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Electrical Troubleshooting Tools

Electric Troubleshooting Tools

Jumper wire




- A jumper wire is used to create a temporary circuit. Connect the jumper wire between the terminals of a circuit to bypass a switch.

CAUTION: Do not connect a jumper wire from the power source line to a body ground. This may cause burning or other damage to wiring harnesses or electronic components.

Voltmeter




- The DC voltmeter is used to measure circuit voltage. A voltmeter with a range of 15 V or more is used by connecting the positive (+) probe (red lead wire) to the point where voltage will be measured and the negative (-) probe (black lead wire) to a body ground.

Ohmmeter




- The ohmmeter is used to measure the resistance between two points in a circuit and to check for continuity and short circuits.

CAUTION: Do not connect the ohmmeter to any circuit where voltage is applied. This will damage the ohmmeter.
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