Ramco Automotive Speed Sensors are engineered for precision performance, durability and a long service life while ensuring a smooth operation reporting vehicle speed to the ECM and Instrument panel. The signal is used by several other control modules to adjust performance. Circuitry highly protected against power spikes and electro-magnetism. Signal Amplitude (SA), pulse Width (PW) and response timing (RT) tested to ensure highest reliability in extreme conditions. 100% RABS tested to meet or exceed OE specifications.