Vehicle shown in this step: 2017 GMC Savana 2500 4.8L V8 FlexFuel Extended Cargo Van
Source note on shared footage
We have a massive and growing video library, but we don't have everything...yet.
Car companies often use the same engines in different cars. They also slightly alter the styling and sell the same car by two different names (amongst other tricks to help offset development costs).
Our system selects the most applicable video for your car based, in part, on these characteristics. The video displayed may not look exactly like your car, but may be relevant enough for you to get a good idea how to do it.
查看中文对照 · Chinese translation
我们有一个庞大且不断增长的视频资料库，但还没有全部内容……
汽车制造商经常在不同车型中使用相同的发动机。 它们还略微调整了外观设计，并以两个不同的名称销售同一款车（以及其他一些技巧，以帮助抵消开发成本）。
我们的系统会根据这些特性，部分地选择最适合您车辆的视频。 视频中显示的内容可能与您的车辆外观不完全相同，但可能足够相关，让您了解如何操作。
Procedure notes
If your convenience lights, turn signals, seat warmers, stereo, headlights or other electronic components suddenly stop working, chances are you have a fuse that has blown out. The video above shows how to check and change blown fuses in the engine bay of your 1990 GMC G3500 in addition to where the fuse box diagram is located. Fuses should always be the first thing you check if your G3500 is experiencing electrical difficulties because they are relatively easy and inexpensive to change yourself. The more electronics your G3500 has, the more fuses it has. Some GMCs have multiple fuse boxes in the engine bay, so be sure to find the fuse(s) in question. Some components may have multiple fuses, so make sure you check all of the fuses that are linked to the component that is no longer working properly.If you need to replace a blown fuse in your G3500, make sure you replace it with one that has the same amperage as the blown fuse. If checking and replacing the fuse for the component in question doesn't work, we recommend seeking assistance from a trusted professional mechanic. They should be able to figure out if the component needs to be replaced or if there is a short or some other problem with your G3500.
查看中文对照 · Chinese translation
如果您的便利灯、转向灯、座椅加热器、音响、大灯或其他电子设备突然停止工作，很可能是某个保险丝熔断了。 上述视频展示了如何检查并更换您的 1990 GMC G3500 发动机舱内的熔断保险丝，以及保险丝盒的布局位置。 如果您的G3500出现电气问题，应首先检查保险丝，因为更换保险丝相对简单且成本较低，可以自行完成。 G3500 的电子设备越多，通常配备的保险丝也越多。 部分 GMC车型 在发动机舱内有多个保险丝盒，请确认找到的是相关保险丝。 某些部件可能有多个保险丝，因此请务必检查所有与故障部件相连的保险丝。如果需要在您的 G3500 中更换熔断的保险丝，请务必更换为与原熔断保险丝相同安培数的保险丝。 如果检查并更换相关部件的保险丝仍未解决问题，建议向可信赖的专业维修人员求助。 专业维修人员应能判断部件是否需要更换，或 G3500 是否存在短路等其他问题。