Keep your brake warning light working correctly with the Standard Ignition Parking Brake Switch DS-3369 (also written DS3369). This switch signals the vehicle's warning circuit based on the position of the parking brake, illuminating the dash brake-warning lamp when the parking brake is applied. It installs as a direct-fit OE replacement for the 2003 Ford Crown Victoria, 2003 Lincoln Town Car, 2003 Mercury Grand Marquis, and 2003 Mercury Marauder — see the "Vehicles it fits" section for engine details.
If a faulty parking brake switch is the reason your brake warning light stays on, flickers, or fails to light when the brake is set, replacing it with the DS-3369 restores that circuit function. Diagnose the cause first, since a warning-light complaint can also come from brake fluid level, wiring, or other components.
Interchange: S52171 · SW3899 · PA3519 · 3W1Z15A851AA
This part cross-references / interchanges with the following part numbers:
What does this parking brake switch do?
It senses whether the parking brake is applied and signals the vehicle's warning circuit, illuminating the dash brake-warning light when the brake is set.
Which vehicles does the DS-3369 fit?
It is a direct-fit replacement for the 2003 Ford Crown Victoria, 2003 Lincoln Town Car, 2003 Mercury Grand Marquis, and 2003 Mercury Marauder. See the "Vehicles it fits" section for engine details.
What numbers does this switch interchange with?
It cross-references S52171, SW3899, PA3519, and 3W1Z15A851AA.
What are signs this switch may need replacing?
A brake warning light that stays on, flickers, or fails to light when the parking brake is applied can indicate a faulty switch. Diagnose the cause before replacing.
Is this a direct-fit replacement?
Yes. It is a direct-fit OE replacement designed to install in the factory location for the listed applications.
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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.
