Car Voltage Circuit Tester – 6V/12V/24V Auto Diagnostic Probe Pen

Car Voltage Circuit Tester – 6V/12V/24V Auto Diagnostic Probe Pen

Find electrical faults fast. This circuit tester probe lets you quickly identify live wires, test fuses, check switches, and diagnose wiring issues in any vehicle — a must-have for any DIY mechanic or auto enthusiast.

Why You'll Love It

• Works on 6V, 12V & 24V systems — compatible with cars, trucks, motorcycles, and commercial vehicles
• LED & buzzer indicator — bright light and audible signal confirm live circuits instantly
• Sharp probe tip — pierces wire insulation for back-probing without damaging connectors
• Built-in ground clip — long lead clips to any chassis ground point for easy solo use
• Compact & durable — fits in any toolbox or glove compartment for roadside diagnostics

Perfect For

Car and truck electrical diagnosis, fuse testing, switch checking, trailer wiring, boat electrics, and general automotive troubleshooting.

Specifications

• Voltage range: 6V / 12V / 24V DC
• Indicators: LED + buzzer
• Includes: Ground clip lead