Standard Ignition S-677 Manifold Absolute Pressure Sensor Connector

Manifold Absolute Pressure Sensor Connector for Ford Applications

Standard Ignition S-677 is a manifold absolute pressure sensor connector pigtail assembly built for electrical repair work where the original connector has heat damage, broken terminals, or intermittent contact. It uses high-grade materials to support strong conductivity and a secure connection on Ford, Mercury, and Lincoln vehicles across a wide range of model years.

For technicians servicing Ford F-150, Mustang, Ranger, Bronco, and related platforms, this connector is a direct-fit electrical repair solution for restoring sensor communication and stable engine management signals.

Key Features

• Manifold absolute pressure sensor connector pigtail assembly
• Male connector gender with female pin terminals
• 4-terminal, 4-wire design
• Built with materials selected for conductivity and connection integrity
• Standard Ignition S-677 for electrical connector replacement work
• Cross-references Karlyn 651 for the same application

Detailed Description

Standard Ignition S-677 is engineered as a replacement MAP sensor connector for repair of damaged factory wiring on many Ford, Mercury, and Lincoln vehicles. The connector design supports a reliable electrical interface where the original plug has failed from age, vibration, corrosion, or heat exposure. Standard Ignition focuses on pigtails and sockets for electrical repair, using industry experience to address common connector failure points with a serviceable replacement.

This part number is also referenced in applications involving Ford F-250, Ford F-350, Ford Explorer, and Ford Bronco models, along with many other vehicles in the 1977-1997 range. Standard Ignition S-677 is a practical choice when diagnosing MAP sensor connector issues on older Ford fuel-injected systems.

What It Helps Fix

• Broken or brittle MAP sensor connector housings
• Corroded or loose terminal contact at the sensor plug
• Intermittent engine signal loss caused by damaged wiring at the connector
• Heat-related connector failure near the engine bay
• Diagnostic trouble codes tied to poor sensor connection

Installation Notes and Tips

• Verify connector style, terminal count, and wire layout before installation.
• Match the replacement to the vehicle’s original sensor connector before splicing.
• Inspect nearby wiring for heat damage or corrosion before completing the repair.
• Use proper electrical repair practices to maintain circuit integrity.
• Confirm fitment for the exact year, make, and model listed in the application data.

Quality Assurance

Standard Ignition builds its pigtails and sockets with a focus on technician-grade electrical repair and consistent conductivity. The brand’s long-running connector program is developed to address common OE connector failure issues with replacement parts designed for dependable service.