Print Page | Close Window

double pulse unlock

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=97721
Printed Date: May 14, 2025 at 1:26 PM


Topic: double pulse unlock

Posted By: muaiad97
Subject: double pulse unlock
Date Posted: October 05, 2007 at 11:00 PM

hi all

i am working on dodge caravan 2000  with remot starter CT-3400 TW  the unlock need double pulse to unlock the doors  the lock working fine its programing issue that what the instalation manual says but i tried every thing  still not unlocking  its timing pule not set  any one worked in ths kind of remot starter  please .

thanx  




Replies:

Posted By: KarTuneMan
Date Posted: October 05, 2007 at 11:50 PM
LOCK WHITE/ lt.green or WHITE/ red In driver's kick or BCM   - 
 The Body Control Module (BCM) is located behind the fusebox under the driver's side of the dash, against the firewall. These wires are located in the plug on the left side. A negative pulse through a 1500 ohm resistor will lock the doors and a negative pulse through a 250 ohm resistor will unlock the doors. If the vehicle is equipped with a factory alarm, substitute a 4020 ohm resistor to arm/lock the doors and a 665 ohm resistor to disarm/unlock the doors. Relays should be used, see the DOORLOCK diagram.
 UNLOCK WHITE/ lt.green or WHITE/ red In driver's kick or BCM   - 
 The Body Control Module (BCM) is located behind the fusebox under the driver's side of the dash, against the firewall. These wires are located in the plug on the left side. A negative pulse through a 1500 ohm resistor will lock the doors and a negative pulse through a 250 ohm resistor will unlock the doors. If the vehicle is equipped with a factory alarm, substitute a 4020 ohm resistor to arm/lock the doors and a 665 ohm resistor to disarm/unlock the doors. Relays should be used, see the DOORLOCK diagram.


-------------



Posted By: muaiad97
Date Posted: October 06, 2007 at 9:30 AM

hi again

yes i did that  but what i am saying  it need  double puls to unlock  everything is conected and every thing works perfect exept the the unlock need to give more secand to activated its programing issue  becaus when i attach the unlock wire to ground it works  but with the remote  dosnt .




Posted By: KarTuneMan
Date Posted: October 06, 2007 at 9:39 AM
Yes .... the double pulse IS a programming issue. Somehwere in the programming menu should be instructions on how to set up double pulse. BUT.... it's poss. that your unit will not do "double pulse"

-------------



Posted By: moonliter
Date Posted: October 06, 2007 at 12:04 PM
muaiad97 wrote:

hi again

yes i did that  but what i am saying  it need  double puls to unlock  everything is conected and every thing works perfect exept the the unlock need to give more secand to activated its programing issue  becaus when i attach the unlock wire to ground it works  but with the remote  dosnt .

did you set your unlock opt on mode 1 function 4 on 'opt 3'  which is 1 lock pulse and 2 unlock pulses ?




Posted By: muaiad97
Date Posted: October 07, 2007 at 12:36 PM

hi

thankx  again for reply  yes i did go to menue and mode 1  and function 4 and push unlock  to increese the pulses time  still nothing the time for out put unlock its to short .




Posted By: moonliter
Date Posted: October 07, 2007 at 1:28 PM
did you use relay with resistor for your unlock or just the unlock wire with resistor from your rs ?


Print Page | Close Window