Kingbolen ECT300 Car Circuit Tester is a universal automotive circuit tester designed for 12V and 24V systems. It combines four essential workshop tools into one handheld device: a Power Probe, Multimeter, Oscilloscope, and Component Activator. Key Diagnostic Capabilities 4-in-1 Versatility: Combines a Power Probe, Multimeter (Voltage/Resistance/Diode/Continuity), Oscilloscope, and Component Activator into one handheld device. Oscilloscope Mode: Features a real-time waveform display, allowing you to monitor high-speed signals like fuel injectors, crankshaft, and camshaft sensors. Bi-Directional Activation: Safely apply positive or negative battery current (up to 8A) to test components like cooling fans, fuel pumps, and headlights without jumper wires. Smart Indicators: RED LED: Positive circuit detected (displays voltage). GREEN LED: Negative/Ground circuit detected (buzzer sounds). Extended Reach: Equipped with a 32-foot (10-meter) cable, allowing you to test trailer lights and rear electrical systems with ease. Hardware & Safety Features of Kingbolen ECT300 Car Circuit Tester Reverse Polarity Protection: Protects the tool and the vehicle if the battery clips are connected backwards. 32-Foot (10-Meter) Cable: Provides “bumper-to-bumper” reach for long trailers, buses, and heavy-duty trucks common in Kampala’s transport sector. Heavy-Duty Probe Tip: Sharp stainless steel tip capable of piercing insulation for fast testing without stripping wires. Operational Environment: Operating Temperature: 0°C to 60°C (32°F to 140°F) Storage Temperature: -40°C to 70°C (-40°F to 185°F) Use Cases & Diagnostics for Kingbolen ECT300 Car Circuit Tester Locating Shorts/Opens: Rapidly identify broken wires or short-to-ground faults without tearing down the entire wiring loom. Relay & Switch Testing: Check for 0 ohms when closed and infinite ohms when open to confirm proper mechanical operation. Ground verification: Instantly verify if a grounding point is solid; the green LED and buzzer confirm a clean path to the negative terminal. Signal Analysis: Use the oscilloscope function to ensure sensors are producing stable waveforms rather than “noisy” signals. Package Contents 1 x Kingbolen ECT300 Main Unit (32ft Cable) 1 x Rugged Copper Probe Tip 1 x Auxiliary Grounding Lead 1 x Battery Hookup Clips 1 x Professional User Manual
