Watch these Holley EFI instructional videos, and you shouldn't have any wiring problems:

Holley EFI Uncut instructional videos:

Interesting Holley EFI Tuning Video (DVD):

Holley EFI Systems Overview:

Holley EFI Learn/Self-Tuning Demonstration:

How to record a System Log & Diagnose A No-Start Condition:

Holley EFI University by

EFI Software Help Information/Instructions:
‒ On the top Toolbar, click "Help" & "Contents". This opens all Help topics.
‒ When navigating the software, click "Help ?", drag it to any parameter and click again.
..This automatically opens the definitions for that specific parameter.
‒ Tuning information can be read by clicking the F1 key, when you're viewing any screen. (Holley EFI Help/Instructions Overview) (Holley EFI Quick Start Guide) (Holley EFI Wiring Manual & Diagrams) (Initial Checks & Adjustments - Read Steps #1-#6!)
Open the Holley EFI software "Help" Contents ("Help" drop down menu), and read "Step-By-Step Beginners Tuning".
Ensure the EFI software is set to run as an "Administrator" (right click for Properties/Advanced). Set it and forget it.