mustang door locks
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=116488
Printed Date: July 13, 2025 at 11:21 PM
Topic: mustang door locks
Posted By: godshandkiller
Subject: mustang door locks
Date Posted: September 22, 2009 at 3:21 PM
i have a 2000 mustang gt ,i checked the door locks and i think i have the 3 wire positive,do i need relays or can i go straight from alarm to car.
Replies:
Posted By: howie ll
Date Posted: September 22, 2009 at 5:17 PM
Depends on your alarm or R/S tell us what it is and we might be able to help. The lock and unlock triggers are positive. There's no such thing as a "3 wire" system.
Posted By: godshandkiller
Date Posted: September 22, 2009 at 7:40 PM
| 3 Wire Positive | There are three wires in the harness not counting the illumination wire(s), if any. One wire has constant (+) 12 V DC at all times. Another wire only shows (+) 12 V DC during lock and ground at rest. The last wire only shows (+) 12 V DC during unlock and ground at rest. ( diagram )
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this was on www.the12volt.com and matches what is at my drivers door lock switch
Posted By: godshandkiller
Date Posted: September 22, 2009 at 7:45 PM
i have the python 1601
Posted By: i am an idiot
Date Posted: September 22, 2009 at 9:13 PM
If the alarm has built in door lock relays, then yes it may be possible without the relays in the diagram. I have no info on that particular alarm. Do you have a link to the manual for the alarm?
Posted By: godshandkiller
Date Posted: September 22, 2009 at 9:34 PM
i cant find a link to install guide but mine just says 200 ma output
Posted By: t&t tech
Date Posted: September 22, 2009 at 9:35 PM
That would have flip flop outputs! You can try it straight from the alarm! it won't hurt anything! if it doesn't work then relays would be in order! Have you ensured they are indeed positive trigger wires and not actuator motor wires? ------------- COMMIT YOUR WAY TO JEHOVAH AND HE WILL ACT IN YOUR BEHALF.
PSALMS 37:5
Posted By: godshandkiller
Date Posted: September 22, 2009 at 9:47 PM
going off the info on this site it says | Door Lock | Light Green (+) | Keyless Module above Driver's Kick | | Door Unlock | Purple (+) | Keyless Module above Driver's Kick |
Posted By: i am an idiot
Date Posted: September 22, 2009 at 9:49 PM
If it says 200 ma on the spec for that wire. YOU MUST use a relay.
Posted By: godshandkiller
Date Posted: September 22, 2009 at 10:06 PM
i was wrong it does not say 200ma,it says in the manual that three wire + pulse does not need relays.and the wires from alarm ,blue is -unlock +lock green is -lock +unlock.
Posted By: howie ll
Date Posted: September 23, 2009 at 1:22 AM
You theoretically could use blue for your lock wire and green for the unlock, but I would use a DEI 450 module it plugs into your Python instead of your lock wires and would eliminate any problems, needing diodes etc. Take it's purple power wire to the constant 12volts you measured.
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