Help keep your classic's brake lights signaling other drivers when you brake with the Standard Ignition Brake Light Switch / Stoplight Switch SLS-127. This switch completes the brake light circuit when the brakes are applied. It fits many BMW, Saab and Volvo models as a direct-fit replacement for the listed applications, including the 1970-1976 BMW 2002, the 1968-1973 Saab 96 and the 1975-1989 Volvo 244. The part is listed under both names, brake light switch and stoplight switch.
Signs this part may need replacing: brake lights that stay on, brake lights that do not come on, or brake lights that work only intermittently. A bulb, fuse or wiring fault can cause the same signs, so diagnose the cause before replacing the switch.
See the "Vehicles it fits" section for the full list of vehicles and engine details.
Interchange: 18-1710
181710 · 481945515 · 61311350645 · 61311368786 · 61311379830 · S973 · JA416 · SL322 · 88924656 · 7334642 · 1307605 · 3515733 · 3544691 · 3544693 · 679364 · 6793640 · 9139233
Product information is for general reference and may contain errors. See our Disclaimer.
This part cross-references / interchanges with the following part numbers:
What does a brake light (stoplight) switch do?
It completes the brake light circuit when the brakes are applied, which switches the brake lights on. It opens the circuit again when the brakes are released.
What are signs the SLS-127 may need replacing?
Signs include brake lights that stay on, never come on, or work only intermittently. A bulb, fuse or wiring fault can cause the same symptoms, so diagnose the cause before replacing the switch.
Which vehicles does the SLS-127 fit?
It is listed for many BMW, Saab and Volvo models, including the 1970-1976 BMW 2002, 1968-1973 Saab 96 and 1975-1989 Volvo 244. See the "Vehicles it fits" section for the full list.
How is this switch designed to handle contact wear?
It uses a special-design spring and contact arrangement intended to reduce arcing. Copper alloy conductors give strong electrical conductivity with low resistive losses.
Is the SLS-127 tested?
Standard Ignition states that its parts are 100% tested to verify both mechanical and electrical switching performance.
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Standard Motor Products
Standard Motor Products
Standard Motor Products
Standard Motor Products
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
