Febi 21758 Back Up Light Switch

Febi Back Up Light Switch for Volkswagen

Febi part number 21758 is an electric back up light switch built for vehicles that use a press-activation design and an M12 x 1.5 outside thread. With 2 connections, it provides the signal needed to switch the reverse lamps on when the transmission is placed in reverse. This Febi switch is a direct-fit service part for select Volkswagen applications, including Golf, Jetta, and Lupo.

Key Features

• Back up light switch for reverse lamp operation
• Electric operating mode with press activation
• 2 electrical connections
• M12 x 1.5 outside thread
• Febi part number 21758
• Compatible with select Volkswagen Golf, Jetta, and Lupo applications

Product Details

Febi 21758 is designed for vehicles that rely on a transmission-mounted reverse light switch to complete the circuit for the backup lamps. The press-activation design responds to gear selector movement, helping restore proper reverse light function when the original switch is worn or no longer making consistent contact. This part is listed for 2005 Volkswagen Lupo with shift cable, and for 1985-2002 Volkswagen Golf plus 1983-1992 Volkswagen Jetta, with connector adjustment noted on some applications. Febi 21758 is also a useful reference when searching for a Volkswagen Golf reverse light switch, Volkswagen Jetta backup lamp switch, or Volkswagen Lupo reverse switch replacement.

This part cross-references OE-style numbers such as 020 941 521 A and 020 945 415 A for the same application.

Common Issues This Part Can Address

• Reverse lights do not illuminate when shifting into reverse
• Intermittent backup lamp operation
• Stuck or worn switch contacts inside the transmission switch
• Incorrect reverse light signal to the vehicle wiring circuit
• Need for a replacement Volkswagen Golf, Jetta, or Lupo back up light switch

Installation Notes and Tips

Verify the transmission thread size and connector style before installation. Some Volkswagen Golf and Jetta applications note that the connector may need adjustment, so compare the original electrical plug and switch orientation before final fitment. Confirm the vehicle is equipped with the listed shift-cable or transmission configuration before ordering Febi 21758.

Quality Assurance

Febi supplies OE-style replacement electrical components for service use, and this switch is built to match the specified electrical and thread requirements for the listed applications. Use the part number 21758 and the vehicle fitment details to confirm the correct reverse light switch before installation.