Standard Ignition Turn Signal Switch P/N:TW-19
Help your turn signals respond to the lever the way they should with the Standard Ignition switch TW-91. This turn signal switch directs power to the signal lamps as you move the lever. It is a direct-fit replacement for many vehicles, among them the 1991-1992 Buick Century, 1989 Cadillac DeVille and 1989 Cadillac Fleetwood. See the Buyer's Guide tab for the full list and engine-level fitment details.
Signs a turn signal switch may need replacing include signals that work on only one side, flash intermittently, or fail to cancel after a turn. A bulb, flasher, or wiring fault can cause similar symptoms, so diagnose the circuit before replacing the switch.
Interchange: S3308 · SW806 · DL6216 · 1997073 · 1997089
This part cross-references / interchanges with the following part numbers:
What does the TW-91 turn signal switch do?
It is the switch your turn signal lever operates. It directs power to the left or right signal lamps when you signal a turn.
Is this the right 1991-1992 Buick Century switch?
The TW-91 is listed for the 1991-1992 Buick Century and also fits other vehicles, such as the 1989 Cadillac DeVille and 1989 Cadillac Fleetwood. See the Buyer's Guide tab for the full list and engine details.
How is the TW-91 tested?
Standard Ignition parts, including this switch, are 100% tested to verify both mechanical and electrical switching performance.
What are the switch's conductors made of?
The switch uses copper alloy conductors, chosen for superior electrical conductivity with low resistive losses.
What part numbers does the TW-91 interchange with?
It cross-references S3308, SW806, DL6216, 1997073, and 1997089.
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.