Holley EFI 558-420 - Terminator® EFI Wiring Harness

Holley EFI 558-420 - Terminator® EFI Wiring Harness

Terminator EFI Input/Output Kit

Terminator® EFI Wiring Harness; Incl. 4 Extra Input Wires And 1 Extra Output Wire; Must Be Programmed Via Holley EFI Software;

PN 558-420 contains 5 extra input/output wires that the base Terminator EFI harness does not contain. It contains Input wires for Inputs 1-4. It contains one wire for Output 2. These inputs and outputs can perform features and functions that must be programmed via Holley EFI laptop software. The software also contains instructions on how to program these.

• Can Perform Features And Functions
• 205 lb./hr. Injector Harness