What are the causes of malfunctions in conventional automobiles where both turn signals and warning lights don't come on?

Hello! There are a variety of possibilities:

1, the right turn signal lamp has burned out (the same side);

General turn signal lamps, such as: the right front turn signal lamp, the right front fender lamp, turn auxiliary lighting, the right rear turn signal lamps, etc., which any one of the bulb burned out may lead to the turn of the flashing frequency is too fast.

2, the right side of the turn signal contact is poor;

such as loose bulbs, plug plug bad, etc..

3, the right side of the turn signal bulb power or model inconsistency;

such as some owners in the replacement of the turn signal bulb did not use the same specification type bulb, or the power is too large or too small and other phenomena caused by.

4, bulb control relay failure;

Control of the steering light system line relay can lead to.

5, a small number of possible combination of switch or meter failure;

This phenomenon is less, because of the circuit design of different models of the principle, so do not rule out the possibility of leading to the occurrence of faulty phenomena such as the title.

6, lighting line failure;

Line plugging bad, bad hitch, incorrect bulb installation, rust and many other reasons. In addition there may be caused by other line abnormalities, anti-theft lines can lead to, etc..

7, there may also be other reasons. I hope this can help you.