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Jeep Grand Cherokee Headlights

Diagnosing Faulty Jeep Grand Cherokee Headlights

The headlights are an essential part of your vehicle especially when you are driving at night or going through a tunnel. It keeps you safe especially from other passengers as they can notice you on the road. It's also a standard operating procedure to turn these on when dusk sets in; otherwise, you'll be hailed by a traffic enforcer and get reprimanded for not having them switched on. But, the Jeep Grand Cherokee headlights also experience problems that can't be avoided. Here are some troubleshooting tips to help you out if ever this part is about to fail.

Faulty and loose connections

Usually, the reason why the headlights do not work anymore is because of a busted light bulb. Check if there's a burnt bulb that might need to be replaced. Also, examine the connections, such as the connecting wires and socket, if there's a corroded bulb. Units may also have loosened, so you'd better tighten them so that the headlights can start working again.

Bad illumination

It's inevitable for your lights to get wet especially when you are driving under the rain. If you start noticing that the headlights do not light up the road properly, it could mean that there's moisture buildup in the headlight lenses. This can affect the brightness of the headlights. You can take out the lens and wipe off the moisture using a clean rag or paper towel.

Flickering headlights

It's also quite inevitable for the headlights to start flickering. If it starts to fluctuate or dim during acceleration, you might have to check the strength of the battery's charge. This is also caused by an alternator that's about to give up. When this happens, it affects the charging of the battery, which will eventually lose its charge and give up.

Damaged units

If both headlights aren't functioning at all, go ahead and take a good look at the connecting wire systems. Check out the headlight relay, module, dimmer switch, headlight switch, or look out for a faulty wire. If you discover that there's a problem with the said units, have them replaced. It's much cheaper rather than having a whole new headlight installed on your ride.

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  • How to Keep the Jeep Grand Cherokee Headlights in Top Condition

    It's important to keep the Jeep Grand Cherokee headlights in good condition so that you can stay safe on the road especially at night. When it's dark, it lets other drivers know that you're on the road as well, keeping safe distance at all times. However, it's inevitable for the headlights to get all dirty especially with the different weather and road conditions. Moisture or dust could buildup around the lenses, which can affect the brightness of the lights. But, you can always do proper upkeep by following these maintenance tips.


    Clean clouded headlight lenses.

    Car aesthetics is very important to catch the attention of other drivers. So, make sure that a dirty headlight won't affect the look of your car by cleaning it once it gets clouded. It's unavoidable for it to get dirty especially when rain or dust can seep in through the tiny cracks of the lens. Once they build up, it can cause the headlight lenses to get all cloudy. But, there's an easy way to clean it. Carefully take out the lens and wipe off the dirt buildup with a clean rag or paper towel. You can do this regularly so that you can avoid it to get loaded with dust and debris.


    Regularly wash the headlights.

    After a drive, you can always wipe the outer part of the headlights clean. Wash it with a mixture of soap and water to get it really sanitized. This way, you can at least try to avoid any small particles that can build up around the lens. Also, it's a good way for you to inspect if there are cracks that you can fix immediately.


    Repair cracks on headlight lenses.

    If your headlight lenses are made of plastic, it's more vulnerable to cracks. If this happens, it can ruin the overall look of your ride. There is a way wherein you can fix this problem so that you can maintain great-performing headlights. You can use epoxy, which can bind plastic together. However, you have to make sure you get the right one for the kind of plastic lens you have so that you'll get optimum results.