Holley 558-127 EFI Benchtop Harness, Firmware, Dash, ECU Testing

Holley EFI Benchtop Harness

Benchtop Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.

Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)

Features:

• Terminated connectors for several EFI inputs
• Included power switch allows for a quick "install" on your test bench
• Great for ECU diagnostics that do not require a running engine, firmware updates, or 7" dash calibrations