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.

More From This Category

Haltech Elite 2000/2500 Terminated Engine Harness for Nissan RB Twin Cam with CAS harness and Series 1 (early) ignition type sub harness, Kit

Haltech Elite 2000/2500 Terminated Engine Harness for Nissan RB Twin Cam with CAS harness and Series 1 (early) ignition type sub harness, Kit

$1,450.00

FAST Motorcycle Length A/F Meter Harness w/ Power Lead

FAST Motorcycle Length A/F Meter Harness w/ Power Lead

$171.83

Haltech Inputs and CAN Expansion Products, CAN Adaptors Hubs and Cables, Haltech Elite CAN Cable DTM-4 to DTM-4 Length: 75mm (3"), Each

Haltech Inputs and CAN Expansion Products, CAN Adaptors Hubs and Cables, Haltech Elite CAN Cable DTM-4 to DTM-4 Length: 75mm (3"), Each

$60.00