Ensure the internal retaining mechanism smoothly releases the master key when authorized, and firmly locks it back into place when reinserted.
Bolt the back box securely to the vehicle frame or heavy-duty console using grade 5 or higher fasteners and backing washers. Wall Mounting (Commercial Infrastructure)
If you need to customize this setup for your specific fleet, please let me know:
The unit includes a relay circuit that can be connected to external devices, such as an optional strobe light that flashes when the master key is not secured. Configuration & Software
: Audit trail data—which tracks who released a key and when—is collected via an interface cable connected to a laptop. PIN Management knox keysecure 3b installation manual hot
Typically, the relay is set to provide +12 volts to the alert device when the key is "unsecured".
Attach the black wire to a verified factory chassis ground point. Clean away paint or rust to ensure a bare metal connection.
Inspect the slot for obstruction. Clean with compressed air. Do not lubricate. Out-of-sync database
Connect to a constant +12V DC or +24V DC battery source. Never bypass the 5A inline fuse. Configuration & Software : Audit trail data—which tracks
Reconnect to KnoxConnect software and re-upload the user directory. Incorrect ignition wiring
For the most accurate and safe installation, it is highly recommended to consult the official manual or contact a professional installer from the Knox Box website .
In vehicle installations, the KeySecure 3b requires a 3 amp, 12-volt DC power supply.
The Knox KeySecure 3B must be mounted in a location that is easily accessible to the driver or officer, yet protected from extreme weather elements. Step-by-Step Mounting Clean away paint or rust to ensure a bare metal connection
PIN codes and system settings are managed through PC-based administration software. To update the unit, a laptop is connected via an interface cable (often a 6-pin DIN or USB depending on the specific model variation).
Always disconnect the negative battery terminal before tapping into any vehicle electrical circuits to prevent shorts and blown fuses.
Follow this sequence exactly. Deviation is the #1 cause of post-installation overheating alerts.
[ KEYSECURE 3B REAR TERMINAL PLUG ] +-----------------------------------------------+ | [RED] | [BLK] | [WHT] | [BLU] | [GRN] | | +12/24V | Ground | Ignition | Relay | Relay | | Battery | (Chassis| Sense | N.O. | Common | +-----------------------------------------------+ Pinout Configuration