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2003 grand caravan keyless entry

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=74538
Printed Date: July 12, 2025 at 10:42 AM


Topic: 2003 grand caravan keyless entry

Posted By: tucker1251
Subject: 2003 grand caravan keyless entry
Date Posted: March 15, 2006 at 6:56 PM

Just bought a keyless entry kit for my wifes van. Its a 2003 Dodge Grand Caravan Sport. I noticed there is only one wire operating the power locks (lock and unlock). How do I go about hooking the keyless entry for her van? Any help please.



Replies:

Posted By: xscash
Date Posted: March 15, 2006 at 7:12 PM

you could use  two 1 amp  diodes ,connect each diode to your keyless lock  wires with the silver stripe facing the keyless unit.  the add a 5000ohm resistor to the lock one and a 1700 to the unlock.  connect the other end of resistor together and attach to your door lock wire.     this should to it.....but depending on your unit a bit of fine tuning with a slightly higher or lower resistor may be required.  

XS




Posted By: tucker1251
Date Posted: March 15, 2006 at 7:37 PM
do you have some sort of wiring diagram for this method??



Posted By: customak47
Date Posted: March 15, 2006 at 9:27 PM
Goto the left bar on this site under BASICS and click RELAYS, then click Single wire systems, then 2000 - 05 Caravan and this will show you the diode method. I actually had a problem with using just diodes on two Caravans where the keyless worked for a day and quit. Thought the outputs would be burned out, but wired up relays and they worked great. The relay setup isn't under relays, so pm if you want instructions.

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