Car Repair World

How to Use Voltmeter Helpful Information A digital voltmeter is ideal for home and shop use for troubleshooting and locating faulty wiring. A digital voltmeter can be used to check for good continuity of an electrical circuit by using the ohms of resistance feature. To check for power at a particular electrical circuit, locate a good clean ground before testing begins. Digital Voltmeter Function Range DC Voltage 200mV to 1000V AC Voltage 200mV to 750V DC Current 200A to 10A Ohms200 to 2M Diode Check Transistor Check Easy step by step guide on how to use a voltmeter, this information pertains to all car related applications. Difficulty Level - 2 A voltmeter is usually used in many ways in the automotive repair field, its most basic function is to check for voltage at a particular component such as a battery, brake light or switch. Step 1  - To check for voltage (12 volts) at a particular accessory switch the meter to the DC voltage setting. Voltmeter...

Test Light Instructions Test light circuit Tester Helpful Information A test light utilizes a bulb held in a probe attached to a sharply pointed rod with a connection lead. This design is optimal for piercing a wire, testing a fuse or checking the surface charge of a battery. If power is present, the bulb will illuminate confirming the circuit has power and is operating properly. Also, reversing the test light lead to the positive battery to be able to check for system ground continuity. A voltmeter is used to check resistance and to give a voltage reading which can be used for more in-depth troubleshooting. Easy step by step guide on how to use an automotive test light, information pertains to all 12 volt vehicles. Difficulty Scale: 2 of 10 Step 1  - A test light is needed to perform electrical power and ground testing to facilitate automotive repairs, this tool is easy to use and is reasonable priced. Test Light Step 2  - Before staring any testing the ...