Put headlight, high/low beam, and turn-signal control back at your fingertips with the Standard Ignition Combination Switch DS-666. This multi-function switch mounts at the steering column and drops in as a direct-fit replacement for the 1991-1994 Chevrolet Cavalier, handling your headlights, dimmer (high/low beam), and turn signals from one stalk-operated unit.
- Three functions in one: serves as the headlight dimmer switch, headlight switch, and turn signal switch for the listed application.
- Stalk-operated control: operates the headlights, high/low beam, and turn signals from the steering-column stalk.
- Signs it may need replacing: turn signals that won't cancel or flash, headlights that won't switch on, or a high/low beam that won't change when you move the stalk — if a failed switch is the cause, this replaces it.
Because a no-signal or no-headlight condition can also stem from wiring, bulbs, flashers, or fuses, diagnose the cause before replacing. This is an aftermarket replacement combination switch.
Interchange: S2142 · SW820 · HL6862 · 22568382
Manufacturer part number DS-666.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What functions does the DS-666 switch control?
It's a combination switch that handles the headlight dimmer (high/low beam), headlight, and turn-signal functions from the steering-column stalk on the listed application.
What vehicles does this fit?
It's a direct-fit replacement for the 1991-1994 Chevrolet Cavalier. Check the Buyer's Guide tab to confirm it matches your vehicle.
What numbers does this switch interchange with?
It cross-references S2142, SW820, HL6862, and 22568382. Its own manufacturer part number is Standard Ignition DS-666.
What are signs this switch may need replacing?
Turn signals that won't flash or cancel, headlights that won't turn on, or a high/low beam that won't change when you move the stalk. Diagnose the cause first, since wiring and fuses can also be at fault.
Is this a genuine GM part?
No. It's an aftermarket replacement combination switch from Standard Ignition designed to replace the original on the listed Cavalier application.
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