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Circuit Tester

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Features and Benefits:

• Will Not Harm On-Board Computers.
• Circuit Master is the modern universal circuit tester for all vehicles.
• Use to test all primary electrical circuits plus any on-board computer systems.
• Test computer circuits without fear of causing damage to expensive electronic components.
• Completely safe to use on microprocessor control modules.
• Operating range from 3-15 volts.
• Current draw is less than 21 milliamps at 12 volts D.C. Long.