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5.0L Ford Engine Main Harness
5.0L Ford Engine Main Harness
Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.
Overview
Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)
Features:
Details:
Links
Instruction Sheet
EFI Selection Chart
Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.
Overview
Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)
Features:
- Designed for use with fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants.
- Plug and play ignition capability with Dual Sync and HyperSpark Distributors, for ignition adapter 558-305 is required for applications with a TFI distributor
- Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU??????s
- Comes pre-terminated with Ford PWM IAC connector, for OEM PWM ???? idle air control motors
- For use with OEM Ford fuel injectors, use injector harness 558-209.
Details:
- Harness Application: Ford
- Harness Type: Main
Links
Instruction Sheet
EFI Selection Chart
Product Information
Product Information
Shipping & Returns
Shipping & Returns

5.0L Ford Engine Main Harness
5.0L Ford Engine Main Harness
5.0L Ford Engine Main Harness
Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.
Overview
Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)
Features:
Details:
Links
Instruction Sheet
EFI Selection Chart
Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.
Overview
Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)
Features:
- Designed for use with fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants.
- Plug and play ignition capability with Dual Sync and HyperSpark Distributors, for ignition adapter 558-305 is required for applications with a TFI distributor
- Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU??????s
- Comes pre-terminated with Ford PWM IAC connector, for OEM PWM ???? idle air control motors
- For use with OEM Ford fuel injectors, use injector harness 558-209.
Details:
- Harness Application: Ford
- Harness Type: Main
Links
Instruction Sheet
EFI Selection Chart
$151.78
Original: $505.95
-70%5.0L Ford Engine Main Harness—
$505.95
$151.78Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
5.0L Ford Engine Main Harness
Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.
Overview
Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)
Features:
Details:
Links
Instruction Sheet
EFI Selection Chart
Test Harness for Firmware Updating, Dash Configuration, and ECU Testing.
Overview
Designed for benchtop testing and setup of HP, Dominator, Terminator X, Terminator X Max, and Sniper ECU's, as well as 7" dashes. Great for ECU diagnostics, firmware updating, or pre-configuring dash layouts without being in the vehicle. Harness has pre-terminated connectors for the following sensor inputs: CAN, Crank, Cam, TPS, Input #1, P1A, Main Power, and Sniper EFI connectors for a Sniper main harness. Also includes a power switch for quick setup in your workspace. Power and Ground flying leads need to be connected to your battery or power supply. (Not included)
Features:
- Designed for use with fuel injected small block ford engines, such as 5.0L, or 5.8L Windsor powerplants.
- Plug and play ignition capability with Dual Sync and HyperSpark Distributors, for ignition adapter 558-305 is required for applications with a TFI distributor
- Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU??????s
- Comes pre-terminated with Ford PWM IAC connector, for OEM PWM ???? idle air control motors
- For use with OEM Ford fuel injectors, use injector harness 558-209.
Details:
- Harness Application: Ford
- Harness Type: Main
Links
Instruction Sheet
EFI Selection Chart






















