Forum - Holley Performance Products Forums
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V2 EFI software upgrade on Gen 1. - Holley Performance Products …
Jun 12, 2024 · I just noticed that the V2 EFI software supports both Sniper 1 & 2, but I saw the note in the overview that say call Holley because V1.3 needs a special update. Is the update worth doing …
Universal Terminator X - Holley Performance Products Forums
Jun 21, 2021 · I have the Holley 550-936 Terminator X Kit, and added CNP harness 558-307. Running Dual Sync on a Mark IV BBC.
Engine stalls after a few seconds. - Holley Performance Products Forums
Jan 9, 2023 · Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not guarantee an …
Holley EFI Software HotKeys for Quick Keyboard Navigaton
Oct 31, 2015 · Holley EFI Software HotKeys for Quick Keyboard Navigaton 10-31-2015, 11:50 AM Several people have asked me if there were any Hot Keys in the EFI software, to make
Useful Sniper EFI Information - Holley Performance Products Forums
Jul 21, 2017 · Holley EFI Video on Potential Problems: Potential Install Problems Holley EFI Video on Bad Wiring Practices: Bad Wiring Practices Holley EFI Video on Protecting Wiring Properly: …
Configuring Speedometer Output - Holley Performance Products Forums
Jul 27, 2013 · I'm using a Dominator EFI system with a factory electric TH400 speed sender using 40 PPR and a 2-wire pickup. I currently have it setup as a Digital Speed Input and it logs correctly and …
Throttle Body Compatibility - Holley Performance Products Forums
Nov 21, 2024 · I bought a Holley Terminator X Max kit for a Gen 3 Hemi. During the install, I found out Holley's Drive-By-Wire harness isn't compatible with the throttle body on the engine (the connector is …
Forums - Holley Performance Products Forums
Oct 24, 2025 · To start viewing messages, select the forum that you want to visit from the selection below. Please be aware that this is a community forum. Although Holley employees will take part in …
Where do I get V2.0 Build 50 Terminator X firmware? - Holley ...
Oct 13, 2020 · The minimum software I need is 2.0 Build 50, currently have 2.0 Build 30. So although just ten minutes ago I downloaded and updated what is supposed to be the latest firmware, it clearly …