Terratrip Rally Speed Sensor Probe - T006
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Product Information
Full details
This guide is for rally drivers and navigation enthusiasts using trip meters or rally computers. The Terratrip Rally Speed Sensor Probe (T006) offers reliable speed sensing to ensure accurate distance tracking during events. A key consideration is selecting the correct probe type for your vehicle's speedometer system.
All features
| Model Part Number | T006 |
|---|---|
| Brand | Terratrip |
Extended Product Information
FAQs
What types of vehicles are these probes suitable for?
The probes are designed for use with rally cars and vehicles equipped with trip meters or rally computers, supporting both mechanical and electronic speedometer systems.
How do I choose the right probe for my car?
Identify whether your car has a mechanical or electronic speedometer. For mechanical systems, determine if you need a gearbox-mounted probe, a universal type, or a wheel sensor. For electronic systems, the Dual Sensor Interface is typically required.
What is the required gap for the Standard Wheel Probe?
There are two versions: one requiring a maximum gap of 2mm, and another requiring a maximum gap of 4mm between the sensor and the hub bolt head.
Can I use this with any rally computer?
These probes are suitable for use with Terratrip and other types of trip meters and rally computers, provided they accept a standard speed pulse signal.
Do I need to modify my car's original speedometer cable?
The Gearbox Probe and Universal Speedometer Probe are designed to integrate with the existing mechanical speedometer cable system. Minimal to no modification is usually required, often just screwing the probe onto the gearbox where the cable connects.
What does the Dual Sensor Interface do?
It allows a single electronic speed sensor signal from the gearbox to be split, sending a signal to both the original electronic speedometer and an additional device, such as a rally computer.
How durable are these probes for rally use?
They are designed to withstand typical rally conditions, but like all components, they should be protected from excessive impact and contamination.
Troubleshooting
No speed reading on the trip meter
Verify the sensor is correctly installed and powered. Check all connections, ensuring they are secure and free from corrosion. For wheel probes, confirm the gap is within the specified range and that the bolt head is passing correctly. For gearbox/universal probes, ensure the drive cable is properly engaged.
Inconsistent or erratic speed readings
Check for loose connections or damaged wiring. For wheel probes, ensure the mounting is secure and the wheel is rotating freely without wobbling. Debris build-up around the sensor or the target on the wheel/gearbox can also cause issues.
Speedometer cable won't connect to Gearbox Probe
Confirm you have the correct probe for your specific gearbox and speedometer cable thread size. Some adaptation may be required if a direct fit is not possible, or ensure the cable is fully seated into the probe.
Dual Sensor Interface not sending signal to secondary device
Ensure the interface is correctly wired to the vehicle's electronic speed sensor and that the output for the secondary device is properly connected. Check the signal integrity and the power supply to the interface.
Pros and Cons
Pros
- Versatile range of probes to fit different vehicle configurations.
- Ensures accurate distance logging for rally navigation.
- Compatibility with both mechanical and electronic speedometer systems.
- Reliable data transmission for trip meters and rally computers.
- Specific versions available for common mechanical speedometer types.
Cons
- Requires careful selection to match vehicle's speedometer type.
- Installation may require some mechanical aptitude depending on the probe type.
- Not a direct replacement for a faulty speedometer itself, but a sensor for external devices.
- The Dual Sensor Interface is specific to electronic systems, limiting its use on older vehicles.
Setup, Compatibility & Care
Setup: Installation varies significantly based on the probe type.
- Standard Wheel Probe: Mounts near a wheel hub bolt on an undriven wheel. Ensure the gap between the sensor and the bolt head is set correctly (2mm or 4mm depending on the version).
- Universal Speedometer Probe: Typically requires tapping into the vehicle's mechanical speedometer drive.
- Gearbox Probe: Screws onto the gearbox output shaft and accepts the vehicle's speedometer cable.
- Dual Sensor Interface: Connects to the vehicle's electronic speed sensor output and splits the signal.
Compatibility: Ensure the selected probe matches your vehicle's speedometer system (mechanical or electronic) and its drive type (wheel-based or gearbox-based). Check specifications for gap requirements on wheel probes.
Care: Keep the sensor clean and free from debris, especially mud and water. Periodically check connections for security and corrosion. For wheel probes, ensure nothing obstructs the rotation of the hub bolt.