2-in-1 Automotive Circuit & Relay Tester
2-in-1 Automotive Circuit & Relay Tester
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2-in-1 Automotive Circuit & Relay Tester
2-in-1 Circuit Tester: Diagnose Faster, Guess Less
Tired of guessing when your vehicle won’t start or electrical parts stop working?
2 In 1 Automotive Circuit Tester combines circuit testing and relay testing in one tool— helping you accurately diagnose a wide range of electrical faults without repeatedly removing parts. Ideal for DIY car owners and professional mechanics.
6 Essential Tests, Complete Vehicle Diagnosis
✅ Voltage Test
✅ Polarity Test
✅ Continuity Test
✅ Short Circuit Test
✅ Leakage Test
✅ Drive Test
Cover a wide range of automotive electrical testing needs with one tool.
Clear Visual & Audible Alerts, Confident Testing
Get instant feedback with LED indicators and a built-in alarm—helping protect your battery and tester while reducing guesswork.
Wide Vehicle Compatibility
Car Relay Tester compatible with 12V/24V vehicle systems and standard 4-pin & 5-pin relays.
🚙 SUVs & Cars
🚚 Trucks & Vans
🏍 Motorcycles
🚜 Off-Road Vehicles
⚙️ Commercial Vehicles
How to Use Automotive Circuit Tester
Connect
Red clamp to +, black clamp to –.Test the Circuit
Touch the probe to the test point and read the voltage/polarity.Test the Relay
Insert a 4-pin or 5-pin relay and check the result.
Even Beginners Can Diagnose with Ease.
SPECIFICATIONS
Model: DW833
Voltage Range: DC 3.5V–36V
Relay Testing: 12V / 24V Compatible
Relay Types: Standard 4-Pin & 5-Pin Automotive Relays
Display: Digital Voltage Display
Power Supply: Vehicle Battery Power
Operating Temperature: -4°F to 131°F
Package Weight: 0.838 lbs (0.38 kg)
Package Dimensions: 11.81 × 3.15 × 2.56 in (30 × 8 × 6.5 cm)
PACKAGE INCLUDES
Automotive Circuit Tester × 1
User Manual × 1
FAQ
Q: Can the power circuit probe tester test fuses?
A: Yes. Electric Circuit Tester can test fuse voltage, polarity, and continuity to help identify blown fuses or power-loss issues in DC electrical systems.
Q: Is the electric circuit tester easy to read in the dark?
A: Yes. Automotive Circuit Tester is easy to use in dark areas like engine bays, under dashboards, and tight wiring spaces. The backlit digital display and built-in LED work light make voltage readings clear in low-light conditions.
Q: Does the circuit breake finder have a long cable?
A: Yes. Circuit Breake Finder includes a 14.7 ft extension cable, allowing you to test from the engine bay to the rear of the vehicle without constantly moving the battery connections.
Q: Can the car relay tester test trailer lights?
A: Yes. Car Relay Tester can test trailer lights, vehicle wiring, and other compatible 12V/24V DC electrical systems. It checks voltage, polarity, power, and ground conditions, making it a reliable automotive tool for everyday electrical troubleshooting.
Q: Is the automotive circuit tester easy to use for beginners?
A: Yes. Automotive Circuit Tester uses a simple Connect → Probe → Read process with clear voltage and polarity readings, making it easy for beginners and a useful addition to diy home improvement tools.
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