Thursday, May 22, 2014
Car Electrical System Troubleshooting
A vehicle that shows signs of electrical problems can be frustrating, as many people use to tamper with electricity. However, with the right tools and information, even a novice can troubleshoot some of todays common auto electrical issues.
Circuits & Voltage
Components in an electrical circuit cannot be powered without voltage. Theore step one in troubleshooting for electrical problems in a vehicle is to see if voltage is reaching the circuits load point, for example a light bulb. A test light or voltmeter will work well when performing this check.
Circuit Breakers & Fuses
An absence of voltage at the circuits load point could be due to blown fuses or issues with the circuit breaker. Replacing fuses will often only bring about temporary fixes until the problem that caused the blown fuse in the first place is found. A jumper wire can be used to bypass a circuit breaker, allowing you to check it. A working circuit means a non-working circuit breaker.
Intermittent Troubleshooting
Intermittent electrical issues are considered to be the most difficult kind to deal with, and often stem from loose wire connections. Because of this, wiggling the wires while testing for changes in voltage could help reveal the location of the bad connection.
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