/live/media/SI/SI_S1593_Fro.jpg)
OE Quality
60-Day Returns
Standard Ignition S-1593 4WD Switch Connector
Standard Ignition S-1593 4WD Switch Connector
Standard Ignition S-1593 is a 4WD switch connector built for electrical repair work where a damaged factory connector can interrupt circuit continuity. It uses high-grade materials to support reliable conductivity and secure terminal contact for service on Chevrolet, GMC, Buick, Pontiac, and Corvette applications.
Key Features
- Female connector housing with male blade terminals
- 2-wire design for straightforward electrical repair
- Includes butt splices for wire-to-wire connection work
- Built for electrical connectors, lighting, and body repair applications
- Standard Ignition part number S-1593 for direct catalog lookup
Application Details
This Standard Ignition S-1593 connector is used in vehicle electrical repair where the original connector has heat damage, corrosion, broken locking tabs, or terminal wear. It is listed for 1988-2000 Chevrolet and GMC truck and SUV applications, including Fits 1999-2000 Chevrolet Silverado 1500, Fits 1989-1999 Chevrolet K1500, Fits 1992-1995 Chevrolet K1500 Suburban, Fits 1992-1995 Chevrolet K2500, Fits 1989-1990 Chevrolet K2500, Fits 1992-1995 Chevrolet K2500 Suburban, Fits 1992-1995 Chevrolet K3500, Fits 1989-1990 Chevrolet K3500, Fits 1995 Chevrolet Tahoe, Fits 1992-1995 GMC K1500 Suburban, Fits 1992-1995 GMC K2500, Fits 1989-1990 GMC K2500, Fits 1992-1995 GMC K2500 Suburban, Fits 1992-1995 GMC K3500, Fits 1989-1990 GMC K3500, Fits 1992-1995 GMC Yukon, and Fits 1992-1994 Chevrolet Blazer. It also covers select passenger and performance models such as Fits 1991 Buick Reatta, Fits 1990-1991 Pontiac Sunbird, Fits 1990 Chevrolet Corvette, and Fits 1990 Pontiac Firebird.
This part cross-references ACDelco-style and OE service numbers such as 12126453 and PT1091 for the same application.
What It Helps Repair
- Intermittent 4WD switch signal loss
- Broken or loose connector terminals
- Corrosion at the electrical connection point
- Heat-damaged or brittle factory plug housings
- Wiring repairs after connector failure
Installation Notes and Tips
Match the connector gender, terminal style, and wire count before installation. Verify the vehicle harness condition, trim back damaged wire only as needed, and use proper crimping and sealing practices when joining the replacement connector to the existing circuit. Confirm terminal alignment and locking engagement before returning the vehicle to service.
Quality Assurance
Standard Ignition designs its pigtails and sockets with technician-focused service needs in mind, using materials selected to support conductivity and dependable electrical contact. The S-1593 is engineered as a service replacement for original connector failure points in GM truck and SUV electrical systems.
| Brand | Standard Ignition |
|---|---|
| Part Number | S-1593 |
| Connector Gender | Female |
| Connector Quantity | 1 |
| Contents | Includes butt splices |
| Terminal Gender | Male |
| Terminal Quantity | 2 |
| Terminal Type | Blade terminals |
| Wire Quantity | 2 |
This part fits 104 vehicles. Search below:
| Year | Make | Model | Drive Type | Position | Notes |
|---|---|---|---|---|---|
| 2000 | Chevrolet | Silverado 1500 | N/A | ||
| 1999 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1999 | Chevrolet | Silverado 1500 | N/A | ||
| 1999 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1998 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1998 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1997 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1997 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1996 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1996 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | Chevrolet | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | Chevrolet | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | Chevrolet | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | Chevrolet | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | Chevrolet | Tahoe | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | GMC | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | GMC | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | GMC | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | GMC | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1995 | GMC | Yukon | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | Blazer | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | Chevrolet | P30 | N/A | ||
| 1994 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | GMC | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | GMC | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | GMC | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | GMC | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1994 | GMC | P3500 | N/A | ||
| 1994 | GMC | Yukon | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | Blazer | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | Chevrolet | P30 | N/A | ||
| 1993 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | GMC | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | GMC | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | GMC | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | GMC | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1993 | GMC | P3500 | N/A | ||
| 1993 | GMC | Yukon | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | Blazer | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | Chevrolet | P30 | N/A | ||
| 1992 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | GMC | K1500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | GMC | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | GMC | K2500 Suburban | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | GMC | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1992 | GMC | P3500 | N/A | ||
| 1992 | GMC | Yukon | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1991 | Buick | Reatta | N/A | ||
| 1991 | Chevrolet | K1500 | 4WD | N/A | |
| 1991 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1991 | Chevrolet | P30 | N/A | ||
| 1991 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1991 | GMC | P3500 | N/A | ||
| 1991 | Pontiac | Sunbird | N/A | ||
| 1990 | Chevrolet | Corvette | N/A | ||
| 1990 | Chevrolet | K1500 | 4WD | N/A | |
| 1990 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1990 | Chevrolet | K2500 | 4WD | N/A | |
| 1990 | Chevrolet | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1990 | Chevrolet | K3500 | 4WD | N/A | |
| 1990 | Chevrolet | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1990 | GMC | K1500 | 4WD | N/A | |
| 1990 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1990 | GMC | K2500 | 4WD | N/A | |
| 1990 | GMC | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1990 | GMC | K3500 | 4WD | N/A | |
| 1990 | GMC | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1990 | Pontiac | Firebird | N/A | ||
| 1990 | Pontiac | Sunbird | N/A | ||
| 1989 | Chevrolet | K1500 | 4WD | N/A | |
| 1989 | Chevrolet | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1989 | Chevrolet | K2500 | 4WD | N/A | |
| 1989 | Chevrolet | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1989 | Chevrolet | K3500 | 4WD | N/A | |
| 1989 | Chevrolet | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1989 | GMC | K1500 | 4WD | N/A | |
| 1989 | GMC | K1500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1989 | GMC | K2500 | 4WD | N/A | |
| 1989 | GMC | K2500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1989 | GMC | K3500 | 4WD | N/A | |
| 1989 | GMC | K3500 | 4WD | N/A | Trunk Lid Release Actuator Solenoid Connector |
| 1988 | Chevrolet | K1500 | 4WD | N/A | |
| 1988 | Chevrolet | K2500 | 4WD | N/A | |
| 1988 | Chevrolet | K3500 | 4WD | N/A | |
| 1988 | GMC | K1500 | 4WD | N/A | |
| 1988 | GMC | K2500 | 4WD | N/A | |
| 1988 | GMC | K3500 | 4WD | N/A |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.