Buy the items featured in this video at 800 337 1720 or visit. Your cars fuse box holds a variety of fuses with different ratings and most likely several relays.
Man Testing The Fuse Box Stock Image Colourbox
How to test a fuse box. Secure the 12 volt test lights alligator clip to any bare metal. 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. Open the panel on the front of the fuse box by prying back its latch with your hand. Put one lead on each end of the. The blocks contain two types of fuses the older glass cartridge style fuses and the newer blade style fuses. There will also be a power fuse block located under the hood near the vehicles firewall.
Keep three replacement fuses on hand for each size fuse used in your fuse box. Once you have located the poles take the probes and place them on the negative and positive sides of the. It is located under the hood in the engine bay typically somewhere easy to get to that is less likely to be damaged in a collision. Never replace a fuse with one of higher amperage or use a copper penny in place of a fuse to restore power. A good fuse does not contain a broken connector and connects from one end of the fuse to the other. Testing the fuse 1.
How to test a car fuse box for a current step 1. Turn the vehicles ignition to the power on position without starting the engine. A fuse box also known as a fuse panel organizes all of the cars fuses in one area for easy access. When the circuit in your home quits working and you suspect that it is likely a blown fuse you can test that theory by using a multi meter for testing fuses. The picture shown below are of 2 good fuses. Turn the meter on and set it to measure continuity.
In this article were going to be looking at how to use a multimeter to test a fuse to check if it should be replaced. How to check a fuse by testing it with a multimeter presented by katie nyberg for galco tv. By setting the selector switch to ohms and setting it on a lower range you can test the resistance between the two points of the fuse. When working with anything electrical shut the power off to the device that youll be working on and check with a tester to make sure it. Make sure the device equipment or vehicle is turned off before the fuse. How to check a fuse at the home fuse box things you will need.
Besides the visual test the other way to check if a fuse is blown or not is by conducting an electrical test to check for continuity from one end of the fuse to the other. Electrical test of a fuse. This will measure the resistance of the fuse link if intact. However it is common for there to be an additional interior fuse panel inside the cab of the vehicle. All fuses have two terminals positive and negative one. In either way you need to locate.
This panel is commonly used for interior electronics. Testing the fuse using a multimeter locate the terminals. The blocks may also contain re settable circuit breakers. Fuses in homes typically are 15. Turn the dial on the multimeter so it points to the continuity. But before that to properly understand what it is were doing were going to be looking into the different types of fuses the different terms that one should keep in mind when talking about electrical devices and then finally well be looking into how exactly one should test a fuse using a multimeter.
Turn the equipment off and remove the fuse.