How To use A Test light To Check Car Circuit
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 ...