The headlight is a fantastic and powerful component to increase the jeep’s beauty from the beginning of the auto industry. As a result, there are a lot of quality headlights with multiple features which we can use as an aftermarket accessory.
Jeep headlights not working is a common problem, but it’s not one that should keep you from enjoying your wrangler or Grand Cherokee. I am here to help you diagnose the problem and find a solution that will allow you to drive your jeep safely with the headlights that you use.
I’ll do our best to get your jeep headlights working again, so you can get back on the desolate road.
Six Major Causes Of Jeep Headlights Not Working
There are some popular causes of grand Cherokee or jeep JK headlight issues. Many of them you can fix without knowing a lot of stuff about headlights. Some need an expert or a mechanic as they are complex electrical processes.
1. The Bulb Problems:
If you are having trouble with your jeep wrangler headlights not working, it could be a problem with your bulbs. It’s possible that one of the bulbs has gone out.
You should try changing the bulb as soon as possible to see if that fixes the issue. It is not an actual headlight issue if the headlight bulb is expired or out of its capacity.
2. The Switch Is Not Working
If you’re having problems with your jeep wrangler headlights won’t turn on, it could be a problem with the switch. You can find this issue if you are pressing it in the wrong way for a longer time.
Try checking that the switch is in the correct position and that the vehicle is plugged into an electrical source.
3. Bad Wiring Issue
If you’re having problems with your Grand Cherokee headlight not working, it could be a problem with the wiring. In one sentence, it is called jeep bad ground symptoms that can cause multiple problems in your vehicle.
4. The Fuse And Short Circuit Issues
If you’re having problems with your jeep headlights, it could be a problem with the fuse and short circuit. A fuse is a little device that helps the machine work with passing electricity from one place to another.
For example, if you have a light bulb connected to a battery, the bulb will light up when the battery is fully charged with electricity.
If the fuse breaks the connection between the battery and the bulb, it won’t work properly. On the other hand, a Short circuit means that there is no electricity flowing from one part of the circuit to another in your jeep.
In the electrical circuit, fuses are used to protect wires from getting too hot. Bad ground symptoms are less seen when your vehicle has a quality fuse system.
5. The Wiring Harness:
Wiring harnesses are wires that connect all the electronic components together in your jeep Cherokee, wrangler, or Rubicon.
It works in a closer way like the fuse box and circuit. If you’re having problems with your jeep front lights, it could be a problem with the wiring harness.
6. Voltage Regulator Problems
A voltage regulator is a device that keeps a constant voltage to run all the electronic systems in your jeep wrangler and Grand Cherokee. If it fails to flow constant voltage in the circuit, headlights can flicker.
Sometimes overvoltage in a jeep’s headlight can burn the pair of bulbs. So, the voltage regulator issue can also be responsible for headlights problems.
How To Solve Jeep Headlight Problems
Clean The Whole Headlight Set
if your headlights are dirty after a long off-road tour, you need to clean them all. Sometimes, headlight problems go automatically after a perfect wash.
You have to remove everything from the headlight, including the glass, the light, and also the lens, To clean the headlights. If you still have a problem with the headlights after cleaning, then go for the next steps.
Fix Or Change The Bulbs
The first thing that you must do is to fix the bulb if the bulb is the main reason for the headlight issue. It is possible that you are not able to replace the bulb since you may not have the right tools.
When you have enough courage to change jeep lightbulbs alone, replace them with quality pairs. When you are changing bulbs, be sure to put some reflectors in the front so that you don’t crash into anything.
Change Fuse And Circuit
if you notice a light bulb burnout or anything like that, that is a sign of a short circuit. You can disconnect the wire or replace the fuse, but the best thing to do is to call a technician to look at the problem.
Short circuit and fuse problems have always been tough for new jeep owners. Check each and every cable related to jeep headlights to find out problems and replace them with the best cable.
Test Voltage Regulator
Don’t use a faulty voltage regulator for a longer time if the regulator is the cause of this problem. Run a test on the voltage regulator and take the necessary steps as early as possible.
Fix The Whole Switchboard
When you are sure that it is jeep wrangler headlight switch problems, call a mechanic and fix it as early as possible. Always press buttons in a gentle way in your jeep that may extend the durability of the system.
Frequently Asked Questions
How much does it cost to fix a jeep headlight?
If headlights are not working for bad bulbs, change them, and it will cost less than $40. But, if it is something else or deep and you need a technician, it will cost more than $150, including labor costs. So, first, try to find out what is the basement for headlight problems.
How long should headlights last?
If you are using a poor and qualityless headlight set, it can last 500 to 1500 hours though it also depends on some other factors. If you are using quality headlights and use them in a healthy way, they can last more than 25000 hours.
Headlights are vital components that increase jeep beauty and also provide safe riding. Though headlight issues are so common, whatever pricy jeep you have.
If you are driving in the evening, and you notice that the jeep headlight is not working, take the vehicle to a mechanic who has the knowledge and experience to fix it.
Use perfect beam (low and high beams) quality and never forget to examine them from time to time.