both wires rest at a very weak earth
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