Standard Ignition BSC42 Battery Current Sensor

Battery Current Sensor for Honda Insight and CR-Z

Standard Ignition BSC42 is a battery current sensor for select Honda hybrid applications with an external regulator. It is built for 2010-2014 Honda Insight and 2011-2012 Honda CR-Z models, with fitment matched to the original electrical system layout.

• Battery current sensor for charging system monitoring
• Female connector with rectangular shape
• 1 connector, 9 male bullet terminals
• Direct fit for Honda Insight and Honda CR-Z applications with external regulator
• Standard Ignition BSC42 replacement part

Detailed Product Overview

This Standard Ignition battery current sensor is used in the charging and starting system to monitor current flow at the battery and support proper electrical control. The connector design includes a female rectangular connector interface with 9 male bullet terminals, matching the OE-style electrical connection used on the listed Honda hybrid vehicles. If you are replacing a failed Honda Insight battery current sensor or servicing a Honda CR-Z charging system, BSC42 provides a fitment-specific solution for the listed external regulator applications. This part cross-references Stop By Bendix SBC43 for the same application.

Common Issues This Part May Address

• Charging system warning lights related to battery current sensing
• Incorrect battery current signal to the vehicle control system
• Hybrid charging irregularities on listed Honda Insight and CR-Z models
• Electrical faults tied to a damaged sensor connector or terminal interface
• Replacement needs after sensor wear or corrosion at the battery monitoring circuit

Installation Notes and Tips

Verify the vehicle uses the external regulator configuration before installation. Match the connector shape, terminal count, and terminal style to the original sensor before connecting the harness. Confirm the part number BSC42 against the vehicle application and inspect the surrounding charging system wiring for damage or corrosion during service.

Quality Assurance

Standard Ignition is a recognized aftermarket brand for electrical and engine management components. BSC42 is listed with OE-style interchange references for the same application, including 1K520RBJ003 and CTB44.