Unterminated auxiliary input / output harness to utilize the four-pin power tap connector on newer main engine harnesses from Holley EFI.
Works with Holley EFI main engine harnesses for HP, Dominator, Terminator X and Terminator X Max that have the four-pin power tap connector near the eight-pin I/O connector.
Includes assortment of crimp splices with glue-lined heat shrink.
- Chassis ground
- Sensor ground
- Sensor 5v reference
- Fuel pump out 12v+ (active when engine is running)