Some components of your Toyota 4Runner are fundamental, regardless for your safety or that of other individuals, making sure that all these components are in good working order is part of your legal and moral duties. On this page, we are going to discuss one of these components, your vehicle’s blinkers, the turn signals. In fact, you may have a blinker problem on Toyota 4Runner, whether it’s because they’re burned out, they produce a strange noise, or whatever, we’re going to try to resolve your worries today so that you can get back on the road with comfort. To do so, we will discover one after the other different blinker trouble on Toyota 4Runner and the solutions to solve them.


The various blinker problems on Toyota 4Runner and their solutions

We will therefore write our article according to the form of blinker trouble you are struggling with on your Toyota 4Runner. You should know that the turn signals are the only components that allow other road users to know your changes in direction, so it is fundamental that they are in good working order.

Blinker problem that does not flash on one side on Toyota 4Runner

If you are in the circumstance where, when you turn on your blinkers on the left or right side of your Toyota 4Runner they do not light up while on the other side everything functions properly. In this circumstance it may be that both of your blinker bulbs are burnt out, first step for you to verify the state of your blinker bulbs, see our article on changing the indicator bulb on Toyota 4Runner if you don’t know how to do this procedure. Bear in mind to verify the condition of the bulb socket, it may be oxidized and the electrical contact may be bad. If after checking the bulbs of the blinkers of your Toyota 4Runner are not burnt out, you will have to remove the comodo of your turn indicators to verify that there is no false contact when you switch it on the troublesome side.

Problem no blinker lights on Toyota 4Runner

Second blinker problem you may experience on Toyota 4Runner, none of your flashers light up. If you are in this circumstance there is a good chance that it is an electrical trouble that is the origin of the turn signal incapacity. You will have to verify the turn signal fuse on your Toyota 4Runner, please have a look at our article to locate it very easily. In most instances your fuse is blown, in any other case it could be the fuse relay that is leading to the trouble. Finally, if your fuses and relays are in good condition, verify that the flasher comodo is well powered.

Problem a blinker doesn’t light up on Toyota 4Runner

Now the most regular case of blinker problems on Toyota 4Runner, only one of your blinkers doesn’t work. In this circumstance, the trouble is in most cases easy to solve and a change of a burnt-out bulb will be enough to solve it. If this is not enough, remember to verify the condition of the bulb socket which could provoke a bad electrical contact and thus prevent the bulb from lighting up.

Blinker problem that lights up atypically on Toyota 4Runner

To finish , the last trouble you may experience is that the turn indicators of your Toyota 4Runner make a different noise when you turn them on or that they work randomly. Two situations, or you have a short circuit somewhere in your electrical installation or, your turn indicator unit is damaged.


As seen sooner on this page, flashing lights are fundamental safety components on your Toyota 4Runner, you must all the time ensure that that they are working correctly. No matter what the cause of the flasher trouble is, it must be treated as soon as possible because accidents happen quickly and whether it’s a simple fender bender or something more significant, you are bound to be at fault.

To find more tips on the Toyota 4Runner, take a look at the Toyota 4Runner category.