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Standard Ignition SLS-239 Brake Light Switch
| Brand | Standard Ignition SLS-239 |
|---|---|
| Color | Metal |
| Connector Gender | Female + Male |
| Finish | Metal, Plastic |
| Functions | Switch |
| Terminal Gender | Female + Male |
| Terminal Type | Blade |
| Fits | Ford, Mercury, and Lincoln · 29 vehicles |
Robust design. Built with high-grade materials for demanding service use.
Reduced arcing. Special spring and contact arrangement helps extend service life.
Copper alloy conductors. Deliver superior conductivity with low resistive losses.
Cross-references 1F1Z14A411CA, 1S5408 and 53-45691 for the same application. See all 11.
Brake Light Switch for Ford, Mercury, and Lincoln
Standard Ignition SLS-239 is a brake light switch built for dependable stoplamp signal control in select Ford, Mercury, and Lincoln applications. It uses a metal housing with blade terminals and a 2-connector layout to support consistent electrical switching in daily service.
Compatible With 1999-2007 Ford Taurus, 1999-2004 Ford Explorer, 1999-2005 Mercury Sable, 1999-2004 Mercury Mountaineer, and 2003-2004 Lincoln Aviator. Standard Ignition SLS-239 is also a direct-fit option for 2000 Ford Sable.
Key Features
- Brake light switch for stoplamp circuit operation
- Metal finish with metal and plastic construction details
- Female + male connector design with 2 connectors
- Female + male blade terminals with 2 terminals
- Special spring and contact arrangement to reduce arcing
- Copper alloy conductors for strong electrical conductivity
- 100% tested for mechanical and electrical switching performance
Detailed Description
Standard Ignition SLS-239 is engineered for reliable brake pedal signal transfer in vehicles that depend on accurate stoplight activation. The switch design uses durable housing materials and copper alloy conductors to help maintain low-resistance electrical flow, while the contact arrangement is built to limit arcing and support longer service life. This makes it a practical replacement brake light switch for Ford Explorer, Mercury Mountaineer, and related applications where consistent stoplamp response matters.
This part cross-references 1S5408 and SW5492 for the same application.
What It Helps Address
- Brake lights that do not illuminate when the pedal is pressed
- Intermittent stoplamp operation
- Delayed or inconsistent brake signal output
- Electrical switching issues at the brake pedal circuit
- Wear-related contact problems in the stoplight switch
Installation Notes and Tips
Verify connector style, terminal type, and vehicle application before installation. Confirm the brake pedal switch location and inspect the harness terminals for corrosion, looseness, or heat damage before connecting the replacement part. After installation, test brake lamp operation and related switch functions before returning the vehicle to service.
Quality Assurance
Standard Ignition states that this stoplight switch is 100% tested for mechanical and electrical performance. The brand also notes complete quality control throughout manufacturing, from component selection through finished product inspection.
| Year | Make | Model | Body Type | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2007 | Ford | Taurus | — | — | — | — | N/A | — |
| 2006 | Ford | Taurus | — | — | — | — | N/A | — |
| 2005 | Ford | Taurus | — | — | — | — | N/A | — |
| 2005 | Mercury | Sable | — | — | — | — | N/A | — |
| 2004 | Ford | Explorer | — | — | — | — | N/A | — |
| 2004 | Ford | Taurus | — | — | — | — | N/A | — |
| 2004 | Lincoln | Aviator | — | — | 4.6L | V8 | N/A | — |
| 2004 | Mercury | Mountaineer | — | — | — | — | N/A | — |
| 2004 | Mercury | Sable | — | — | — | — | N/A | — |
| 2003 | Ford | Explorer | — | 4 Door | — | — | N/A | — |
| 2003 | Ford | Taurus | — | — | — | — | N/A | — |
| 2003 | Lincoln | Aviator | — | — | 4.6L | V8 | N/A | — |
| 2003 | Mercury | Mountaineer | — | — | — | — | N/A | — |
| 2003 | Mercury | Sable | — | — | — | — | N/A | — |
| 2002 | Ford | Explorer | — | 4 Door | — | — | N/A | — |
| 2002 | Ford | Taurus | — | — | — | — | N/A | — |
| 2002 | Mercury | Mountaineer | — | — | — | — | N/A | — |
| 2002 | Mercury | Sable | — | — | — | — | N/A | — |
| 2001 | Ford | Explorer | — | 4 Door | — | — | N/A | — |
| 2001 | Ford | Taurus | — | — | — | — | N/A | — |
| 2001 | Mercury | Mountaineer | — | — | — | — | N/A | — |
| 2001 | Mercury | Sable | Wagon | — | — | — | N/A | — |
| 2000 | Ford | Explorer | — | — | — | — | N/A | — |
| 2000 | Ford | Sable | — | — | 3.0L | V6 | N/A | — |
| 2000 | Ford | Taurus | — | — | — | — | N/A | — |
| 2000 | Mercury | Mountaineer | — | — | — | — | N/A | — |
| 2000 | Mercury | Sable | Wagon | — | — | — | N/A | — |
| 1999 | Ford | Explorer | — | — | — | — | N/A | From 3/2/99 |
| 1999 | Mercury | Mountaineer | — | — | — | — | N/A | From 3/3/99 |
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