Some specific elements of your GMC Yukon XL are fundamental, if for your safety or that of other individuals, making sure that all these elements are operating properly is part of your legal and moral obligations. In this article , we are going to talk about one of these elements, your vehicle’s turn indicators, the turn signals. In truth, you may have a blinker problem on GMC Yukon XL, whether it’s because they’re burned out, they generate a strange noise, or whatever, we’re going to try to solve your concerns today so that you can get back on the road with peacefulness. To achieve this, we will discover one by one various blinker concerns on GMC Yukon XL and the answers to resolve them.


The various blinker problems on GMC Yukon XL and their solutions

We will therefore write our guideline according to the kind of blinker problem you are struggling with on your GMC Yukon XL. You should know that the turn signals are the only elements that allow other road users to know your changes in direction, so it is very important that they are in good working order.

Blinker problem that does not flash on one side on GMC Yukon XL

If you are in the scenario where, when you turn on your blinkers on the left or right side of your GMC Yukon XL they do not light up while on the other side everything works normally. In this situation it may be that both of your blinker bulbs are burnt out, first step for you to check the condition of your blinker bulbs, discover our guideline on changing the indicator bulb on GMC Yukon XL if you don’t know how to do this technique. Remember to check the condition of the bulb socket, it may be oxidized and the electrical contact may be bad. If after looking at the bulbs of the blinkers of your GMC Yukon XL are not burnt out, you will have to take off the comodo of your turn indicators to check that there is no false contact when you switch it on the problematic side.

Problem no blinker lights on GMC Yukon XL

Second blinker problem you may experience on GMC Yukon XL, none of your flashers light up. If you are in this situation there is a good chance that it is an electrical problem that is the trigger of the turn signal failure. You will have to check the turn signal fuse on your GMC Yukon XL, please check out our guideline to find it very easily. Most of the time your fuse is blown, otherwise it could be the fuse relay that is leading to the problem. At last, if your fuses and relays are in good condition, check that the flasher comodo is well powered.

Problem a blinker doesn’t light up on GMC Yukon XL

Now the most regular case of blinker problems on GMC Yukon XL, only one of your blinkers doesn’t work. In this situation, the problem is usually basic to correct and a change of a burnt-out bulb will be enough to solve it. If this is not enough, bear in mind to examine the state of the bulb socket which could provoke a bad electrical contact and thus prevent the bulb from lighting up.

Blinker problem that lights up uncommonly on GMC Yukon XL

To finish , the last problem you may experience is that the turn indicators of your GMC Yukon XL make a different noise when you turn them on or that they work abnormally. Two situations, either you have a short circuit somewhere in your electrical installation or, your turn indicator unit is faulty.


As seen sooner on this page, flashing lights are essential safety elements on your GMC Yukon XL, you must always ensure that they are operating properly. No matter what the reason of the flasher problem 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.

If you want more tutorials on the GMC Yukon XL, go to our GMC Yukon XL category.