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Vehicle Speed Sensor (VSS)
Brand information
SCHNECKE
- Provider of Vehicle Speed Sensor to the worldwide OEM market and aftermarket.
- SCHNECKE offers complete Vehicle Speed Sensor coverage for Asian, Domestic and European vehicles,
- Top brand awareness and unsurpassed quality.
Vehicle speed sensors are usually either inductive or optical sensors. The most common inductive sensors consist of a rod magnet on top of a magnetic pin that is surrounded by a fixed coil. This sensor is mounted a fixed distance from a ferromagnetic rotor with teeth. As the rotor turns and a tooth comes into the proximity of the rod, the magnetic flux in the coil changes. This change in flux results in a voltage pulse across the coil. The vehicle's engine control module counts these voltage pulses and computes the vehicle's speed. Optical sensors also generate pulses at a frequency corresponding to the rotor rotation, but instead of measuring magnetic flux, the optical sensor measures either reflected light or light allowed to pass through slits. When using an optical sensor the rotor either has light and dark marks for the optical sensor to detect the reflected light using photosensors, or a series of slits that allows light from an infrared source to pass through and be detected by a phototransistor on the other side.
- 1990 GMC S15 L4 2.5L RWD
- 1990 GMC S15 V6 2.8L RWD
- 1990 GMC S15 V6 4.3L RWD
- 1990-1991 GMC S15 Jimmy V6 4.3L RWD
- 1989-1990 GMC Safari L4 2.5L Located on Transmission
- 1989-1992 GMC Safari V6 4.3L Located on Transmission
- 1993-1995 GMC Safari V6 4.3L RWD
- 1994-1995 GMC Sonoma L4 2.2L RWD
- 1991-1993 GMC Sonoma L4 2.5L RWD
- 1991-1993 GMC Sonoma V6 2.8L RWD
- 1991-1995 GMC Sonoma V6 4.3L RWD
- 1992-1995 GMC Yukon V8 5.7L RWD
- 1994-1995 GMC Yukon V8 6.5L RWD
- 1994-1995 Pontiac Firebird V6 3.4L
- 1995 Pontiac Firebird V6 3.8L 1994-1995 Pontiac Firebird V8 5.7L
John / Joanna marin
Reviewed in the United States on February 2, 2025
What can I say. This product speaks for itself. It fit perfect in my vehicle and have had a problem with it since I installed it two years ago. The functionality was made with precision.
tiffany juarez
Reviewed in the United States on March 6, 2024
Fits my vehicle as should work as should
Customer
Reviewed in the United States on February 24, 2023
I thought I'd save the $35 buck difference and try this one, but makes a horrible clicking noise going in any direction. Mechanic even got out the grinder and did all he could, to shave it down but nothing worked. Got a new rubber gasket that goes around the outside for the old one for $6 from ACDelco, and put the old one back in. Just... get the ACDelco parts for these older Chevrolets, WHILE YOU CAN!
William Gilpin Jr.
Reviewed in the United States on August 20, 2022
Put this speed sensor in now makes a whiney noise! Not happy! At this point I wouldn't buy again and im a mechanic of 33 yrs!!!!!
jason R. Bartolett
Reviewed in the United States on July 24, 2022
This was listed as being compatible with my 1990 R2500 Suburban, however it is only compatible with a 4 speed transmission, not the 3 speed I have.
Ryan
Reviewed in the United States on June 8, 2022
My last two From Acdelco and one duralast both leaked after I installed them this one didn't sofar. And the price is right ✅️
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