2018 Peterbilt 389 Headlight Bulb Size
Introduction
When it comes to maintaining your 2018 Peterbilt 389, it’s important to know the correct headlight bulb size. Having the right bulb size ensures optimal visibility and safety while driving at night or in low-light conditions. In this article, we will provide you with the necessary information on the headlight bulb size for the 2018 Peterbilt 389.
Headlight Bulb Size Table
To make things easier for you, here is a table listing the headlight bulb sizes for the 2018 Peterbilt 389:
| Headlight Bulb Type | Size |
|---|---|
| Low Beam | H11 |
| High Beam | 9005 |
Understanding the Headlight Bulb Sizes
Now that you have the headlight bulb sizes for your 2018 Peterbilt 389, let’s take a closer look at what these sizes mean:
– Low Beam: The low beam headlight bulb is responsible for providing adequate illumination for driving in normal conditions. The H11 bulb size is commonly used for low beam headlights and offers a good balance between brightness and energy efficiency.
– High Beam: The high beam headlight bulb provides maximum visibility for long-range illumination. The 9005 bulb size is commonly used for high beam headlights and offers a brighter output compared to the low beam bulb.
Replacing the Headlight Bulbs
If you need to replace the headlight bulbs on your 2018 Peterbilt 389, here are the general steps to follow:
1. Park your truck on a level surface and turn off the engine.
2. Open the hood and locate the back of the headlight assembly.
3. Disconnect the electrical connector from the back of the bulb by gently pulling it out.
4. Remove the old bulb by twisting it counterclockwise and pulling it out.
5. Insert the new bulb into the socket and twist it clockwise to secure it.
6. Reconnect the electrical connector to the back of the bulb.
7. Repeat the process for the other headlight bulb if necessary.
8. Close the hood and test the headlights to ensure they are working properly.
Conclusion
Knowing the correct headlight bulb size for your 2018 Peterbilt 389 is essential for maintaining optimal visibility and safety on the road. By referring to the table provided and following the steps for replacing the bulbs, you can ensure that your headlights are in proper working condition. Remember to always consult your vehicle’s manual or seek professional assistance if you are unsure about any aspect of headlight bulb replacement.