Standard Ignition LS423 Back Up Light Switch

Back Up Light Switch for Mazda 2

Standard Ignition LS423 is a screw-in back up light switch built with a metal finish and a metal/plastic body for direct electrical control of the reverse lamp circuit. It is a fitment-based replacement for select 2011-2014 Mazda 2 models and is a practical choice when the reverse lights stop working or operate intermittently.

Fits 2011-2014 Mazda 2, N/A. This part cross-references FC1917640 and NS16732 for the same application.

Key Features

• Back up light switch for reverse lamp circuit operation
• Screw-in mounting and screw-in attachment method
• Metal color/finish with metal and plastic construction
• 1 female connector with polygon shape
• 2 male blade terminals for electrical connection
• Standard Ignition LS423 replacement part number

Detailed Description

Standard Ignition LS423 is a back up light switch used to signal the vehicle’s reverse lighting system when the transmission is placed in reverse. The screw-in design, female connector, and blade terminal layout support a direct replacement style installation on select Mazda 2 applications. For buyers searching for a Mazda 2 back up light switch, reverse light switch, or Standard Ignition LS423, this part matches the listed 2011-2014 fitment range.

Compatible With 2011-2014 Mazda 2 models, this switch is intended for vehicles that use a screw-in reverse lamp switch with the specified connector and terminal configuration. The metal finish and mixed metal/plastic construction provide a serviceable OE-style replacement for the original electrical switch.

Common Problems This Part Can Address

• Reverse lights do not illuminate when the transmission is shifted into reverse
• Back up lamps work intermittently
• Faulty reverse signal to the lighting circuit
• Broken or worn switch threads on the original unit
• Electrical connection issues at the switch terminal interface

Installation Notes and Tips

Verify the connector shape, terminal count, and screw-in mounting style before installation. Confirm the vehicle is a 2011-2014 Mazda 2 and compare the original switch to LS423 for thread style and electrical layout. After installation, test the reverse lamps with the ignition on and the transmission in reverse to confirm proper operation.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and LS423 is built to match the listed fitment and connection requirements for the specified Mazda 2 models.