The Ravelco anti-theft device is an aftermarket vehicle immobilizer designed to prevent theft by interrupting multiple electrical circuits necessary for the vehicle to operate. Unlike electronic immobilizers that use wireless key fobs, smartphone authorization, or PIN codes, Ravelco relies on a physical plug that must be inserted for the vehicle to start.
Ravelco has been in business since 1976 and has developed a strong reputation in the vehicle security industry, particularly among owners of frequently stolen trucks.
How Does Ravelco Work?
Ravelco uses a removable 16-pin plug that connects to a socket typically installed under vehicle’s dashboard. When the plug is removed, several electrical connections are interrupted, preventing the vehicle from operating normally.
The installer integrates the device into the vehicle’s wiring, with the specific circuits and installation configuration varying depending on the vehicle. This makes it considerably more difficult to defeat than a basic kill switch installed in an obvious location.
Each Ravelco system uses a particular plug configuration, with the manufacturer claiming more than 100,000 possible combinations. Two plugs are included with the installation, allowing the owner to keep a spare.
Because the system does not rely on wireless communication or software-based authorization, it is not directly vulnerable to common electronic theft methods such as key fob relay attacks or key cloning. However, its effectiveness ultimately depends on the quality of the installation and the security of the interrupted circuits, as well as remembering to remove the plug.
Can Ravelco Be Bypassed?
Ravelco has long claimed that no vehicle has ever been stolen by successfully defeating a properly installed and activated Ravelco system. While this is an impressive claim, it is important to recognize that it comes from the manufacturer and is difficult to independently verify.
Additionally, videos have circulated online appearing to demonstrate the Ravelco being bypassed, including demonstrations posted by an installer associated with competing immobilizer brand IGLA.
Watch one of the alleged Ravelco bypass demonstrations on YouTube.
Ravelco has strongly disputed these demonstrations, accusing its competitors of producing misleading or staged videos. An authorized Ravelco dealer has also argued that the demonstrations do not adequately disclose the preparation, access, or time involved in determining how a particular installation was configured.
These are reasonable considerations when evaluating such demonstrations. Someone working on a vehicle in a controlled environment, potentially with advance knowledge and unlimited time, has substantial advantages over a thief attempting to steal an unfamiliar vehicle in a public location.
On the other hand, dismissing the videos outright would also be premature. A demonstrated bypass raises legitimate questions about the security of a device, even if the circumstances differ from a real theft attempt.
Without an independent examination of the installations, the preparation involved, and the complete testing process, it is difficult to verify the extent of legitimacy to these videos, especially given they were made by someone selling a competing product .
The important takeaway is that Ravelco can provide a substantial obstacle to vehicle theft, but like all other anti-theft devices, it should not be considered impossible to defeat. As with any security system, installation quality matters, and it is best used alongside other theft-prevention measures rather than relied upon exclusively.
Advantages and Disadvantages
One of Ravelco’s greatest advantages is its simplicity. There are no batteries to replace, apps to configure, or wireless authorization signals to worry about. It also offers protection independently of the vehicle’s factory immobilizer, making it useful against various methods of electronic theft.
However, the system does have some disadvantages.
The owner must manually remove the plug every time the vehicle is parked. Forgetting to remove it leaves the immobilizer inactive, and losing the plug can leave the owner unable to start the vehicle until a replacement is obtained.
Ravelco also creates an inconvenience for owners who regularly use remote start, since the system generally needs the plug installed for the vehicle to start remotely.
Obviously, Ravelco does not prevent someone from breaking into the vehicle, stealing its contents, or physically towing it away.
How Much Does Ravelco Cost?
Ravelco’s published installation pricing in the Houston area starts at approximately $800 for many common cars, trucks, and SUVs. Pricing may be higher for certain vehicles and may vary by installer or location.
The system is professionally installed through authorized Ravelco installers. Depending on where you live, finding an installer may require some travel or scheduling a mobile installation.
Ravelco also offers a limited lifetime warranty to the original purchaser when installed by an authorized technician.
For pricing, availability, and installation information, visit the official Ravelco website.
Is Ravelco Worth It?
Ravelco remains a worthwhile option for vehicle owners seeking a robust immobilizer that doesn’t depend on electronic authentication. Its physical design, customized installation, and straightforward operation make it particularly appealing for owners of older trucks and other vehicles frequently targeted by thieves.
However, its higher price and the inconvenience of removing the plug every time you park may make other immobilizers more suitable for some owners.
Those interested in a more automated alternative should also consider the IGLA Anti-Theft System, which uses electronic authorization rather than a removable plug.
Ultimately, both products have strengths and limitations. Neither should be treated as an absolute guarantee against theft, and combining these immobilizers with additional security measures is the best approach. See our guide on Layered Defense for Auto Theft Prevention.
