2004 Dodge Ram 3500 Diesel, Compustar DC3, Door Lock Wiring
Printed From: the12volt.com
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=146913
Printed Date: May 13, 2025 at 4:30 AM
Topic: 2004 Dodge Ram 3500 Diesel, Compustar DC3, Door Lock Wiring
Posted By: scottthur
Subject: 2004 Dodge Ram 3500 Diesel, Compustar DC3, Door Lock Wiring
Date Posted: June 29, 2021 at 4:09 PM
Im looking to install a Compustar DC3 in my 2004 Ram 3500. I looked over the idatalink install guide and it shows 2 relays used and one 330 ohm resistor. The resistor appears to be for the parking lights. Looking through the posts here I have read more relays and resistors will be needed for the locks. Is there a wiring diagram for the DC3 that shows relay connections for the locks?
Replies:
Posted By: i am an idiot
Date Posted: June 30, 2021 at 7:59 PM
Power Lock Violet/Dk. Green - 820 Ohms Above Driver Kick, white 24 pin plug, pin 18 Directwire
Power Unlock (same as power lock) - 330 Ohms
Above is the wiring info for the truck. It will take 2 relays.
Posted By: mgoetz74
Date Posted: July 02, 2021 at 12:46 PM
the dc3 has a door lock mux wire that should do the lock/unlock. yellow wire m4 and hooked to purple/ltblue in the drivers kick panel. shouldn't need a relay
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33 years as a installer now just a retired old guy. Favorite thing to install/topic are remote starts/car alarms. Stop using test lights!!!
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