How to Adjust Your Peterbilt 389 Headlights

When you’re driving, the most important thing you can do is focus on the road. That’s why it’s important to set your headlights correctly. Headlights are a major part of your car’s appearance and they play an important role in safety. If your headlights are not adjusted properly, they will cause your car to look sloppy and unprofessional. 

To adjust headlights of a Peterbilt 389 truck, you will need to remove the headlight assembly and lightbulbs, unscrew the screws that hold the lightbulbs in place, and replace the bulbs. Then, you will need to reattach the headlight assembly and screws.

When adjusting your headlights, it is important to have the proper tools and techniques in order to get the job done right. In this article, we will be discussing how to adjust your Peterbilt 389 headlights using a few of these basic tips.

How to Adjust Your Peterbilt 389 Headlights

Adjusting your Peterbilt 389 headlights is easy. You just need to determine where the adjustment points are.

Follow these steps:

1. Remove the headlight assembly and lightbulbs from your truck. 
2. Determine where each of the adjustment points are located.
3. Loosen all of the screws that hold your headlights in place. 
4. Remove your headlights from your Peterbilt 389 truck. 
5. Place these screws in a safe place since they will be needed when you reattach your headlight assemblies.
6. Replace your headlights into their correct position on your truck’s housing. 
7. In order to do this properly, it is important that you align them correctly.

Now, let’s see how to adjust the brightness of your Peterbilt’s highlights.

How to Change the Brightness of Your Peterbilt 389 Headlights

The next step in adjusting your Peterbilt 389 headlights is to determine how to change the brightness of your headlights. 

Follow these steps:

1. Remove one of the bulbs from each headlight assembly. 
2. Remove the bulb holder that holds the bulb in place. 
3. You should then be able to place this bulb holder on a flat surface and use a pair of pliers to twist it until it snaps off. 
4. Take out your old bulbs and replace them with new ones.
5. Push down on both sides of your headlight assembly until you feel them click into place. 
6. It will be important that you align these correctly in order for them not to fall down while driving your truck. 
7. Tighten up both sides using the same method as before.

Now, let’s take a look at how you can adjust the color of your Peterbilt headlights.

What Color Are My Peterbilt 389 Headlights?

The color of your headlights will depend on which type of assembly you have.

There are three types of headlight assemblies and their colors: 

• High beams: Blue, red, or yellow
• Low beams: Green or white
• Blinkers: Red or orange

Now, let’s see how to change the color of them.

How to Adjust the Color of Your Peterbilt 389 Headlights

Now that you know which color your headlights will be depending on their assemblies, you may be wondering how to adjust their color.

To adjust the color of your headlights, follow these steps:

1. Remove both of your headlight assemblies.
2. Adjust the color of your headlights by adjusting the white plastic ring around the base of each headlight assembly. 
3. This ring is used to adjust the intensity of your headlights and is made up of three settings: bright, medium, and dim.

Now, let’s see how you can change the direction of your Peterbilt headlights.

How to Change the Direction of Your Peterbilt 389 Headlights

Now that you have your headlights adjusted, it’s time to change their direction. 

To do this, follow these steps:

1. Remove the headlight from the housing
2. Remove the headlamp bulb 
3. Take a screwdriver and unscrew the reflector 
4. Unscrew the lightbulb
5. Adjust them so that they point in the direction that you want.

Now, let’s see how to replace your Peterbilt headlights.

How to Remove and Replace Your Peterbilt 389 Headlights

If you are not comfortable performing this procedure yourself, you can have your mechanic do it for you. 

Here’s how you can do it yourself:

1. Remove the headlights by removing screws and disconnecting the wiring connector. 
2. Install a new headlight by reconnecting the wiring connector and screwing it back in place.
3. Determine which type of bulb is being used on your vehicle (there are three different types). 
4. Open up the hood and unscrew the existing one by removing its mounting screws. 
5. Remove any plastic covers that may be covering your new bulb.
6. Screw the new one into place using a wrench or screwdriver.
7. Reconnect any wiring connectors that may have been disconnected during removal.

Now all you have to do is close up your hood and the job is finished.

Conclusion

While the process of replacing your headlights on the Peterbilt 389 may seem daunting at first, it is actually quite simple and straightforward. By following these instructions, you should have no problem removing or replacing your headlights.