Holley's Built In Output Testing Feature For Terminator X, HP, Dominator ECUs
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Holley's Built In Output Testing Feature For Terminator X, HP, Dominator ECUs
Upgrade your Holley ECU with the latest firmware for Terminator X, HP, and Dominator systems! This update adds powerful new features like selectable O2 sensors, integrated dash/handheld firmware, Ford Godzilla base calibrations, and a built-in output testing tool. Learn how to safely test injectors, ignition coils, fuel pumps, fans, and more ...
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