Standard Ignition SC20 Vehicle Speed Sensor

Vehicle Speed Sensor for Pontiac LeMans

Standard Ignition SC20 is a trans mount vehicle speed sensor built for direct replacement service on 1988-1993 Pontiac LeMans applications. It uses a female round plug-in connector with a 3-blade male terminal layout for straightforward electrical connection at the transmission.

Key Features

• Vehicle speed sensor for transmission-mounted applications
• Female round connector with plug-in design
• 3-terminal blade interface for secure signal transfer
• Built for 1988-1993 Pontiac LeMans fitment
• Standard Ignition SC20 part number for catalog matching

Product Details

Standard Ignition SC20 is engineered as a transmission-mounted speed sensor for the Pontiac LeMans, covering model years 1988 through 1993. The sensor is designed with controlled manufacturing from component to finished unit, supporting consistent electrical performance, durability, and long service life. For service professionals and repair shops, this makes SC20 a practical choice when replacing a worn or failed vehicle speed sensor on the Pontiac LeMans.

This part cross-references Dorman - HELP 31008 for the same application.

Common Issues It May Address

• Inaccurate vehicle speed signal to the control system
• Speedometer fluctuation or loss of speed reading
• Transmission shift concerns related to speed input
• Diagnostic trouble codes tied to vehicle speed sensor performance
• Intermittent electrical connection at the transmission sensor

Installation Notes

Install SC20 at the transmission mount location and verify the connector style matches the vehicle harness before replacement. Confirm the Pontiac LeMans year and application details against the vehicle service information, then inspect the connector terminals and surrounding wiring for wear, corrosion, or damage during service.

Quality Assurance

Standard Ignition states that its sensor manufacturing is controlled from component sourcing through final assembly, with emphasis on precision performance and durability. The brand also maintains broad catalog coverage for domestic and import service applications.