Defective Turn Signal Flasher Relay

A defective turn signal flasher relay will prevent your turn signals from blinking. It may be wise to check the turn signal bulbs, as the symptoms of a burnt bulb are similar to a defective relay.

Table of Contents

• 1 Symptoms
  • 1.1 Turn Signals Don't Blink or Light Up
  • 1.2 Turn Signals Blink Rapidly
  • 1.3 Turn Signal Dash Indicators Stay On

Symptoms

Since the symptoms of a defective relay are similar to a burnt turn signal bulb, the bulbs should be checked first. If the bulbs are replaced, and the problem remains, the flasher relay may be at fault.