FAST XFI main wiring harnesses will allow you to connect the XFI ECU to the main engine wiring harness of your vehicle. They feature pre-terminated ends with special Weatherpack connectors for a perfect fit. Available for different engine configurations and styles, the FAST XFI main wiring harnesses will make the installation of your XFI ECU a lot easier.
FAST XFI main wiring harnesses will allow you to connect the XFI ECU to the main engine wiring harness of your vehicle. They feature pre-terminated ends with special Weatherpack connectors for a perfect fit. Available for different engine configurations and styles, the FAST XFI main wiring harnesses will make the installation of your XFI ECU a lot easier.