Vehicle shown in this step: 1997 Chevrolet Tahoe 5.7L V8
Procedure notes
This video shows you how to change the highbeams, which are also known as brights or headlight high beam bulbs, in your 1999 GMC C1500. High beam lights can also be commonly referred to as a full beam whereas your headlights may be called the low beams. The high beam symbol in the dashboard on a 1999 GMC C1500 is typically represented as a blue headlight icon with beams pointing outward. In some GMCs your headlight and high beams are the same bulb – it is possible for the headlight portion of the bulb to burn out and for the highbeams to continue to function properly and vice versa. Replacing the bulb will restore functionality to both high and low beam functions. Highbeam bulbs grow dimmer by over 20% over time, therefore we recommend changing both bulbs on your C1500 at the same time, even if only one is burnt out - this will allow both high beam bulbs to have the same brightness on each side.
Be careful not to touch the glass part of the new highbeam bulb with your finger when changing it on your C1500. Touching the new highbeam bulb will cause the bulb to burn out quicker. If you accidentally touch the glass part, wipe it off with rubbing alcohol before inserting it into your C1500.
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本视频演示如何更换您的 1999 GMC C1500 车辆的远光灯，远光灯也称为明亮灯或大灯远光灯灯泡。 远光灯也可以称为全光束，而你的前大灯可能被称为近光灯。 在一台 1999 年款的 GMC C1500 车辆仪表盘上，远光灯符号通常表现为一个蓝色大灯图标，灯束向外延伸。 在某些 GMC车型 车辆上，前大灯和远光灯共用同一个灯泡——有可能是大灯部分的灯泡烧坏，而远光灯仍能正常工作，反之亦然。 更换灯泡将恢复远光灯和近光灯的功能。 远光灯灯泡的亮度会随时间降低超过 20%。因此，即使只烧坏一侧，也建议同时更换 C1500 的两侧灯泡，以保持左右远光灯亮度一致。
更换C1500上的远光灯泡时，务必不要用手指触碰新灯泡的玻璃部分。 触摸新的远光灯泡会导致灯泡烧坏速度加快。 如果意外接触到玻璃部分，请先用酒精擦拭干净，再将其插入您的 C1500 中。