Standard Ignition S-591 Brake / Tail / Turn Signal Light Connector

Brake, Tail, and Turn Signal Connector

Standard Ignition S-591 is a male brake, tail, and turn signal light connector built for electrical repair work where the original connector has failed. It uses a 2-terminal, 2-wire layout with a 17-inch harness length to support clean replacement on select GM applications, including 1999 Chevrolet Astro, 1999 Chevrolet Blazer, 1999 Chevrolet S10, 1999 Chevrolet Silverado, 1999 Chevrolet Silverado 1500, 1999 Chevrolet Silverado 2500, 1999 Chevrolet Suburban 1500, 1999 Chevrolet Tahoe, and 1999 GMC Savana 1500.

Key Features

• Male connector for brake, tail, and turn signal light circuits
• 2 terminals and 2 wires for straightforward electrical repair
• 17-inch harness length for routing and splice flexibility
• Built with high-grade materials for strong conductivity and consistent contact
• Standard Ignition S-591 for select 1999 Chevrolet and GMC light-duty applications

Detailed Description

This Standard Ignition S-591 connector is intended for technicians replacing damaged or heat-affected lighting connectors on rear lamp circuits. It is a direct-fit style electrical connector for 1999 Chevrolet Astro, Blazer, S10, Silverado, Silverado 1500, Silverado 2500, Suburban 1500, Tahoe, and 1999 GMC Savana 1500 applications. Standard Ignition focuses on connector designs that address common OE failure points, using materials selected to maintain conductivity and secure terminal contact in demanding electrical environments. This part cross-references LS6251 for the same application.

Common Repair Uses

• Broken or melted brake light connector housing
• Intermittent tail lamp operation caused by poor terminal contact
• Turn signal circuit issues from corrosion or heat damage
• Worn pigtail wiring at the rear lamp connector
• Electrical repair after connector failure on GM truck and SUV lighting circuits

Installation Notes and Tips

Verify connector gender, terminal count, and wire count before installation. Match the existing harness routing and confirm proper wire-to-wire splicing for the brake, tail, and turn signal circuit. Inspect the lamp socket, terminals, and surrounding wiring for heat damage or corrosion before completing the repair. Confirm fitment by vehicle year, make, and model before ordering.

Quality Assurance

Standard Ignition draws on long-term electrical component development and technician-focused design practices to produce replacement connectors that address common failure conditions in original equipment parts.