This extension harness for 2 Pin Holley EFI ECU Main Power Connection is a build-to-length Holley EFI Extension Harness and is perfect to extend any Holley Main Power Harness for all Holley EFI ECUs.
DISCLAIMER - This is the main power connection to the ECU. These harnesses are built using 10 AWG TXL wire, the largest wire size for the Aptiv Ducon 6.3 terminals required. Extend the Holley EFI ECU power connection at your own risk.
This is the main power connection to the ECU. These harnesses are built using 10 AWG TXL wire, the largest wire size for the Aptiv Ducon 6.3 terminals required. Extend the Holley EFI ECU power connection at your own risk.
Each harness is custom-made to your selected length. We are unable to accept returns on custom length harnesses.
Each harness is custom-made to your selected length. We are unable to accept returns on custom length harnesses.