Standard Ignition LS419 Back Up Light Switch

Back Up Light Switch for Ford Fiesta

Standard Ignition LS419 is a screw-in back up light switch built for direct replacement service on select Ford Fiesta models. It uses a metal and plastic construction with a female oval connector, two male blade terminals, and no wiring harness included.

Key Features

• Back up light switch for reverse lamp circuit operation
• Screw-in mounting and screw-in attachment method
• Metal finish with metal and plastic construction
• Female oval connector with 2 male blade terminals
• No gasket included
• Standard Ignition LS419 replacement part

Detailed Description

Standard Ignition LS419 is a back up light switch for 2011-2019 Ford Fiesta applications. It is used in the reverse light circuit to signal when the transmission is placed in reverse, helping restore proper backup lamp function when the original switch wears out or fails. The LS419 features a screw-in design, one female connector, and a two-terminal blade connection for straightforward electrical replacement on the Ford Fiesta platform.

This part cross-references Ford OE-style replacement numbers such as 6S6Z15520A and NS16728 for the same application. If you are searching for a Ford Fiesta back up light switch, Standard Ignition LS419 is the direct-fit part number to compare against your original switch.

What It Helps Fix

• Inoperative reverse lights
• Intermittent backup lamp operation
• Reverse lights staying off when shifted into reverse
• Faulty switch-related transmission reverse signal issues
• Replacement needs after electrical switch wear or contamination

Installation Notes and Tips

Verify connector shape, terminal style, and mounting style before installation. This LS419 back up light switch uses a screw-in mount and does not include a wiring harness or gasket, so reuse or source any required sealing components separately if your vehicle setup calls for them. Confirm the original part number and compare the connector and terminal layout to the removed switch before installing on a Ford Fiesta.

Quality Assurance

Standard Ignition supplies replacement electrical components for service applications, and LS419 is built to match the listed fitment for 2011-2019 Ford Fiesta models. Always confirm vehicle year and original switch configuration before ordering.