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Standard Ignition SLS-173 Brake Light Switch
| Brand | Standard Ignition SLS-173 |
|---|---|
| Connector Gender | Female |
| Terminal Gender | Male |
| Terminal Type | Blade Terminals |
| Fits | GMC and Chevrolet · 16 vehicles |
OE-quality construction. Built with brass or high-impact composite housings for durability.
Reduced arcing design. Special spring and contact arrangement helps extend service life.
Copper alloy conductors. Deliver strong conductivity with low resistive losses.
Cross-references 1S5203, 53-54472 and 15644318 for the same application. See all 7.
Brake Light Switch for GMC P3500 and Chevrolet P30
Standard Ignition SLS-173 is a brake light switch built for dependable stoplamp signal control in service applications. It uses a 2-terminal blade design with a female connector and male terminals, and it is engineered for direct replacement use on select Chevrolet P30 and GMC P3500 models.
Key Features
- Brake light switch for stoplamp circuit operation
- Female connector with 2 connector positions
- Male blade terminals for secure electrical connection
- Brass or high-impact composite housing design, depending on application
- Spring and contact arrangement designed to reduce arcing
- Copper alloy conductors for strong electrical conductivity and low resistive loss
- 100% tested for mechanical and electrical switching performance
Detailed Description
The Standard Ignition SLS-173 brake light switch is designed to restore consistent brake pedal signal transfer to the vehicle lighting circuit. Built with durable materials and tested through the manufacturing process, this switch supports reliable stoplight operation on 1991-1992 Chevrolet P30, 1993-1996 Chevrolet P30 with 4 Term. notes, 1991-1992 GMC P3500, 1993-1996 GMC P3500 with 4 Term. notes, and 1997 GMC P3500 applications. If you are searching for a brake light switch for Chevrolet P30 or GMC P3500 service work, SLS-173 provides a direct-fit replacement option for the listed vehicles.
This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
What It Helps Fix
- Brake lamps that do not illuminate when the pedal is pressed
- Intermittent stoplight operation
- Delayed or inconsistent brake signal switching
- Electrical contact wear in the brake light circuit
- Replacement needs on aging Chevrolet P30 and GMC P3500 brake switch assemblies
Installation Notes and Tips
Verify connector style, terminal layout, and vehicle year before installation. This Standard Ignition SLS-173 brake light switch uses a female connector with male blade terminals, so matching the existing harness and switch configuration is important for proper fitment. Confirm the application notes for Chevrolet P30 and GMC P3500 models, especially the 4 Term. listings, before replacing the original part.
Quality Assurance
Standard Ignition states that this switch is manufactured under complete quality control from component selection through finished product testing. The design uses materials and contact geometry intended to support long service life and stable electrical performance.
| Year | Make | Model | Body Type | Transmission | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 1997 | GMC | P3500 | — | — | — | — | N/A | — |
| 1996 | Chevrolet | P30 | — | — | 7.4L | V8 | N/A | 4 Term. |
| 1996 | Chevrolet | P30 | — | — | 4.3L | V6 | N/A | 4 Term. |
| 1996 | Chevrolet | P30 | — | — | 5.7L | V8 | N/A | 4 Term. |
| 1996 | Chevrolet | P30 | — | — | 6.5L | V8 | N/A | 4 Term. |
| 1996 | GMC | P3500 | Stripped Chassis | — | — | — | N/A | 4 Term. |
| 1995 | Chevrolet | P30 | Stripped Chassis | — | — | — | N/A | 4 Term. |
| 1995 | GMC | P3500 | Stripped Chassis | — | — | — | N/A | 4 Term. |
| 1994 | Chevrolet | P30 | Stripped Chassis | — | — | — | N/A | 4 Term. |
| 1994 | GMC | P3500 | Stripped Chassis | — | — | — | N/A | 4 Term. |
| 1993 | Chevrolet | P30 | — | Automatic | — | — | N/A | 4 Term. |
| 1993 | GMC | P3500 | Stripped Chassis | — | — | — | N/A | 4 Term. |
| 1992 | Chevrolet | P30 | — | — | — | — | N/A | — |
| 1992 | GMC | P3500 | — | — | — | — | N/A | — |
| 1991 | Chevrolet | P30 | — | — | — | — | N/A | — |
| 1991 | GMC | P3500 | — | — | — | — | N/A | — |
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