FORD XREF-12B577-AB Relay Control Module XR3F-12B581-AC

( Materials Sourced From: Canada ), ( Mounting Style: Bolt-on ), ( Type: Constant Relay ), ( Oe/oem Part Number: Xr3f-12b581-ac ), ( Manufacturer Warranty: 3 Months ), ( Terminal Type: Pin ), ( Manufacturer Part Number: XREF-12B577-AB ), ( Connector Type: Male ), ( Features: Easy Installation ), ( Material: Plastic, Steel ), ( Placement On Vehicle: Front, Rear )

Review FORD Constant Relay Control Module Oem fits MUSTANG 1999–2004

The Ford XREF-12B577-AB 99-04 Mustang Relay Control Module XR3F-12B581-AC is an essential component of the electrical system in certain Ford Mustang models produced between 1999 and 2004. This module, specifically designed for Mustang applications, is responsible for controlling various electrical functions through the use of relays.

The XR3F-12B581-AC is a sophisticated and robust electronic part that includes multiple relays, each one designed to manage specific electrical circuits. These relays are vital in powering various vehicle systems, such as the fuel injection system, the lighting system, the power windows, the HVAC system, and the power locks.

The Ford Mustang Relay Control Module XR3F-12B581-AC is built using high-quality materials and advanced engineering techniques to ensure its longevity and reliability. It is designed to withstand the rigors of daily driving, as well as the demands of high-performance applications.

This module is easy to install, as it simply plugs into the existing wiring harness. It is a direct replacement for the original equipment, making it an ideal solution for Mustang owners who need to repair or upgrade their vehicle's electrical system.

The XR3F-12B581-AC is a must-have for any Ford Mustang enthusiast who wants to ensure their vehicle's electrical systems are functioning at their best. It offers improved performance, enhanced reliability, and the peace of mind that comes with using a high-quality, OEM-grade part.

In summary, the Ford XREF-12B577-AB 99-04 Mustang Relay Control Module XR3F-12B581-AC is a crucial electronic component that plays a vital role in the proper functioning of various electrical systems in certain Ford Mustang models. It is built using advanced engineering techniques and high-quality materials, making it a reliable and robust solution for Mustang owners. The easy installation process makes it a straightforward addition to any Mustang restoration or upgrade project.

The Ford XREF-12B577-AB 99-04 Mustang Relay Control Module XR3F-12B581-AC is an aftermarket part used to replace the original relay control module in select Ford Mustang models from 1999 to 2004. This component is responsible for controlling various electrical systems in the vehicle, such as the fuel injection, ignition, and accessory power.

1. Improved Performance: A faulty relay control module can cause various electrical issues in the Mustang, leading to poor performance. Replacing the part with a new one can help restore the vehicle's original performance.

2. Diagnostic Capability: The XR3F-12B581-AC module comes with diagnostic capabilities, allowing users to identify and troubleshoot issues related to the electrical systems in their Mustang.

3. OEM Quality: This aftermarket part is designed to meet or exceed the original equipment manufacturer (OEM) specifications, ensuring a reliable and durable replacement.

1. Cost: The cost of this aftermarket part may be higher than some other aftermarket alternatives or even used OEM parts.

2. Installation Complexity: Installing the relay control module may require advanced technical skills and specialized tools, which could add to the overall cost and time investment.

3. Availability: Depending on the specific model and year of the Mustang, availability of this part may be limited, requiring users to search multiple suppliers or wait for extended periods.

In conclusion, the decision to purchase the Ford XREF-12B577-AB 99-04 Mustang Relay Control Module XR3F-12B581-AC depends on individual circumstances, such as the urgency of the repair, technical skills, and budget. For those who prioritize reliability, diagnostic capabilities, and OEM quality, this aftermarket part may be an excellent investment. However, for those who are budget-conscious or willing to accept some level of risk, alternative options may be worth considering. Ultimately, it's essential to weigh the pros and cons and consult with a qualified mechanic or automotive expert before making a final decision.

Details:

This has been NO signs of corrosion or damage and looks good overall. This is in good condition with normal wear and NOT broken or cracked. Up for sale is a 1999 04 Ford Mustang constant relay control module unit XR3F-12B581-AC OEM.

part #: xref12b577 prices

• $70.00-$89.99

specifications ecusrush:

• for models: Mustang
• for makes: Ford
• for years: 1999-2004
• materials sourced from: Canada
• mounting style: Bolt-on
• type: Constant Relay
• oe/oem part number: Xr3f-12b581-ac
• manufacturer warranty: 3 Months
• terminal type: Pin
• manufacturer part number: XREF-12B577-AB
• connector type: Male
• features: Easy Installation
• material: Plastic, Steel
• placement on vehicle: Front, Rear

general ecusrush:

• condition: Used
• Car Truck Parts Accessories > Starters, Alternators, ECUs Wiring > ECUs Computer Modules

offer ecusrush:

• started: November 1, 2025
• quantity: 1
• sold: 0
• availability: In Stock
• options: Ship-to-home

payments ecusrush:

• wallet: Google-pay
• other
• credit card: Diners-club

returns ecusrush:

• time: 60 Days
• policy: Returns Accepted
• paid by: Buyer

shipping ecusrush:

• class: Standard
• service: USPS First Class
• transit: 3-6 Days
• carrier: USPS
• cost: $0.00
• type: Fixed

seller ecusrush:

• city: Las Vegas, Nevada
• rating: 99.6%
• # reviews: 6862

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