Ignition Interlock Device Intoxalock Wiring Diagram Apr 2026

| Wire Color | Advanced Function | Connection Point | | :--- | :--- | :--- | | | Brake Switch Interlock | Positive side of brake pedal switch (to detect start attempt). | | Orange | CAN High / Low (Data Bus) | Splices into OBD-II port CAN H or CAN L lines. |