Why is abs light flashing on 1993 four aerostar?

A flashing ABS light on a 1993 Ford Aerostar typically indicates a problem with the anti-lock braking system. Possible causes include a faulty wheel speed sensor, issues with the ABS control module, or low brake fluid levels. It's important to have the system diagnosed using a scanner to identify the specific error codes and address the underlying issue to ensure safe braking performance.