Standard Ignition S-726 Headlight Dimmer Switch Connector

Headlight Dimmer Switch Connector for OE Repairs

Standard Ignition S-726 is a headlight dimmer switch connector built for electrical repair work on a wide range of GM, Jeep, Buick, Oldsmobile, and Pontiac applications. It uses high-grade materials to support strong conductivity and reliable terminal contact where the original connector has heat damage, corrosion, or broken locking tabs.

Compatible With 1982-1999 Chevrolet S10, Blazer, Astro, C/K trucks, P30, and related GMC, Jeep, Buick, Oldsmobile, and Pontiac models, this connector is a direct-fit electrical service part for dimmer switch wiring repairs. Standard Ignition S-726 is also a common replacement for several cross-reference numbers used in the same application.

Key Features

• Headlight dimmer switch connector with male connector gender and female blade terminals
• 5-terminal, 5-wire design for OE-style electrical repair
• 6 1/2 in. harness length for service replacement routing
• Built with materials selected to maintain conductivity and terminal integrity
• Suitable for repair of damaged, overheated, or corroded switch connectors

Detailed Description

Standard Ignition S-726 is engineered for technicians replacing a failed headlight dimmer switch connector on vehicles such as the Chevrolet S10, GMC Jimmy, GMC Sonoma, and Chevrolet C/K series trucks. It also covers many Buick Century, Oldsmobile Cutlass Ciera, Pontiac Firebird, and Jeep Wrangler applications listed in the fitment data. The connector is designed around a 5-terminal blade layout to match the original electrical interface and restore a secure connection at the switch.

This part cross-references Airtex Fuel Pumps 578 and Monroe Shocks & Struts 1P1187 for the same application.

What It Helps Fix

• Intermittent or failed headlight dimmer switch operation
• Heat-damaged connector bodies at the switch harness
• Corroded or loose terminal contact
• Broken connector locking features
• Electrical continuity issues caused by worn pigtail wiring

Installation Notes and Tips

Verify the connector style, terminal count, and harness routing before installation. This S-726 connector uses female blade terminals and a 6 1/2 in. harness, so compare the original plug and wire layout to the vehicle harness before splicing. For best results, inspect the mating switch terminals for heat damage or pitting and repair any damaged wiring before final connection.

Fits 1996-1999 Chevrolet P30, 1996-1999 GMC P3500, 1992-1997 Chevrolet Blazer, 1996-1997 Chevrolet S10, 1983-1993 Chevrolet S10, 1996-1997 GMC Jimmy, 1992-1993 GMC Jimmy, 1996-1997 GMC Sonoma, 1991-1993 GMC Sonoma, 1996-1997 Oldsmobile Bravada, 1991-1993 Oldsmobile Bravada, 1984-1996 Buick Century, 1982-1996 Oldsmobile Cutlass Ciera, 1985-1995 Chevrolet Astro, 1991-1995 Chevrolet P30, 1994-1995 Chevrolet S10, 1995 GMC Jimmy, 1991-1995 GMC P3500, 1985-1995 GMC Safari, 1994-1995 GMC Sonoma, 1987-1995 Jeep Wrangler, 1988-1994 Chevrolet C1500, 1992-1994 Chevrolet C1500 Suburban, 1988-1994 Chevrolet C2500, 1992-1994 Chevrolet C2500 Suburban, 1988-1994 Chevrolet C3500, 1988-1994 Chevrolet K1500, 1992-1994 Chevrolet K1500 Suburban, 1988-1994 Chevrolet K2500, 1992-1994 Chevrolet K2500 Suburban, 1988-1994 Chevrolet K3500, 1994 Chevrolet S10 Blazer, 1988-1994 GMC C1500, 1992-1994 GMC C1500 Suburban, 1988-1994 GMC C2500, 1992-1994 GMC C2500 Suburban, 1988-1994 GMC C3500, 1994 GMC Jimmy, 1988-1994 GMC K1500, 1992-1994 GMC K1500 Suburban, 1988-1994 GMC K2500, 1992-1994 GMC K2500 Suburban, 1988-1994 GMC K3500, 1992-1994 GMC Yukon, 1994 Oldsmobile Bravada, 1994 Oldsmobile Cutlass Cruiser, 1985-1993 Chevrolet S10 Blazer, 1993 Jeep Grand Wagoneer, 1986-1991 Jeep Grand Wagoneer, 1992-1993 Oldsmobile 88, 1986-1993 Oldsmobile 98, 1987-1993 Oldsmobile Cutlass Cruiser, 1982-1983 Oldsmobile Cutlass Cruiser, 1991-1992 Oldsmobile Custom Cruiser, 1982-1992 Pontiac Firebird, 1989-1991 Chevrolet R3500, 1989-1991 Chevrolet V3500, 1988-1991 GMC R3500, 1986-1991 GMC S15 Jimmy, 1988-1991 GMC V3500, 1986-1991 Oldsmobile Delta 88, 1990-1991 Pontiac Bonneville, 1990 Chevrolet Caprice, 1985-1990 Chevrolet Cavalier, 1990 GMC C1500, 1990 GMC C2500, 1990 GMC C3500, 1990 GMC K2500, 1990 GMC K3500, 1990 GMC R3500, 1986-1990 GMC S15, 1990 GMC V3500, 1986-1989 Buick Skyhawk, 1985-1989 Chevrolet Caprice, 1989 Chevrolet R2500, 1988-1989 GMC R2500, 1987-1989 Pontiac Bonneville, 1988 Chevrolet R20, 1988 Chevrolet R30, 1988 Chevrolet V30, 1986-1988 Jeep J10, 1986-1988 Jeep J20, 1988 Oldsmobile Cutlass Supreme, 1982-1988 Oldsmobile Firenza, 1984-1988 Pontiac Fiero, 1984-1987 Buick Regal, 1985-1987 Oldsmobile Cutlass, 1985-1987 Oldsmobile Cutlass Salon, 1982-1987 Oldsmobile Cutlass Supreme, 1985 Chevrolet Impala, 1985 Oldsmobile 98, 1982-1984 Oldsmobile Cutlass Calais, and 1983-1984 Oldsmobile Omega.

Quality Assurance

Standard Ignition focuses on pigtails and sockets for electrical repair, using high-grade materials and application-driven development to address common original-equipment connector failure points. S-726 follows that approach with an OE-style terminal layout and service-ready harness design.