Availability
Holley Single-Channel EGT Controllers
Not Yet Reviewed
Plug-and
Plug-and-Play, 1CH EGT controller features:
* Supplied harness features two CAN connectors (one male, one female) that plug into the Holley main harness (or P/N: 558-412 kit Dominator only)
* LED: Green LED indicator on unit shows solid green color to signify device is operational; flashing LED alerts no thermocouple connected or it failed
* Note: before mounting, it is recommended you record the CAN ID Serial number from the sticker on bottom side of the unit for use during software setup
* Mounting: EGT module is designed to be installed with zip-tie or a pair of #6 or #8 screws
* Software setup
* Important note: Requires software and firmware Version 5 Build 31 or later
Analog module, 1CH EGT controller features:
* Wiring: harness is a "flying lead" with three wires exposed for power, ground, and signal (red wire: power 6.5 V-24.0 V; black wire: ground; and tan wire: Analog output)
* Outputs a 0-5 V and can be used with systems that have configurable 5 V inputs
* LED: Green LED indicator on unit shows solid green color to signify device is operational; flashing LED alerts thermocouple not connected or it failed
* EGT module is designed to be installed with zip-tie or a pair of #6 or #8 screws
* Analog setup: analog output scaling is accurate between 0.5 and 4.5 V and covers temperature range of a K-type thermocouple
Showing In Stock Items. Show All 2 Items.
Data Acquisition, Holley EFI, Single-channel Module, CAN EGT Controller, Dual CAN Connector Harness, for HP, Dominator, Terminator X EFI, Kit
Part Number: HLY-554-188C
Not Yet Reviewed
Estimated Ship Date: Nov 3, 2026 if ordered today
Estimated Ship Date: Nov 3, 2026 if ordered today
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