dsm250 and 5x03 box issues
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=136084
Printed Date: September 13, 2025 at 2:02 PM
Topic: dsm250 and 5x03 box issues
Posted By: 93eh2
Subject: dsm250 and 5x03 box issues
Date Posted: February 17, 2014 at 11:09 AM
I am attempting to install the DSM250 in my car. I have a 5X03 box and am not sure if I'm not connecting it correctly or something else is wrong. I don't believe I have a bit writer port on the box so do I connect the brown 4 pin 3 wire connector to the brown port next to large 12 pin harness? When I plug in the white four pin four wire connector of the DSM in there I don't get module communication but the orange LED flashes quickly then slowly and then quickly again. When I plug the brown connector of the DSM into the brown port on the box I get a solid green led and the orange just does the same cycle. If I use the brown connector am I supposed to cut either of the looms? I just need a solid orange led and I can activate it from there. All functions of the alarm operate as designed up to this point. Thanks for any and all help
Replies:
Posted By: harryharris
Date Posted: February 17, 2014 at 1:00 PM
What make is the 5X03? Any thing from DEI after 07 on should have a bitwriter port, either use that (black 3 pin) or read the instructions very carefully.
Only connect the SS250 after everything else is installed and correctly tested.
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Test before boxing up.
Posted By: blanx218
Date Posted: February 17, 2014 at 3:14 PM
Use the brown connector on the dsm250 in the red D2D port. Also connect the power and ground in the separate 2 wire harness. You will also need a directechs.com login to set up the dsm250 after install.
Posted By: harryharris
Date Posted: February 17, 2014 at 4:08 PM
Blanx, if you use the brown connector don't you also have to ground a gray wire on a short lead from the 250?
Personally I find it far easier to as you say connect power and ground but I use the 3 pin into the bitwriter port, far easier.
You're quite correct though about the log-in.
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Test before boxing up.
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