HomeElectrical, Lighting and Body > SensorsStandard Ignition SC686 Vehicle Speed Sensor
Part #: SC686

Standard Ignition SC686 Vehicle Speed Sensor

28 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Fitment: Subaru, Tribeca, Legacy, Impreza, and Forester
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Overview of Standard Ignition Vehicle Speed Sensor SC686

The Standard Ignition Vehicle Speed Sensor SC686 is designed for precise speed measurement on select Subaru models. Engineered to mount securely on the transmission, this sensor ensures reliable data transmission for vehicle speed monitoring.

  • Connector Gender: Female
  • Single rectangular plug-in connector
  • Bolt mount installation on transmission
  • Three male pin terminals for secure electrical connection
  • Compatible with Subaru Forester, Impreza, Legacy, and Tribeca

Detailed Product Features and Specifications

This vehicle speed sensor features a female connector with a rectangular shape, designed for a plug-in connection type that simplifies installation and maintenance. The sensor mounts directly on the transmission using a bolt mount method, providing a stable and secure fit. It includes three male pin terminals, ensuring consistent electrical contact and accurate speed signal transmission. The SC686 part number corresponds specifically to this configuration, making it suitable for Subaru vehicles such as the Forester, Impreza, Legacy, and Tribeca models.

Compatible Subaru Models and Applications

The Standard Ignition SC686 vehicle speed sensor is compatible with multiple Subaru models, including the Forester, Impreza, Legacy, and Tribeca. This compatibility ensures that the sensor meets the specific electrical and mechanical requirements of these vehicles, providing accurate speed data essential for transmission control and speedometer operation.

Common Issues Addressed by the Vehicle Speed Sensor SC686

  • Erratic or non-functional speedometer readings
  • Transmission shifting problems or delayed gear changes
  • Check engine light triggered by speed sensor faults
  • Inaccurate vehicle speed data affecting cruise control
  • Intermittent loss of speed signal during driving

Installation Notes and Tips

When installing the SC686 vehicle speed sensor, ensure the bolt mount location on the transmission is clean and free of debris. Align the rectangular female connector carefully to avoid damaging the pins. Tighten mounting bolts to manufacturer torque specifications to prevent sensor movement. Verify electrical connections are secure and free from corrosion before completing installation.

Quality Assurance and Warranty Information

Standard Ignition parts, including the SC686 vehicle speed sensor, are manufactured to meet or exceed OEM specifications. This sensor undergoes rigorous quality control to ensure durability and reliable performance. Warranty coverage details should be confirmed with the product documentation or supplier, typically offering protection against defects in materials and workmanship.

BrandStandard Ignition
Part NumberSC686
Connector GenderFemale
Connector ShapeRectangular
Connector TypePlug In
Mounting LocationOn Transimission
Mounting TypeBolt Mount
Terminal GenderMale
Terminal TypePin

This part fits 28 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2014SubaruTribecaAutomaticN/A
2013SubaruTribecaAutomaticN/A
2012SubaruLegacyAutomaticN/A
2012SubaruTribecaAutomaticN/A
2011SubaruImprezaAutomaticN/Aw/o Harness
2011SubaruLegacyAutomaticN/A
2011SubaruTribecaAutomaticN/A
2010SubaruForesterAutomaticN/Aw/o Harness
2010SubaruImprezaAutomaticN/Aw/o Harness
2010SubaruLegacyAutomaticN/A
2010SubaruTribecaAutomaticN/A
2009SubaruForesterAutomaticN/Aw/o Harness
2009SubaruImprezaAutomaticN/Aw/o Harness
2009SubaruLegacyAutomaticN/Aw/o Harness
2009SubaruTribecaAutomaticN/A
2008SubaruForesterAutomaticN/Aw/o Harness
2008SubaruImprezaAutomaticN/Aw/o Harness
2008SubaruLegacyAutomaticN/Aw/o Harness
2008SubaruTribecaAutomaticN/A
2007SubaruForesterAutomaticN/Aw/o Harness
2007SubaruImprezaAutomatic2.5LH4N/Aw/o Harness
2007SubaruLegacyAutomatic2.5LH4N/Aw/o Harness
2006SubaruForesterAutomaticN/Aw/o Harness
2006SubaruImprezaAutomatic2.5LH4N/Aw/o Harness
2006SubaruLegacyAutomatic2.5LH4N/Aw/o Harness
2005SubaruForesterAutomaticN/Aw/o Harness
2005SubaruImprezaAutomatic2.5LH4N/Aw/o Harness
2005SubaruLegacyAutomatic2.5LH4N/Aw/o Harness

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

31937AA071SN8388VSS1220VSSA206

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.