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Holley EFI Engine Control Module (ECM) 554-165 product image 1
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Holley EFI Engine Control Module (ECM) 554-165

SKU: 554-165

$519.95

Holley EFI Engine Control Module (ECM) 554-165

Limited 90 Day Supplier Warranty
Holley EFI Engine Control Module (ECM) 554-165

Thermistor Inputs For Coolant Temperature Sensors
Holley EFI Engine Control Module (ECM) 554-165

This Module Is Perfect For Anyone Wanting Their Holley EFI ECU To Control More Functions Or Monitor More Data Channels
Holley EFI Engine Control Module (ECM) 554-165

Quickly Expand Your HP/Terminator X Or Even Dominator ECU’s Input / Output Control With 8 Additional Inputs And Outputs
Holley EFI Engine Control Module (ECM) 554-165

HP And Terminator X EFI Installations With Only 4 Inputs And 4 Outputs Can Now Add More Functionality To Their EFI System

Verified U.S. Supplier

Fitment Data Included

30-Day Returns
In stock 7

Prop 65 Warning

WARNING: Cancer and reproductive harm - www.P65Warnings.ca.gov

Emissions & Compliance

Emissions Compliance Exempt
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Holley EFI Engine Control Module (ECM) 554-165

$519.95

$519.95

Add 8 Inputs And Outputs

Number Of Channel

Product Description

This CAN module will add eight inputs and eight outputs to the system, which can be used to control additional accessories, or provide critical sensor inputs. This module is perfect for anyone wanting to enhance the capabilities of their current ECU, yet have already tapped out their ECU's Input/Output channels.

More Features
  • Comes With Pre-Terminated CAN Harness, Allowing You To Quickly Install The Holley EFI CAN Module To Any Existing Holley EFI Installation
  • Input For Switch 12 Volt Toggle Switches - Can Be Configured For External Mechanical Relays, Or Setup As Digital Switches Via A Holley EFI Dash
  • Ground Input For Brake Pedal Switch And 5 Volt Analog Inputs For Sensors Like Fuel Pressure, Oil Pressure, Or Nitrous Bottle Pressure
  • Switch Low (Ground) Output – For Relay Control Or Activation And Adjustable Broadcast Rate For Each Channel - From 0-100hz
  • Switch Low PWM (Ground) Output – Switch Low PWM (Ground) – PWM Fan Control – PWM Fuel Pump Control - Or Other PWM- Controlled Devices

Specifications

Used With
Holley EFI HP/ Dominator/ Terminator X And Terminator X Max EFI Fuel Injection Systems
Number Of Channel
Add 8 Inputs And Outputs
With CAN Wiring Harness
Yes

Installation & Documents



Installation Guide
Installation Guide