Haltech IO 12 Expander Box A CAN Based 12 Channel w/Flying Lead Harness

This Haltech IO 12 Expander Box uses a CAN (Controller Area Network) bus to communicate, allowing it to send and receive data from your Haltech ECU. It gives you 12 additional channels of input/output, which is really handy when you need to monitor more sensors or control more accessories than your ECU natively supports. The flying lead harness makes connecting to your existing wiring straightforward, giving you a clean way to integrate these extra channels into your setup.

The CAN bus architecture is a smart choice here because it uses a simple, robust two-wire system to transmit data. This means less wiring overall compared to older analog systems, and it’s less susceptible to electrical noise. With 12 channels, you can add things like extra temperature sensors, pressure sensors, or even control additional cooling fans or fuel pumps. The box itself is well-built to handle the demands of a performance engine bay, ensuring reliable operation.

When you're looking to expand your Haltech system's capabilities, this IO 12 Expander Box is a solid option. It comes with the main unit and a flying lead harness, so you have the essential components to get started. Just remember that this unit is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation guide for specific wiring and configuration details to ensure proper integration with your Haltech ECU.