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Home / Shop / Holley EFI Ford Foxbody Main Harness

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Holley EFI

Holley EFI Ford Foxbody Main Harness

Part # 558-128

$658.95

In Stock

This harness is for 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. The 5.0L Ford main harness is pre-terminated with Ford PWM IAC connector for the OEM PWM - idle air control motor commonly found on late 80's and early 90's engines. Compatible with Holley EFI Dominator, HP, and Terminator X and X Max ECU's.

Features & Benefits
Comes pre-terminated with Ford PWM IAC connector for OEM PWM - idle air control motors

Fits: Plug and Play with fuel injected 5.0L Small Block Ford Engines

Installation note: The following guide overviews all connections on the main harness. The main harness supports all the primary engine sensors, fuel and ignition for eight cylinder engines, the #1 wideband oxygen sensor, and the first four programmable input and output channels. There are two connectors for this harness designated as “J1A” (pin designations below that start with an A) and “J1B” (pin designations below that start with a B).

Specifications

Harness Application Ford
Harness Type Main
Terminal Type Pin

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