04 Intrepid, locks don’t work
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=69736
Printed Date: July 22, 2025 at 2:26 PM
Topic: 04 Intrepid, locks don’t work
Posted By: 02ramsc
Subject: 04 Intrepid, locks don’t work
Date Posted: January 01, 2006 at 12:54 PM
I just installed an Autopage RS-855LCD 2 way remote start alarm on my 04 Intrepid. All went according to plan, but the doors do not lock/unlock when arming/disarming. I used the 457CW interface and believe that I have it wired correctly. The trunk does open by remote, and it is wired through the interface module. Where should I start looking? I bought the interface from Circuit City (i know but it was last minute and they had it in stock), but when I open the box at home, it had clearly been installed before. I will take it back if there could be a problem with it. Great forum guys, thanks for the help I looked for before I started the install. Any help is appreciated.
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Replies:
Posted By: mo12v
Date Posted: January 01, 2006 at 8:06 PM
I would have taken it back if it looked used anyhow.........
Did you follow the proceedure for Programming?
Connect Lock Harness FIRST, then the Main Harness.........Turn Key ON....Wait for Horn or Buzzer to sound 3 times.....Turn Key Off
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MO
Don't Learn from Others Mistakes
You Might Be the One That Knows.
Posted By: gus1
Date Posted: January 01, 2006 at 10:29 PM
You are using the analog output wires... right? You know, the ones they say are only for the Liberty?
Missprint in the manual..... you need to use either the pink or the pink/black on your doorlock wire in addition to the data wire at the OBD plug.
Gus
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Wherever I go, that is where I end up......
Posted By: 02ramsc
Date Posted: January 01, 2006 at 11:00 PM
I did not use the lock harness. I thought I was doing it correctly by following the directions, guess not though. Currently I have the alarm lock output (green) connected to the module main harness green and alarm unlock output (blue) connected to the module main harness blue. Do I just need to hook the lock harness pink wire to something? It says the vehicles lock/unlock wire. Would that be the WHITE/ drk green wire on the BCM? Thanks.
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Posted By: 02ramsc
Date Posted: January 01, 2006 at 11:03 PM
Also is there a way to use the double unlock feature with this module. The alarm has a seperate output for it. Could I connect that to the unlock input on the module?
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Posted By: gus1
Date Posted: January 01, 2006 at 11:04 PM
It would be.
The purple wire pulls the info it needs off the databus, then outputs an analog control voltage on either the pink or the pink/black of the little 3 wire harness it comes with. You need to connect these according to your car (light GREEN/ orange for factory alarm, or WHITE/ green for non factory alarm)
HTH
Gus
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Wherever I go, that is where I end up......
Posted By: Scott35
Date Posted: January 02, 2006 at 8:00 AM
I think I have read before, the Chrysler interfaces are one time use only.
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Tacomacrew
Posted By: Mike M2
Date Posted: January 02, 2006 at 9:18 AM
I thought that too. Don't they keep the resistance in memory once used for the first time?
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Mike M2
Tech Manager
CS Dealer Services
Posted By: gus1
Date Posted: January 02, 2006 at 10:03 AM
The key ones... yes. Sentry key is a learn once kinda deal.
The doorlock module forgets everything it knows when power is removed. Try it. Unplug it for a min or so, then plug it back in and flip the key on. Notice that it honks 3 times again.
Gus
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Wherever I go, that is where I end up......
Posted By: 02ramsc
Date Posted: January 02, 2006 at 2:25 PM
Ok I connected the lock harness pink wire to the cars lock/unlock wire on the BCM (WHITE/ drk green). The locks will lock with the alarm arming, but they will not unlock. When I disarm the alarm, it sounds like the lock motor is activating twice but the locks don't unlock. Maybe it is relocking 2 more times?
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Posted By: gus1
Date Posted: January 02, 2006 at 4:11 PM
Perhaps the car has a factory alarm, and you need to use the pink/black on the light geen/orange?
Instead
Gus
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Wherever I go, that is where I end up......
Posted By: 02ramsc
Date Posted: January 02, 2006 at 6:20 PM
No factory alarm, just keyless entry. ------------- '04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Posted By: gus1
Date Posted: January 02, 2006 at 7:25 PM
Interesting. Try the pink black on the WHITE/ green. There are a few WHITE/ greens.... try to see if you have the right one by using a multimeter. You will get one voltage for lock, and a different one for unlock.
I seem to remember a lighter green stripe.
Gus
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Wherever I go, that is where I end up......
Posted By: 02ramsc
Date Posted: January 02, 2006 at 7:47 PM
Well the time ran out for tonight. I did try the pink/black module wire instead and same result. The wiring diagram I have calls for wht/drk green. That is the one that I used, but there was another wht/light green wire. I will test that one tomorrow.
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Posted By: 02ramsc
Date Posted: January 06, 2006 at 2:10 PM
Ok, finally made it back to Circuit City. They looked the vehicle up in their magic computer and it says must use relays. Now here is what I have......I have the 451m relay pack and the proper resistors (620 and 2700). How do I hook it all up. I know the 3 pin plug will plug into the alarm (autopage 855rs), but what do I do with the resistors and 5 wires from the relay pack? Thanks in advance guys.
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
Posted By: gus1
Date Posted: January 06, 2006 at 2:30 PM
So, you don't need the 457C any more.
On the piece of paper that comes with the 451M, there will be a chart. Your car fits into the bottom of the chart.... 2.7K, and 620ohm. Polarity positive.
The purple gets 12V, the 2.7K ohm goes on the GREEN/ black, the 620ohm goes on the blue/black. These then get tied together, post resistor, and connected to the WHITE/ light green at the door harness. The same wire you were using with the 457C. You will not require the white or the brown wires of the 451M.
Gus
PS: Are you sure you are on the right wire?? There are a few WHITE/ green there... but only one will show about 6.5V on unlock, and 4V or so on lock (or vice versa, I can't remember the evact voltages right now)
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Wherever I go, that is where I end up......
Posted By: 02ramsc
Date Posted: January 06, 2006 at 3:15 PM
Case closed. Thanks for you help Gus. Door locks are now working properly.
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'04 Dodge Intrepid SXT
'02 Dodge Ram supercharged
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