Standard Ignition S-1640 Junction Block Connector

Junction Block Connector for Electrical Repairs

Standard Ignition S-1640 is a junction block connector built for electrical repair work where a secure blade-terminal connection is needed. It uses high-grade materials to support strong conductivity and consistent contact in demanding underhood and body electrical applications.

Compatible With 1995-2005 Buick Park Avenue, 1995-1997 Oldsmobile Cutlass and Cutlass Supreme, 1996-1998 Chevrolet Express and GMC Savana vans, and other listed GM applications, this connector supports direct repair of damaged factory junction block wiring. Standard Ignition S-1640 is also cross-referenced to Hayden 1236 for the same application.

Key Features

• Male junction block connector design
• Blade terminal interface for secure electrical contact
• Female terminal configuration with blade terminals
• Includes butt splices for wire repair work
• Built with materials selected for conductivity and connection integrity
• OE-style replacement for listed GM vehicle applications

Detailed Product Overview

This Standard Ignition junction block connector is engineered for technicians replacing a failed connector at the electrical junction point. The S-1640 is designed around the original connector style used on multiple Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, including Camaro, Corvette, Firebird, Grand Prix, Montana, Silhouette, and Express/Savana vans. Standard Ignition applies long-running electrical component development to address common connector failure points and restore a dependable circuit connection.

Use S-1640 when the original connector body is heat-damaged, corroded, loose, or no longer making reliable terminal contact. The blade-terminal layout and included butt splices support a clean repair on the affected harness side while maintaining the factory-style connection at the junction block.

Common Problems This Part Can Address

• Intermittent electrical connection at the junction block
• Heat damage or melting at the original connector
• Corrosion at the terminal interface
• Broken or loose connector housing
• Open circuit caused by damaged wiring at the connector

Installation Notes and Tips

Verify the original connector style, terminal count, and wire layout before installation. Match the vehicle application to the listed fitment and confirm the junction block location on the harness before cutting or splicing. Use proper electrical repair practices, ensure terminals are fully seated, and check circuit continuity after installation.

Quality Assurance

Standard Ignition focuses on electrical replacement parts built to restore reliable connections in applications where the original component has failed. The S-1640 is manufactured with attention to conductivity, terminal fit, and repair accuracy for the listed vehicles.