Fleece Charging Circuit Harness (FPE-HAR-FMC-CCH-1718) for 2017-2018 Powerstroke 6.7L

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The Fleece Charging Circuit Harness (FPE-HAR-FMC-CCH-1718) is a direct-fit electrical upgrade for 2017–2018 Ford Super Duty trucks with the 6.7L Powerstroke engine. Designed for improved reliability and performance, it replaces the stock charging circuit with a more durable and efficient harness. Ideal for modified or heavily used trucks, it features factory-style connectors for easy installation and helps prevent voltage drops and charging issues, ensuring consistent alternator output and electrical system performance.

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SKU: FPE-HAR-FMC-CCH-1718 Categories: , , ,
Description

The Fleece Charging Circuit Harness (FPE-HAR-FMC-CCH-1718) is a high-quality, direct-fit electrical upgrade designed specifically for 2017–2018 Ford Super Duty trucks equipped with the 6.7L Powerstroke diesel engine. This harness is engineered to improve the reliability and performance of the vehicle’s charging circuit by replacing the factory wiring with a more robust and efficient solution. Ideal for trucks that have undergone performance modifications or are used in demanding environments, the Fleece Performance harness features durable components and factory-style connectors for a seamless installation. It ensures optimal alternator output and consistent electrical system performance, helping to prevent voltage drops and charging issues commonly found in stock setups. Whether you’re looking to support additional electrical accessories or simply enhance your truck’s electrical reliability, this harness offers a dependable upgrade.

Additional information
Weight 2.0 lbs
Dimensions 11.0 × 5.0 × 5.0 in
Fitment

Fitment

  • 2017 Ford Super Duty 250/350/450 6.7L Powerstroke
  • 2018 Ford Super Duty 250/350/450 6.7L Powerstroke

 

Fits 2017-2018 Ford F250/350/450/550 with 6.7L Powerstroke. This kit is for the charging circuit on the Primary Alternator and can be used on vehicles equipped with a secondary alternator. 

Features

Features

Problem Overview

COMPLAINT: Charging circuit MIL illuminated intermittingly or continuously on the truck dash.

CAUSE: Damaged, stressed, chaffed, or broken charging circuit sense wires in the OEM harness that are routed from the Powertrain Control Module (PCM) to the alternator resulting in an intermittent voltage reading to the PCM.

DESCRIPTION: Due to the routing, exposure, and general lack of protection on the small charging circuit sense wires that are routed from Powertrain Control Module (PCM) to the alternator it is common for wire damage to be experienced. The routing of the OE harness is cumbersome and extremely difficult to replace and diagnose.

FIX/SOLUTION: The Fleece Performance Charging Circuit Harness is a drop-in replacement to replace a failed factory harness causing an intermittent or illuminated charging circuit MIL on the dash. The harness installs directly in-line with factory connections with no cutting or splicing and allows you to reroute the alternator connection along the top side of the engine.

Application Notes

Fits 2017-2018 Ford F250/350/450/550 with 6.7L Powerstroke. This kit is for the charging circuit on the Primary Alternator and can be used on vehicles equipped with a secondary alternator. 

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About brand
Fleece Performance Engineering is a diesel performance manufacturer focused on reliability and precision engineering. The company designs parts that solve common diesel issues while supporting added power. Fleece products support daily driving, towing, and performance diesel trucks. Fleece engineers fuel system components, turbochargers, electronics, and emissions-compliant upgrades in house. Their parts improve efficiency, drivability, and long-term engine protection. Each product is tested for proper fit and consistent performance. Diesel owners trust Fleece for dependable upgrades. Whether maintaining a work truck or building for performance, Fleece delivers proven solutions designed for real-world use.
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