I am not seein' a thing on the Holley site says anything about magnum engines. The plug and play setup seems to be hemi. It isn't just "Terminator' and it's not just "Terminator X" It evidently has to be "Terminator X max"
THIS is the only mention I see about Mopar transmissions
Holley EFI 558-473 Chrysler 46RE Transmission Control Harness