Vehicle Repair Guides

Step 1 locate the fuse block on your vehicle with the help of a work light or flashlight the main fuse block is usually located underneath the dash on the drivers side of a vehicle. What are the possible causes of the car fuse blowing.

How To Check The Cartridge Fuse Used In Hvac With An Ohmmeter Fuses Part 5 Youtube

Now put the positive and negative leads together and look at the reading being shown.

Check car fuses with multimeter. Especially to be able to test a fuse with a multimeter you must use the continuity mode on your multimeter. Steps to follow when testing car fuses with a multimeter. Before you test a fuse with a multimeter turn off the equipment and remove the fuse by pulling it straight out of its slot.

After you do this remove the fuse by gently pulling it out of its slot. Both types of cartridge fuses can be bought in 250 v and 600 v variants. Cartridge fuses can be found in multimeters stereos tvs and almost every other household appliance.

Then you must connect each of the multimeter probes to each end of the fuse. Turn on your multi meter and set the selector to ohms which is the setting that measures resistance. Turn off the engine.

Next put one lead on each end of the fuse and check the reading. Check the multimeter reading. Find the bad fuse with a multimeter.

There will also be a power fuse block located under the hood near the vehicle s firewall. If you are not sure which type of cartridge fuse according to voltage have you bought you can check it on one of the caps on fuse ends. If you can detect continuity on your multimeter then it means the fuse is good.

Turn the meter to ohms then touch the positive and negative leads together and check the reading. Set the dmm to measure voltage in the 12 v range or auto range and connect the negative test lead to ground such as the battery negative terminal or any bare metal. A high impedance digital multimeter dmm can be used to check an automotive fuse.

Turn the car and the equipment that the fuse is a part of off.