FiTech 90-92 VSS to 86-89 700R4 4L60E VSS Adapter (20010-4)

The FiTech 90-92 VSS to 86-89 700R4 4L60E VSS Adapter (20010-4) is an essential component designed to bridge the compatibility gap between different generations of GM Vehicle Speed Sensors (VSS) and transmissions. Specifically engineered for vehicles originally equipped with 700R4 or 4L60E transmissions from 1986 to 1989, this adapter harness allows for the seamless integration of a later style VSS unit typically found in 1990 to 1992 models.

This adapter eliminates the complexities and potential risks associated with manually modifying or splicing vehicle wiring. By providing a direct and secure connection, it ensures that your speed sensor communicates accurately with your vehicle’s systems, which is crucial for proper transmission operation, speedometer function, and the performance of other electronic control units.

KEY FEATURES AND BENEFITS:

• Direct Compatibility: This adapter is specifically designed to connect a 1990-1992 VSS to a 1986-1989 GM vehicle equipped with a 700R4 or 4L60E transmission, ensuring proper electrical connections.
• Plug-and-Play Installation: The harness is engineered for easy installation, requiring no cutting or modification to the existing vehicle wiring. This saves time and effort during the installation process and helps maintain the integrity of the original wiring.
• Reliable Performance: Manufactured using factory-grade materials and adhering to original equipment specifications, this adapter ensures a consistent and dependable connection for accurate speed sensor readings.
• Cost-Effective Solution: This adapter offers a more economical alternative to sourcing specific year-matching components or undertaking complex wiring modifications to achieve VSS compatibility.
• Maintains Wiring Integrity: By eliminating the need to cut or splice wires, this adapter helps preserve the original wiring harness, which can be important for vehicle value and future modifications.

SPECIFICATIONS:

• Brand: FiTech Fuel Injection
• Manufacturer Part Number: 20010-4
• Product Line: FiTech VSS Adapter Harnesses
• UPC: 810128303859
• Wiring Harness Style: Adapter
• General Connector Family: Delphi/GM
• Pins Per Connector: 2
• Quantity: Sold individually
• Compatibility:
• Transmission: 1986-1989 GM 700R4 and 4L60E
• Vehicle Speed Sensor: 1990-1992 GM VSS

HOW TO USE:

• Locate the Existing VSS Connector: Identify the vehicle speed sensor connector on your 1986-1989 GM vehicle connected to the 700R4 or 4L60E transmission.
• Disconnect the Old Sensor (if applicable): If there is an existing VSS connected, carefully disconnect it from the wiring harness.
• Connect the Adapter to the Vehicle Harness: Plug the appropriate end of the FiTech adapter harness into the existing VSS connector on your vehicle’s wiring harness. Ensure a secure and proper fit.
• Connect the New VSS to the Adapter: Plug the 1990-1992 style Vehicle Speed Sensor into the other end of the FiTech adapter harness. Again, ensure a secure and proper fit.
• Verify Connections: Double-check all connections to ensure they are firmly in place.
• Test Functionality: After installation, test the vehicle to ensure the speedometer is functioning correctly and that the transmission is shifting as expected. This will confirm the VSS is communicating properly.

BENEFITS OF USING THE FITECH 90-92 VSS TO 86-89 700R4 4L60E VSS ADAPTER (20010-4):

• Simplified Upgrade/Swap: Makes it easy to use a later model VSS when performing transmission swaps or upgrades, eliminating the need to source specific older sensors that may be harder to find.
• Ensures Proper Transmission Operation: Accurate VSS signals are crucial for the correct functioning of your automatic transmission, influencing shift points and overall performance.
• Correct Speedometer Readings: A properly connected VSS ensures that your vehicle’s speedometer displays accurate speed, which is important for safe and legal driving.
• Facilitates Use with Aftermarket Systems: This adapter can be particularly beneficial when installing aftermarket electronic control units or fuel injection systems that require a specific type of VSS signal.
• Maintains Vehicle Value: By avoiding permanent modifications to the original wiring, you help maintain the vehicle’s value and simplify any potential future returns to stock configuration.

FEATURES:

• Specifically designed for adapting 1990-1992 VSS to 1986-1989 700R4/4L60E transmissions.
• Constructed with factory-grade materials for optimal conductivity and longevity.
• Features Delphi/GM style connectors for a secure and OEM-like fit.
• Two-pin connectors ensure the correct wiring configuration for the VSS.
• Provides a direct electrical connection, eliminating potential issues from manual wiring.
• Helps resolve compatibility issues arising from different VSS signal types.
• Offers a clean and professional-looking installation compared to splicing wires.
• Reduces the risk of electrical shorts or incorrect wiring that can damage components.