Haltech GPS speed input module (universal)
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Haltech GPS speed input module.
The Haltech GPS speed input module provides a highly accurate, non-driven digital vehicle speed signal for engine management and data logging systems. Utilizing a fast 10Hz GPS update rate with a low 0.3% speed deviation, this module generates a 0V to 12V pulsed output pre-calibrated to 5,000 pulses per kilometer (5,000 ppk). Built-in Anti-GPS Drift technology prevents erratic speed readings when stationary, while intelligent pulse compensation maintains speed signal continuity when driving through tunnels or under momentary satellite signal obstruction. Supplied with an external GPS antenna and a matching 3-pin Deutsch DTM connector set, it connects directly to available ECU Synchronous Pulsed Input (SPI) or Digital Pulsed Input (DPI) channels.
Specifications & Features:
- Signal Output: 0V to 12V Pulsed Output
- Calibration Setting: 5,000 pulses per kilometer (5000 ppk)
- GPS Refresh Rate: High-speed 10Hz GPS update rate
- Measurement Accuracy: High accuracy with 0.3% maximum deviation
- Signal Processing: Anti-GPS Drift technology and tunnel pulse compensation
- ECU Channel Compatibility: Connects to SPI (Synchronous Pulsed Input) or DPI (Digital Pulsed Input) channels
- Connector Interface: Includes matching male Deutsch DTM 3-pin connector with pins
- Package Contents: 1x GPS Speed Input Module, 1x GPS Antenna, 1x Deutsch DTM 3-pin Plug & Pin Set
Notes: Calibrated to 5000 ppk. Provides true ground speed measurement without relying on wheel speed sensors or transmission speed drives.









