HomeElectrical, Lighting and Body > SwitchesStandard Ignition SLS-173 Brake Light Switch
Part #: SLS-173

Standard Ignition SLS-173 Brake Light Switch

⚙️ 16 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: GMC and Chevrolet, P3500 and P30
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Reliable Brake Light Switch for Chevrolet and GMC Vehicles

The Standard Ignition SLS-173 brake light switch is designed to provide consistent and accurate brake light activation for Chevrolet P30 and GMC P3500 models. Engineered with precise connector and terminal specifications, this switch ensures proper electrical connectivity and vehicle safety.

  • Connector Gender: Female
  • Connector Quantity: 2
  • Terminal Gender: Male
  • Terminal Quantity: 2; 2
  • Terminal Type: Blade terminals

Technical Details and Compatibility

This brake light switch, part number SLS-173, features two female connectors and four male blade terminals arranged in two pairs, providing secure and reliable electrical connections. The blade terminal design supports easy installation and stable contact, reducing the risk of electrical faults. Specifically compatible with Chevrolet P30 and GMC P3500 vehicles, this switch meets the electrical and mechanical requirements for these models, ensuring proper brake light function and vehicle safety compliance.

Function and Application

  • Activates brake lights when the brake pedal is pressed
  • Prevents brake light failure and intermittent lighting issues
  • Ensures proper signaling to drivers behind the vehicle
  • Helps maintain compliance with vehicle safety regulations
  • Addresses issues related to faulty or worn brake light switches

Installation Notes and Tips

When installing the Standard Ignition SLS-173 brake light switch, ensure the female connectors align correctly with the vehicle’s wiring harness. The blade terminals should be securely seated to prevent loose connections. It is recommended to disconnect the vehicle battery before installation to avoid electrical shorts. Verify brake light operation after installation to confirm proper function.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The SLS-173 brake light switch undergoes rigorous quality control to ensure durability and reliable performance. This part is backed by Standard Ignition’s limited warranty, providing coverage against defects in material and workmanship under normal use.

BrandStandard Ignition
Part NumberSLS-173
Connector GenderFemale
Terminal GenderMale
Terminal TypeBlade Terminals

This part fits 16 vehicles. Search below:

YearMakeModelBody TypeTransmissionLitersCylindersPositionNotes
1997GMCP3500N/A
1996ChevroletP307.4LV8N/A4 Term.
1996ChevroletP304.3LV6N/A4 Term.
1996ChevroletP305.7LV8N/A4 Term.
1996ChevroletP306.5LV8N/A4 Term.
1996GMCP3500Stripped ChassisN/A4 Term.
1995ChevroletP30Stripped ChassisN/A4 Term.
1995GMCP3500Stripped ChassisN/A4 Term.
1994ChevroletP30Stripped ChassisN/A4 Term.
1994GMCP3500Stripped ChassisN/A4 Term.
1993ChevroletP30AutomaticN/A4 Term.
1993GMCP3500Stripped ChassisN/A4 Term.
1992ChevroletP30N/A
1992GMCP3500N/A
1991ChevroletP30N/A
1991GMCP3500N/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:

156443181S520353-54472DR449EG1117S6053SL198

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