Standard Ignition S3039 Roof Marker Light Connector

Roof Marker Light Connector for Ford and Lincoln

Standard Ignition S3039 is a roof marker light connector built for select Ford and Lincoln vehicles that use a 3-terminal blade-style electrical connection. It features a rectangular connector shape, 18-gauge wiring, and a 300 mm harness length for service replacement on roof marker light circuits.

Compatible with applications such as Ford Transit-150, Transit-250, Transit-350, Explorer, Flex, Taurus, Expedition, Edge, F-150, F-250 Super Duty, and F-350 Super Duty, this Standard Ignition S3039 connector supports direct electrical repair where the original roof marker light plug has failed or deteriorated.

• Male connector with rectangular housing
• 3-terminal blade design with female terminals
• 18 ga. wire and 300 mm harness length
• Weatherproof sealed construction
• Single connector configuration for roof marker light service

Detailed Product Overview

Standard Ignition S3039 is a roof marker light connector used in exterior lighting repair on Ford and Lincoln vehicles. The sealed housing helps maintain a secure electrical connection at the roof marker light circuit, while the 3-wire, 18-gauge harness layout matches common OE-style service needs. This connector is a practical replacement when the original roof marker light connector is damaged, corroded, or no longer locking properly.

This part cross-references Ford OE-style service numbers such as 3U2Z14S411ENAA and aftermarket references including EC3069 for the same application.

Common Repair Uses

• Broken or cracked roof marker light connector housing
• Corroded terminals causing intermittent marker light operation
• Damaged wiring near the roof-mounted lighting harness
• Loose electrical contact at the exterior marker lamp connection
• Failed connector retention at the roof light circuit

Installation Notes and Tips

Inspect the mating terminals and surrounding harness before installation to confirm the repair is limited to the connector. Match the wire positions carefully to the existing roof marker light circuit, and verify a solid terminal lock after assembly. Because this connector is not weather resistant, proper routing and sealing of the repaired harness area are important for long-term service.

Quality Assurance

Standard Ignition electrical connectors are built for service replacement applications and are specified to match the listed connector style, terminal layout, and harness dimensions for the vehicles shown.