Ask an expert
![simo14](themes/aaAle/images/interface/profile-pic-placeholder.47cf740a.png)
I have a isuzu bighorn 3.1dt 1997 ,i have never noticed before because i usually dont get so low on fuel but warning light is not working any ideas ? i have heard that there is a switch somewere like gearbox is this true ,
Many thanks
![Anon](/assets/Uploads/_resampled/ScaleWidthWyI3NSJd/CMSThumbnail-SetWidth75-aa-avatar.png?m=1518003100)
The fuel warning light works off the fuel sender unit that sits inside the fuel tank. The sender unit could possibly be faulty or it could be as simple as a faulty bulb on the instrument cluster. It doesn't have anything to do with the gearbox. A good auto-electrician would be able to determine which part needs replacing.