That may not tell you much. Were the wires wrapped in a shielded cable when you got the unit? The shielding is particular in that it needs to be grounded only on one end and preferably the ecu end. What type sensor is the Holley? VR, Hall, etc.? You could need a pull up resistor possibly, depending on what it is. It could be the rising/falling edge setting. It could be several setting in the tune actually. Hard to tell without more info.
And see my edit in the other post about the MSExtra forums.
https://www.msextra.com/forums/
And ask a moderator to consolidate these two posts or you'll be trying to keep up with 2...