Holley 558-127 Holley EFI Benchtop Harness
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
| Brand | Holley EFI |
|---|---|
| Emission Code | 6 |
| Product Type | Harness |
| UPC | 090127136768 |
| Part Number | 558-127 |
