Haltech IO 12 Expander - 12 Channel with Flying Lead Harness Kit (CAN ID - Box A) HT-059904

The Haltech IO 12 Expander with flying lead harness kit extends your ECU's capability by adding twelve configurable input and output channels through CAN communication. Configured as Box A, this expander module is ideal for complex engine management setups requiring additional switch inputs, sensor monitoring, or auxiliary device control beyond the base ECU's capacity. The included flying lead harness simplifies installation and wiring integration. Essential for professional tuners managing multi-stage boost control, data acquisition expansion, or intricate driver control systems where standard I/O counts fall short.