HomeElectrical, Lighting and Body > SwitchesStandard Ignition SLS-199 Brake Light Switch
Part #: MC39328

Standard Ignition SLS-199 Brake Light Switch

⚙️ 21 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$17.78Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Brake Light Switch for Ford, Jaguar, and Mercury Vehicles

The Standard Ignition SLS-199 brake light switch is designed to provide consistent and accurate brake light activation for select Ford, Jaguar, and Mercury models. Engineered with precise connector and terminal specifications, this switch ensures proper electrical function and vehicle safety.

Key Features of the Standard Ignition SLS-199 Brake Light Switch

  • Connector Gender: Female for secure connection
  • Single rectangular connector for easy installation
  • Two male blade terminals for reliable electrical contact
  • Function: Brake light switch to activate brake lights
  • Compatible with Ford Contour, Focus, Mercury Mystique, and Jaguar XF models

Detailed Description and Technical Specifications

The SLS-199 brake light switch from Standard Ignition is engineered to meet the electrical and mechanical requirements of specific vehicle models including the Ford Contour and Focus, Mercury Mystique, and Jaguar XF. Featuring a female rectangular connector with one connection point, this switch interfaces with two male blade terminals, ensuring a stable and durable electrical connection. The switch function is critical for signaling brake application to the vehicle’s lighting system, enhancing safety and compliance with road regulations.

Common Applications and Problem Resolution

  • Restores brake light functionality when the original switch fails
  • Eliminates intermittent brake light issues caused by faulty switch contacts
  • Resolves brake light switch electrical connection problems
  • Prevents brake lights from staying on continuously
  • Ensures proper brake light activation for vehicle safety inspections

Installation Notes and Tips

  • Verify vehicle compatibility with Ford Contour, Focus, Mercury Mystique, or Jaguar XF before installation
  • Disconnect the battery before replacing the brake light switch to avoid electrical shorts
  • Ensure the female rectangular connector aligns properly with the vehicle wiring harness
  • Check that the two male blade terminals are securely connected for optimal performance
  • Test brake light operation after installation to confirm correct function

Quality Assurance and Warranty Information

Standard Ignition manufactures the SLS-199 brake light switch to meet OEM specifications for fit, form, and function. This part undergoes rigorous quality control to ensure durability and reliable operation. While specific warranty details may vary, Standard Ignition typically offers a limited warranty covering defects in materials and workmanship to provide confidence in product performance.

BrandRaybestos
Part NumberMC39328
Bore Size1.125
Master Cylinder MaterialIron
Mounting Hole Diameter0.433
Mounting Hole Quantity2
Number of Ports2
Primary Port Thread A1/2"-20
Secondary Port Thread A9/16"-18

This part fits 21 vehicles. Search below:

YearMakeModelPositionNotes
2009JaguarXFN/APrior to purchase, ensure compatibility with vehicle's alternator for proper fit.
2007FordFocusN/A
2006FordFocusN/A
2005FordFocusN/A
2004FordFocusN/A
2003FordFocusN/A
2002FordFocusN/A
2001FordFocusN/A
2000FordContourN/A
2000FordFocusN/A
2000MercuryMystiqueN/A
1999FordContourN/A
1999MercuryMystiqueN/A
1998FordContourN/A
1998MercuryMystiqueN/A
1997FordContourN/A
1997MercuryMystiqueN/A
1996FordContourN/A
1996MercuryMystiqueN/A
1995FordContourN/A
1995MercuryMystiqueN/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:

10-187010-2011104460118701201113-1870130.62006131.6200615861596180080491800805818010313180134262718705039328510246513932866-93-200783-360067873932883-36006CM1258CM1465E104460F104458F104460F104461M104458M1870M2421MC104460MC526MCA104458NM1870R104460SMC104460

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.