- Wide range of application: effectively trace short circuits, locate wiring faults, test lighting circuits, and verify continuity for thorough automotive diagnostics. - Enhanced safety: built-in short circuit protection with a 6-24V DC test range; quickly detects poor ground connections to keep tests safe. - Improved accuracy and convenience: designed for reliable readings across automotive electrical systems; include a long 16 ft test lead for easier access and reduced repositioning. - Easy to operate: connect to the vehicle power, touch the tip to the circuit under test, and press the power button to activate the tester. - Key attributes: compatible with common automotive wiring, durable construction, compact size for handheld use, and strong performance for quick results. - Practical use scenarios: - Headlights or indicator lights not lighting up: verify power, ground, and continuity to locate the fault quickly. - Installing aftermarket accessories: confirm circuit integrity and polarity before final wiring. - Battery and charging checks: trace current paths and assess ground integrity during diagnostics. This tester helps you solve electrical issues faster with clear results, broad compatibility, and safer operation.