Standard Ignition S-721 Wiring Relay Connector

Wiring Relay Connector for OE-Style Repairs

Standard Ignition S-721 is a male square wiring relay connector with a 4-terminal blade layout and pigtail assembly construction. It is built for electrical repair work where a damaged relay connector, brittle plug, or failed terminal connection needs to be replaced with a direct-fit service part.

Compatible With a wide range of Chevrolet, GMC, Dodge, Jeep, Buick, Cadillac, Pontiac, Saturn, Nissan, Geo, Oldsmobile, and Hummer applications, this connector is commonly used in relay, steering column, clutch cut-off, latch release, and auxiliary wiring repairs. Standard Ignition S-721 is also a direct cross-reference for common OE and aftermarket numbers used in the same applications.

Key Features

• Male connector gender with a square connector shape
• 4-terminal blade style with female terminals
• Pigtail assembly for electrical service and connector replacement
• Built with high-grade materials for strong conductivity and consistent contact
• Designed for repair work where original equipment connectors fail from heat, wear, or corrosion
• Fits many GM truck, van, SUV, and passenger car applications from 1980 through 2007

Detailed Description

The Standard Ignition S-721 wiring relay connector is engineered for technicians and do-it-yourself repairs that require a reliable replacement for a worn or damaged electrical connector. Its square housing and blade-terminal design support secure mating and stable electrical contact, helping restore proper relay function in vehicles such as the Chevrolet C1500, GMC Sierra 1500, and Jeep Wrangler. Standard Ignition S-721 cross-references to OE and aftermarket part numbers including 1P1260 and 57-4707 for the same application.

Standard Ignition focuses on pigtails and sockets for electrical jobs, using materials selected to maintain conductivity and dependable connections. This makes the S-721 a practical choice for restoring factory-style wiring integrity in older GM platforms and other listed vehicles.

Common Repair Uses

• Broken or heat-damaged relay connector housing
• Corroded or loose blade-terminal connections
• Intermittent electrical operation at the relay or harness
• Failed steering column wiring harness connector service on select GMC trucks
• Latch release, clutch cut-off, or auxiliary circuit connector replacement

Installation Notes and Fitment Tips

Fits 2006-2007 Hummer H3, N/A. Fits 2005 Dodge Ram 1500, N/A. Fits 2002 Chevrolet Prizm, N/A. Fits 2001-2002 GMC Sierra 1500, N/A. Fits 2001-2002 GMC Sierra 1500 HD, N/A. Fits 2001-2002 GMC Sierra 2500, N/A. Fits 2001-2002 GMC Sierra 2500 HD, N/A. Fits 2001-2002 GMC Sierra 3500, N/A. Fits 2001 Dodge Ram 1500 Van, N/A. Fits 2001 Dodge Ram 1500 Van, N/A, w/ Skirt. Fits 2001 Dodge Ram 2500 Van, N/A. Fits 2001 Dodge Ram 2500 Van, N/A, w/ Skirt. Fits 2001 Dodge Ram 3500 Van, N/A. Fits 2001 Dodge Ram 3500 Van, N/A, w/ Skirt. Fits 1998-2000 Chevrolet Metro, N/A. Fits 2000 Chevrolet Suburban 1500, N/A. Fits 2000 Chevrolet Suburban 2500, N/A. Fits 2000 Chevrolet Tahoe, N/A.

Before installation, compare the connector shape, terminal style, and wire count to the original part. Verify the vehicle-specific notes in the fitment list, especially applications marked for steering column wiring harness use, AC control, latch release actuator, clutch cut-off relay, or skirted housings. Match the existing harness routing and terminal orientation before final connection.

Quality Assurance

Standard Ignition builds this connector using high-grade materials and decades of electrical component development focused on technician needs. The design is intended to address common failure points found in original connectors and restore dependable electrical contact in the listed applications.