How to check car fuses. Check for a metal box with a door. If you have a multimeter there are two ways to check a fuse. Turn off the engine before you even start using your multimeter to test whether or not the fuses of your car are functional you need to confirm that the vehicle is turned off as well as the keys are out of the ignition port.
Steps to follow when testing car fuses with a multimeter step 1. Look for the fuse box in your basement or garage. To check a fuse visually remove it from the fuse holder and hold up to the light.
Turn off the ignition and disconnect the negative battery terminal. Inside youll see lots of glass fuses that screw into sockets. Inspect to see that the wire from end to end is intact.
This allows measuring the voltage at each side of the fuse without pulling it out. With the car completely off locate the fuse in question and remove it by grabbing it firmly with the fuse puller stored in the fuse box or with a pair of needle nose pliers. Locate the fuse panels.
Sometimes blown automotive fuses will be obviously blown sometimes even burnt. Small fuses in a car have the top portion of both pins protruding through the top of the fuse see the photo. Other times it may look intact or the wire might be too small to see well.
Turn off the power and unplug the appliances on the blown circuit. Most cars have two to three fuse boxes.
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