Trace Polarity, Continuity and Shorts in 6–24 V Vehicle Circuits
A probe-style power circuit tester for the electrical systems of cars, motorcycles, trucks and SUVs within DC 6–24 V. It checks polarity and continuity, traces short circuits, tests grounds and can power components directly.
- Red/Green Polarity Light
- Buzzer Alert
- Component Activation
- 4 m (13 ft) Lead
Key Features
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Polarity at a Glance
Touch the metal probe tip to an unknown contact point: a red light indicates positive and a green light indicates negative.
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Continuity Testing
Find open circuits and poor contacts, such as a blown fuse or a bad switch or relay connection. The test is designed not to damage sensitive components such as ECUs and sensors.
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Component Activation
Power starters, fuel pumps, cooling fans, headlights, blowers and other components directly from the probe.
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Buzzer Warning
The buzzer sounds when a component defect is found or when a part’s rated current is higher than the tester’s.
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Comfortable Grip
An ABS handle shaped to fit the palm, so it is easy to hold and does not slip easily.
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Whole-Vehicle Reach
The long cable lets you test circuits across the entire vehicle.
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