Standard Ignition S-572 Side Marker Light Socket - Front or Rear

Side Marker Light Socket for Ford and Mercury Applications

Standard Ignition S-572 is a side marker light socket built for electrical repair work where a worn or damaged socket causes lighting problems. It uses high-grade materials to support strong conductivity and consistent connections in the vehicle lighting circuit.

Compatible with a wide range of Ford, Lincoln, Mercury, and Cadillac applications from 1981-1990, including Ford Escort, Bronco, F-150, Ranger, and Mercury Cougar. Standard Ignition S-572 is a direct-fit electrical socket solution for side marker and related lighting repairs.

Key Features

• Female connector with 1 connector interface
• Male terminal with wire lead terminal type
• 2-wire configuration for lighting circuit repair
• Built for side marker light socket applications
• Made with materials selected for conductivity and secure electrical contact
• Cross-references Champion Spark Plug 409 for the same application

Application Details

This Standard Ignition S-572 socket is used in electrical and body lighting repairs where the original socket has failed, corroded, or lost proper terminal contact. It is listed for 1981-1990 Ford Escort, 1984-1989 Ford Bronco, 1984-1989 Ford F-150, 1981-1989 Mercury Cougar, and other Ford, Lincoln, Mercury, and Cadillac models with the specified cornering light or stamping-number applications. For buyers searching for a Ford Escort side marker light socket, Ford F-150 electrical socket, or Mercury Cougar lighting socket, S-572 provides a focused replacement option.

What It Can Help Fix

• Intermittent or inoperative side marker lighting
• Corroded or heat-damaged socket terminals
• Poor bulb contact caused by worn socket internals
• Broken wiring connection at the lamp socket
• Lighting faults on Ford, Lincoln, Mercury, and Cadillac body electrical circuits

Installation Notes and Tips

Verify connector style, terminal orientation, and vehicle-specific notes before installation. This part is listed for applications such as 1981-1990 Ford Escort with cornering lights, 1984-1989 Ford Bronco with Stamping No. 20.85, and 1981-1989 Mercury Cougar. Match the socket to the original connector and confirm the lamp position and notes on the vehicle before wiring.

Quality Assurance

Standard Ignition offers a broad range of pigtails and sockets developed for electrical repair needs, using materials chosen to maintain conductivity and dependable connections. The brand’s product development focuses on replacing failed original equipment sockets with service parts that address common failure points.