Description
KINGBOLEN • Automotive circuit probe tester ECT200
The KINGBOLEN ECT200 is a professional-grade circuit probe tester engineered for both 12V and 24V automotive electrical systems. Constructed with durable stainless-steel sharp probe and equipped with a long 16.5-foot cable, it empowers technicians, advanced DIYers, and car repair enthusiasts to pinpoint issues like short circuits, bad grounds, and faulty components efficiently. Its dual-color LED indicators and audible alert simplify polarity detection, while built-in protections guard against overload and reverse connection. Designed to accelerate diagnostics and elevate repair accuracy.
Key benefits
- Extensive 16.5 ft test cable reaches full vehicle length for thorough inspection
- Dual-color LEDs and buzzer alert clearly identify positive vs negative pole
- Supports multiple test functions including voltage measurement, continuity, diode testing, component activation, ground test
- Built-in over-load and polarity protection to preserve safety and durability
- Operates directly from vehicle battery; no external power source required
Supported functions
Depending on vehicle compatibility the following functions are supported:
- Voltage measurement
- Short-circuit finding
- Component activation (e.g. headlights, cooling fan, fuel pump)
- Diode testing
- Continuity testing
- Positive & negative polarity detection
- Ground connection check
- Trailer lights test and jumper output
Included items
- 1 × circuit probe tester (Model ECT200)
- 1 × 16.5 ft test cable
- 1 × stainless-steel sharp probe attachment










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