Standard Ignition S-1399 Headlight Dimmer Switch Connector

Headlight Dimmer Switch Connector for GM Vehicles

Restore a secure electrical connection with this Standard Ignition headlight dimmer switch connector, part number S-1399. Built with high-grade materials for strong conductivity and consistent terminal contact, it is a practical repair solution for worn, heat-damaged, or broken factory connectors.

Compatible with a wide range of Chevrolet, GMC, Cadillac, Buick, Pontiac, Saturn, Hummer, Oldsmobile, Saab, and Isuzu applications, including many GM truck, van, and passenger car platforms.

Key Features

• Standard Ignition S-1399 connector for electrical repair work
• Male connector with 5 female pin socket terminals
• 15-inch harness length for repair and splice applications
• Includes butt splices for wire-to-wire connection work
• Built for dependable conductivity and a secure terminal fit
• Cross-references PT898 and PTA2137 for the same application

Detailed Description

The S-1399 is a 5-wire connector assembly used in electrical connector repair where the original plug has failed, overheated, or lost terminal tension. Standard Ignition uses quality materials and application-focused engineering to help restore proper signal transfer and stable connection performance. This makes it a direct-fit repair choice for vehicles such as the Chevrolet Express, GMC Savana, Chevrolet Silverado, GMC Sierra, Cadillac Escalade, and Chevrolet Tahoe, among many others listed in the fitment data.

For buyers searching for a headlight dimmer switch connector, 5-terminal female connector, or GM electrical pigtail replacement, this part provides a clean repair path without needing to rebuild damaged wiring from scratch. The 15-inch harness gives added working length for routing and splicing during service.

What It Helps Fix

• Broken or heat-damaged headlight dimmer switch connector terminals
• Intermittent lighting or switch signal loss caused by poor terminal contact
• Corroded or melted factory connector housings
• Damaged wiring at the connector end during electrical repair
• Failed GM pigtail connections on trucks, vans, and passenger vehicles

Installation Notes and Tips

• Verify connector gender, terminal count, and wire count before installation.
• Match the vehicle-specific notes in the fitment list, especially where multiple connectors are required.
• Use proper splice and crimp practices to maintain conductivity and strain relief.
• Inspect the mating switch or module for heat damage before installing the new connector.
• Confirm the application on vehicles such as Chevrolet Silverado, GMC Sierra, and Chevrolet Express before wiring repair.

Quality Assurance

Standard Ignition builds its pigtails and sockets with technician-focused design and high-grade materials to support reliable electrical repair. The brand’s long-running development in automotive electrical components is reflected in the connector’s fit, terminal design, and repair-oriented construction.