Vemo V40-73-0046 Back Up Light Switch

Back Up Light Switch for GM Applications

The Vemo V40-73-0046 back up light switch is an OE-style electrical replacement for vehicles that need a reliable reverse lamp signal. It is built with a black housing, 2 poles, and an M 12x1.5 thread size for direct-fit service on listed Chevrolet, Buick, and Saab applications.

Compatible with Chevrolet Cruze, Sonic, and Trax, as well as Buick Regal and Verano and Saab 9-3 models, this switch supports reverse light operation when the transmission is placed in reverse. The VEMO line focuses on practical replacement parts for electrical and body systems, and this part number is V40-73-0046.

Key Features

• Back up light switch for reverse lamp circuit control
• Vemo V40-73-0046 OE-style replacement part
• 2-pole electrical design
• M 12x1.5 thread size
• Black housing
• Dimensions: 64 mm length, 24.5 mm width, 24.5 mm height
• Supplied without mounting parts

Detailed Description

This VEMO back up light switch is specified for a range of GM and Saab vehicles, including 2011-2018 Chevrolet Cruze, 2012-2018 Chevrolet Sonic, 2017-2018 Chevrolet Trax, 2011-2016 Buick Regal, 2013-2016 Buick Verano, 2016 Chevrolet Cruze Limited, 2013-2015 Chevrolet Trax, and 2003-2006 and 2009-2011 Saab 9-3. The V40-73-0046 part number should be matched to the vehicle’s transmission switch application and connector style before installation.

This part cross-references OE-style numbers such as 12 39 109 and 55 583 570 for the same application.

Common Issues This Part May Resolve

• Reverse lights not illuminating when the transmission is shifted into reverse
• Intermittent back up lamp operation
• Faulty reverse signal to the vehicle lighting circuit
• Transmission switch wear affecting reverse light activation
• Electrical contact issues at the back up light switch

Installation Notes and Tips

Verify the thread size, connector layout, and transmission application before installation. This switch is listed without mounting parts, so reuse or source any required vehicle-specific hardware separately. Confirm the replacement matches the original V40-73-0046 application and inspect the surrounding wiring and connector for corrosion or damage during service.

Quality Assurance

VEMO parts are cataloged as replacement components for electrical, lighting, and body systems, with fitment coverage across multiple Chevrolet, Buick, and Saab platforms. Use the confirmed vehicle listing to verify application before ordering.