Stop chasing broken lights on your FiveM server.
Carcols Fixer is a script that automatically reassigns conflicting siren, light, and modkit IDs across your FiveM server — so your carcols and carvariations files stop breaking every time you add a new car.
Servers Using The Script
5-Star Reviews
Email Support
Every car you add, creates a possible conflict.
Every non-els vehicle you add eats into a 255-ID pool for sirens. Same goes for lights, and modkits. The moment two cars claim the same ID, lightbars flash the wrong patterns, modkits disappear, and you end up randomly rewriting carcols.meta files by hand, usually having to do it multiple times.
Reads your carcols files
Parses every carcols.meta and carvariations.meta in your resources — no manual list to maintain.
Fixes three ID types
Reassigns conflicting siren IDs, light IDs, and modkit IDs to unique values. Toggle each check independently from config.json.
Easy install
Drop the folder next to your server.cfg, paste your license key into config.json, and run node . — that's it.
Original files backed up
Use the --revert to bring back any changes made. So you can use it without any worries!
Windows & Linux
Tested and proven on both operating systems.
Real human support
Stuck? Email us and an actual developer answers.
From conflicts to clean IDs in three steps.
No coding, no manual ID hunting, no rebuilding your vehicle pack from scratch.
Drop the folder in your server root
Download from your account, unzip, and place the CarcolsFixer folder in the same directory as your server.cfg.
Run node .
Open a terminal in the folder, run node . — IDs are rewritten automatically.
Restart your vehicles
Restart your vehicle resources and you're done.
Carcols Fixer
Fix broken emergency lights on your FiveM server — automatically. Carcols ID conflicts are the 1 cause of broken police lights, and other lighting on FiveM servers. When two vehicles share the same carcols ID, one of them stops working entirely. The more vehi…
Don't take our word for it.
Real feedback from server owners running Carcols Fixer in production.
.g0dspeed#0
Carcols Fixer
This is a lifesaver; I haven't experienced a single carcol problem since installing this script.
dign1ty#0
Carcols Fixer
The greatest script ever made makes my life so much easier.
xMarzCapone#7249
Carcols Fixer
This needs to be every fivem server this is the best script i have ever seen for fivem iam so thankful for this script it's just the BEST.......................…
Jitterclicsound#4554
Carcols Fixer
Fucking amazing works so well its so much work just taken off me and put on a script 10/10 would buy again 100 times
toxic6339#0
Carcols Fixer
Dude I was about to chuck my pc out a window then a server recommended this script for me i never even read the review i just bought and it worked i love u guys…
Why server owners choose Carcols Fixer
Running a FiveM server with a lot of vehicle packs means constantly fighting carcols ID conflicts. Every time you add a new car, you risk breaking the lights or sirens on an existing one — because GTA V only allows 255 unique siren IDs, and most vehicle packs don't coordinate their numbering.
Carcols Fixer is the only automated tool built specifically to solve this. It scans every resource on your server, finds every carcols.meta and carvariations.meta file, detects duplicate siren IDs, light IDs, and modkit IDs, and rewrites the conflicting files with clean unique values — all in one run.
What makes it different
The Carcols Fixer doesn't depend on guess work, or any manual work. The script fully fixes all the vehicles in your server without the server developers having to do anything.
Trusted by FiveM server owners worldwide
Carcols Fixer has fixed ID conflicts across hundreds of FiveM servers — from small community servers to large RP communities running hundreds of custom vehicle packs. One script, one run, clean files.
Common questions, answered.
carcols.meta and carvariations.meta files in your vehicle resources and reassigns any conflicting siren IDs, light IDs, or modkit IDs to unique values. Each of the three checks can be toggled independently from config.json.CarcolsFixer folder next to your server.cfg, paste your license key into config.json, then run node . from a terminal in that folder (Windows) or via SSH (Linux). Restart your vehicle resources after it finishes. Full steps are in the documentation.server.cfg.Still have questions? See the full documentation or email support@carcolsfixer.store.
Clean carcols IDs without rewriting a single file.
Drop the folder in, paste your key, run — your FiveM servers cars stop fighting themselves.
Get Carcols Fixer — €20.00 View Details