Why does the car turn signal work intermittently?
2 Answers
The reasons why the car turn signal works intermittently are: 1. The turn signal bulb is burnt out; 2. Poor contact of the turn signal; 3. Inconsistent power or model of the turn signal bulb; 4. Faulty bulb control relay. The method of using the turn signal is: 1. Push the turn signal lever to the left to turn on the right turn signal; 2. Push the turn signal lever to the right to turn on the left turn signal; 3. Lift the turn signal lever upwards, and the turn signal will start flashing. The functions of the car turn signal are: 1. To indicate the turning direction to pedestrians or vehicles; 2. To show the direction of overtaking and lane changing; 3. When both left and right turn signals are on simultaneously, it indicates that the vehicle is in an emergency situation to alert other vehicles.
As someone who frequently works on my own car, I know how annoying it can be when the turn signals work intermittently. Possible causes include poor bulb contact, switch wear, or a faulty relay. A loose bulb can cause the light to flicker, especially on bumpy roads. Aging internal contacts in the switch may also lead to occasional failure—a simple check is to press it repeatedly to see if it resumes working. A faulty relay can make the circuit unstable; if you hear a buzzing sound, it might indicate signal instability. Short circuits or broken wires also need to be checked, such as inspecting whether the fuse is blown and trying a replacement. Safety should never be overlooked—driving with faulty turn signals increases the risk of being ignored and causing accidents, so it's advisable to get a professional inspection as soon as possible. If you're handy, you can first check connections and plugs yourself, but avoid tampering with the wiring recklessly.
