Standard Ignition Brake Light Switch SLS-181
Standard Ignition Brake Light Switch SLS-181 - view 2
Standard Ignition Brake Light Switch SLS-181 - view 3
Standard Ignition Brake Light Switch SLS-181 - view 4
Standard Ignition Brake Light Switch SLS-181 - view 5
Standard Ignition Brake Light Switch SLS-181 - view 6
Standard Ignition Brake Light Switch SLS-181
Standard Ignition Brake Light Switch SLS-181 - view 2
Standard Ignition Brake Light Switch SLS-181 - view 3
Standard Ignition Brake Light Switch SLS-181 - view 4
Standard Ignition Brake Light Switch SLS-181 - view 5
Standard Ignition Brake Light Switch SLS-181 - view 6

Standard Ignition Brake Light Switch P/N:SLS-181

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$15.99
MPN: SLS-181
Item Package Quantity: 1
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Standard Ignition Brake Light Switch P/N:SLS-181
Standard Ignition Brake Light Switch P/N:SLS-181
$15.99

Keep your brake lights firing the instant you hit the pedal with the Standard Ignition Brake Light Switch SLS-181. This stoplight switch signals the brake lamps (and related circuits) when the brake pedal is applied, and it drops in as a direct-fit replacement for the 1990-1993 Chevrolet G10, G20, and G30, along with the 1990-1993 GMC G1500, G2500, and G3500 (see the Buyer's Guide tab for full details).

  • Copper alloy conductors: deliver strong electrical conductivity with low resistive losses.
  • Special-design spring & contact arrangement: reduces arcing for extended service life.
  • Brass or high-impact composite housing: built as specified for durability under real service conditions.
  • 100% tested: every switch is verified for both mechanical and electrical switching performance.

Backed by Standard Ignition's quality control across the manufacturing process, this switch meets the demands of today's service professional. If a failed brake light switch is the cause of brake lights that stay off, stay on, or work intermittently, this replaces it — diagnose the circuit before installing.

Interchange: S6109 · DR432 · SL511 · 15631400

This part cross-references / interchanges with the following part numbers:

S6109, DR432, SL511, 15631400

Frequently Asked Questions

What does this brake light switch do?

It signals the brake light circuit when the brake pedal is applied, turning the stop lamps on. Standard Ignition part SLS-181.

Which vehicles does the SLS-181 fit?

It's a direct-fit replacement for the 1990-1993 Chevrolet G10, G20, G30 and GMC G1500, G2500, and G3500. See the Buyer's Guide tab to confirm your vehicle.

What are signs this switch may need replacing?

Brake lights that don't come on, stay on, or work intermittently can be signs of a failed switch. Diagnose the circuit first, since other components can cause the same symptoms.

What is the housing made of?

Standard Ignition builds these stoplight switches with brass or high-impact composite housings as specified for the application.

What numbers does this switch interchange with?

It cross-references S6109, DR432, SL511, and 15631400.

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