Get your directional signals clicking on and off again with the Standard Ignition Turn Signal Switch TW-19. It installs as a direct-fit replacement for the listed applications: the 1988-1993 Buick Regal, 1990-1994 Chevrolet Lumina, 1989-1993 Oldsmobile Cutlass Supreme, 1992 Pontiac Bonneville, and 1988-1993 Pontiac Grand Prix.
A turn signal switch is the driver-operated switch that routes electrical current to the left- or right-side signal lamps when you move the stalk, and it works with the steering mechanism to cancel the signal after the turn is completed.
- Core job: directs current to the correct turn-signal circuit based on stalk position.
- Self-canceling operation: designed to return the signal to off as the steering wheel straightens.
- Direct replacement: intended to swap in for a worn or failed original switch on the listed vehicles.
Signs this part may need replacing include turn signals that won't activate on one or both sides, a stalk that won't stay engaged, or a signal that won't self-cancel. Diagnose the cause before replacing, since these symptoms can also come from flashers, bulbs, or wiring. If a failed turn signal switch is the cause, this unit replaces it.
Interchange: S3259 · SW312 · DL6165 · 1997062 · 2-TSS1 · 2TSS1 · Manufacturer part number TW-19 (also TW19)
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does the TW-19 turn signal switch fit?
It's a direct-fit replacement for the 1988-1993 Buick Regal, 1990-1994 Chevrolet Lumina, 1989-1993 Oldsmobile Cutlass Supreme, 1992 Pontiac Bonneville, and 1988-1993 Pontiac Grand Prix. Check the Buyer's Guide tab to confirm your vehicle.
What does a turn signal switch do?
It's the stalk-operated switch that routes electrical current to the left- or right-side turn signal lamps and works with the steering to cancel the signal after the turn.
What are signs my turn signal switch may need replacing?
Signals that won't turn on for one or both sides, a stalk that won't stay engaged, or a signal that won't self-cancel. Diagnose the cause first, since flashers, bulbs, or wiring can cause similar symptoms.
What interchange numbers does this switch cross-reference?
It replaces S3259, SW312, DL6165, 1997062, and 2-TSS1 (also listed as 2TSS1). The manufacturer part number is TW-19.
Will replacing this switch fix my non-working turn signals?
If a failed turn signal switch is the cause, this unit replaces it. Because bulbs, flashers, fuses, and wiring can produce the same symptoms, diagnose the cause before ordering.
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