keyless entry for 2002 Dodge Ram

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Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=8586
Printed Date: May 12, 2025 at 10:42 AM

Topic: keyless entry for 2002 Dodge Ram

Posted By: dwh137
Subject: keyless entry for 2002 Dodge Ram
Date Posted: January 25, 2003 at 7:46 PM

I am trying to install a alarm system on a 2002 Dodge Ram. I would like to know what type of door lock system it has, and how to connect it so I can lock / unlock doors via remote control.

Replies:

Posted By: Velocity Motors
Date Posted: January 25, 2003 at 7:50 PM

Single wire system.

Lock requires a negative trigger thru a 820 ohm resistor. MUST use relay
Unlock requires a negative trigger thru a 330 ohm resistor. MUST use relay

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

Posted By: dwh137
Date Posted: January 26, 2003 at 10:10 AM

Thanks Jeff.
Do you happen to have a diagram on how to wire that up. I am not sure how the wires from the security system will be used to lock and unlock.

Posted By: Velocity Motors
Date Posted: January 26, 2003 at 10:20 AM

https://www.velocitymotorsport.com/images/install_notes/N2N.jpg

Go to the above link and use the diagram there to wire up the resistors on pin 30 of each lock/unlock relay. If the alarm system has alternating polarity lock/unlock wires, then set it up for (-) because the diagram is for a (-) activation.

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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA

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