Standard Ignition Brake Light Switch SLS-66
Standard Ignition Brake Light Switch SLS-66 - view 2
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Standard Ignition Brake Light Switch SLS-66 - view 7
Standard Ignition Brake Light Switch SLS-66
Standard Ignition Brake Light Switch SLS-66 - view 2
Standard Ignition Brake Light Switch SLS-66 - view 3
Standard Ignition Brake Light Switch SLS-66 - view 4
Standard Ignition Brake Light Switch SLS-66 - view 5
Standard Ignition Brake Light Switch SLS-66 - view 6
Standard Ignition Brake Light Switch SLS-66 - view 7

Brake Light Switch for 1975-1979 Ford F-150 & More - Standard Ignition SLS-66

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$23.99
MPN: SLS-66
Item Package Quantity: 1
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Standard Ignition Brake Light Switch P/N:SLS-66
Standard Ignition Brake Light Switch P/N:SLS-66
$23.99

Help signal your stops to the drivers behind you with this Standard Ignition switch, part number SLS-66 (also written SLS66). It is a brake light switch designed to turn the brake lights on when the brake pedal is applied. It is listed as a direct-fit replacement for many cars and trucks spanning decades, including the 1968-1979 Ford F-250 and 1978-1981 Chevrolet Malibu.

  • Part type: Brake light switch from Standard Ignition, manufacturer part number SLS-66.
  • Function: Switches the brake light circuit in response to brake pedal movement.
  • Quantity per application: 1. Each listed application uses one switch.
  • Engine coverage: Fitment is cataloged for all engines.

SLS-66 is listed for the 1975 and 1978-1981 Chevrolet Malibu.

Signs a brake light switch may need replacing include brake lights that don't come on, brake lights that stay lit after the pedal is released, and brake lights that work only intermittently. Burned-out bulbs, blown fuses and damaged wiring can cause the same symptoms, so check the circuit first. If the switch is the cause, SLS-66 replaces it. See the Buyer's Guide tab for the full list of applications.

Frequently Asked Questions

What does the Standard Ignition SLS-66 brake light switch do?

It is designed to switch the brake lights on when the brake pedal is applied and off when the pedal is released. This signals drivers behind you that you are slowing or stopped.

What are signs a brake light switch may need replacing?

Signs include brake lights that don't come on, stay lit with the pedal released, or work intermittently. Bulbs, fuses and wiring can cause the same symptoms, so diagnose the circuit before replacing the switch.

Is this the right 1978-1981 Chevrolet Malibu switch?

SLS-66 is listed for the 1975 and 1978-1981 Chevrolet Malibu and the 1968-1979 Ford F-250, among many other vehicles. See the Buyer's Guide tab for the full list.

How many brake light switches does my vehicle need?

Each listed application uses one switch.

Is SLS-66 the same part as SLS66?

Yes. SLS-66 and SLS66 are the same Standard Ignition part number, written with and without the hyphen.

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