In each live line supply either household automotive or even commercial there is a fuse which when the current exceeds that fuses capacity it blows thus protecting the circuit
If the fuse is working, then check the bulbs.
If headlamps are not working but the parking lights are working can it be the fuse that is faulty
A blown fuse can cause your fuel gauge and speedometer to stop working. Replace the fuse. The fuse can be found in the fuse box. The location of the fuse will be listed on the inside cover of the fuse box.
Check fuse
What is the 40 fuse for & what is not working.
Only the blower motor not working.
if the bulbs are not bad, it is the fuse, if the fuse is good, its the wiring.
The principle of a fuse is to have the flow to the conductor. This will give it the power.
If the speedometer stopped working on a 1990 Cadillac Seville, it could be the fuse or an electrical problem. First check the fuse and if the fuse is good, check with a mechanic.
If a Passat 04 TDI's indicator lights are not working, check the fuse. A blown fuse can cause the lights to stop working.
If they both stopped working at the same time - check the fuse. Fuse # 20 in the underdash fuse panel.
a fuse bulb is a bulb in which the filament of the bulb burns and it stops working