IO 12 Expander Box A - CAN Based 12 Channel inc Plug & Pins

The Haltech IO 12 Expander Box A delivers twelve extra input and output channels via CAN communication, extending the control capabilities of compatible Haltech engine management systems. Ideal for complex builds requiring additional sensor monitoring or auxiliary device control beyond standard ECU capacity. CAN-based architecture ensures reliable data transmission while reducing wiring complexity. Supplied complete with connector plug and pins for professional integration. Enables advanced functions including extra temperature monitoring, pressure sensing, or switched outputs for nitrous, boost control solenoids, and other performance components requiring dedicated channels.