Easy step by step guide on how to fix an automotive turn signal that blinks rapidly,
this information pertains to all vehicles.
Difficulty Level - 3
Step 1 - Turn the key to the "ON" position, and push the turn signal switch
in the direction the system blinks fast in, right or left.
Step 2 - Inspect both the front and rear of the vehicle to identify the
directional signal bulb failure. A turn signal system is designed to operated on
a specific resistance, when a bulb fails this resistance changes causing the system
to operate at a faster pace.
Step 3 - Disassemble to replace the non working bulb with new, recheck the operation
of the blinker system before reassembly.
Learn more
Helpful Information
A flasher unit is incorporated into the turn signal system and is used to momentarily
interrupt the circuit to create the blinking action, this flasher works on resistance
normally present in the lighting system (front and rear bulbs). If both left and
right side blinkers operate quickly and all bulbs are working properly, replace
the flasher unit or relay.
Turn Ignition Switch "ON"
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Turn Signal Bulb Not Working
Working Blinker Bulb
Article first published 2016-02-05
