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Holley EFI Benchtop Harness

Part # 558-127

Firmware Updating - Dash Configuration - ECU Testing

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Holley EFI Benchtop Harness

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Free Shipping - Lower 48 US States
$249.95
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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
  • Included power switch

About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!

Brand Holley EFI
CategoryIgnition
ColorBlack
Emission Code6
End 1 Connector ColorBlack
End 2 Connector ColorBlack
Grade TypePerformance
Part TypeIgnition Harness
Product TypeHarness
Sub CategoryIgnition Wire and Related Components
UPC090127136768
Part Number558-127
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Holley EFI Benchtop Harness
Holley EFI Benchtop Harness
$249.95