Description
The Speedhut GM/Ford/Chrysler Thread On Mechanical Drive Cable (A-282) provides a vital connection for integrating modern GPS-based speed measurement into classic vehicles. Designed specifically for GM, Ford, and Chrysler mechanical speedometers that utilize a 5/8-18 “THREAD-ON STYLE” connection, this 3-foot cable facilitates the use of the Speedhut SPEEDBOX™ (sold separately) to drive your original speedometer with a GPS signal. This eliminates the need for a traditional mechanical cable running to the transmission, offering a cleaner installation and potential for increased accuracy.
KEY FEATURES AND BENEFITS:
- Enables GPS Speedometer Conversion: When used with the Speedhut SPEEDBOX™, this cable allows your original mechanical speedometer to display speed derived from a GPS signal.
- Direct Compatibility: Specifically designed for “THREAD-ON STYLE” mechanical speedometers in many GM, Ford, and Chrysler vehicles, ensuring a proper fit.
- Convenient Length: The 3-foot (36-inch) length offers flexibility in mounting the SPEEDBOX™ unit in a suitable location behind the dashboard.
- Easy Installation: The cable is flexible, allowing for smooth routing and connection to both the speedometer and the SPEEDBOX™.
- Preserves Original Aesthetics: Allows you to retain the look and feel of your classic vehicle’s original speedometer while benefiting from modern technology.
SPECIFICATIONS:
- Connector Style (Speedometer End): 5/8-18 Thread-on
- Length: 3 Feet (36 Inches)
- Included: Mechanical Drive Cable
HOW TO USE:
- Install the Speedhut SPEEDBOX™: Mount the SPEEDBOX™ unit in a convenient location, typically behind the dashboard, following the instructions provided with the SPEEDBOX™.
- Connect the Cable to the Speedometer: Locate the mechanical cable connection on the back of your GM, Ford, or Chrysler speedometer. Thread the 5/8-18 end of the Speedhut A-282 cable onto this connection, ensuring it is securely fastened.
- Connect the Cable to the SPEEDBOX™: Connect the other end of the Speedhut A-282 cable to the designated mechanical output port on the Speedhut SPEEDBOX™. Ensure a secure connection.
- Power the SPEEDBOX™: Connect the SPEEDBOX™ to a suitable power source in your vehicle as per the SPEEDBOX™ instructions.
- Configure the SPEEDBOX™ (if necessary): Depending on your specific setup and the SPEEDBOX™ model, you may need to configure it according to the instructions provided.
- Test the System: Once all connections are made and the SPEEDBOX™ is powered, test your speedometer while the vehicle is moving or by using the SPEEDBOX™’s testing features (if available).
BENEFITS OF USING THE SPEEDHUT GM/FORD/CHRYSLER THREAD ON MECHANICAL DRIVE CABLE (A-282):
- Provides a seamless way to modernize your classic vehicle’s speed-sensing system without altering the original look.
- Ensures compatibility with a broad range of GM, Ford, and Chrysler mechanical speedometers.
- Eliminates the need for transmission-based mechanical speedometer cables.
- Facilitates clean and organized installation behind the dashboard.
- Offers reliable performance through its robust and flexible construction.
FEATURES:
- Direct Threaded Interface: Engineered with a 5/8-18 thread to directly mate with compatible GM, Ford, and Chrysler mechanical speedometers.
- Optimized Length for Mounting: The 3-foot span allows for strategic placement of the SPEEDBOX™ while maintaining a reliable connection.
- Flexible Conduit: Designed to bend without kinking, facilitating easy routing through the vehicle’s dashboard area.
- Essential Link Component: Acts as the crucial intermediary, physically connecting the electronic SPEEDBOX™ output to the mechanical speedometer input.
- Robust Construction: Built to withstand typical automotive under-dash conditions, ensuring a lasting connection.






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