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How to Test Car Fuses with a Multimeter

Model: (Various brands) Various
Part: Fuse box

The video shows two different ways to check if a fuse is intact. The simplest method is to turn the multimeter dial to 'buzzer' (it sounds like a radio wave or a speaker). Touch the two probes together: if you hear a 'beep', the multimeter is working correctly. Remove the fuse from its holder, touch one probe to one side of the fuse, and the other probe to the opposite side. If you hear the 'beep', the fuse is good (there is continuity); otherwise, the fuse is blown, and the internal filament is broken. Another method is the resistance test in Ohms. Turn the dial to the Ohm symbol on a low range (200 or 20k). The probes should not touch anything. The display will show 'OL' (over limit) or 1 (infinite resistance, open circuit). Touch the two probes together: you will see a very low value (0.2 or 0.5), which is the resistance of the wires. Now touch both sides of the fuse with the probes. If the value is very low (0.1/0.5), the fuse is good; if the value is high or 'OL', the fuse is blown. For high-power fuses, look for exposed contact points and touch them with the probes using either of the methods described.

Posted on 30 September 2026 by ScegliAuto

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How to Reset the EDC Light on an Iveco Eurocargo

The engine light on an industrial vehicle like the Iveco Eurocargo must not be ignored. An engine fault on a heavy vehicle can cause serious damage to itself and others. After servicing, you can reset the EDC light, which is equivalent to an engine light, using the following method. Get into the vehicle, close the doors, and turn on the ignition: press the "call" button on the right side of the steering wheel once, then press the "down" button on the left side of the steering wheel twice. Now press the "menu" button on the right side of the steering wheel (below the phone button) and the "plus" button on the left side of the steering wheel. Now press "Ok" (still on the "call" button) and the light will turn off. Turn off the ignition and turn it back on to verify.

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by ScegliAuto

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