Jdiag P55 Vehicle Voltage Tester 12V 24V Power Probe Test for Automotive Electrical Diagnosis

The Jdiag P55 Vehicle Voltage Tester is an essential circuit test device for anyone working with automotive electrical systems. This versatile tool is designed for 12-24V power supply circuit diagnosis, making it suitable for a wide range of vehicles, including cars, trucks, SUVs, and even boats.

Key Features of the Vehicle Voltage Tester

1. Comprehensive Functionality

The Jdiag P55 is not just a basic voltage tester; it is packed with advanced features that streamline the diagnostic process:

• Component Activation: Easily activate various vehicle components such as oil pumps, fuel pumps, and solenoids.
• Continuity Testing: Perform thorough continuity tests on wires and components, with visual indicators for easy interpretation.
• Ground Detection: Quickly verify grounding issues by testing the negative pole of components.

2. User-Friendly Design

The compact design of the P55 makes it easy to handle, while the dual LED torch function ensures visibility in low-light conditions. This thoughtful design enhances usability, allowing technicians to work efficiently in any environment.

3. Safety Features

Safety is paramount when dealing with vehicle electrical systems. The Jdiag P55 includes:

• Reverse Connection Protection: Prevents damage to the tester and vehicle components in case of incorrect connections.
• Overload Protection: Safeguards the device against excessive current, ensuring longevity and reliability.

How to Use the Jdiag P55 Vehicle Voltage Tester

Using the Jdiag P55 is straightforward, making it accessible for both professionals and DIY enthusiasts.

Step-by-Step Operating Instructions

1. Connecting the Tester: Attach the red clip to the positive terminal of the vehicle battery and the black clip to the negative terminal.
2. Testing Circuits:
   • When the probe contacts the positive circuit, the device will light up red.
   • When the probe contacts the negative circuit, the device will light up green.
3. Performing Continuity Tests: Use the probes and auxiliary grounding wires to check for continuity in wires and components. A green light indicates a successful test.
4. Short Circuit Tracing: Cut the damaged fuse and touch each fuse point with the probe. A green light signals a short circuit, allowing you to trace and locate the fault accurately.

Versatile Applications

The Jdiag P55 voltage detector is designed to support a wide range of vehicles and applications, including:

• Testing Trailer Lights and Connectors: Ensure the functionality of trailer lights and connectors by using the tester with the auxiliary grounding wire.
• Jump-Start Guide Function: Use the device as a long jump-start guide while taking precautions to prevent short circuits and overloads.

Specifications of the Jdiag P55 Vehicle Voltage Tester

• Model: P55 car voltage tester
• Supply Voltage: DC 12-24V
• Operating Current: 80mA
• Activation Current: 0-8A
• Operating Temperature: 0-60°C
• Storage Temperature: -40-70°C
• Cable Length: 4M
• Weight: Approx. 210g

Conclusion

The Vehicle Voltage Tester is an efficient and advanced tool that significantly enhances the diagnostic capabilities of automotive technicians. With its comprehensive features, user-friendly design, and safety protections, it is an invaluable addition to any automotive toolkit. Whether you're a professional mechanic, the automotive voltage tester will help you diagnose electrical issues quickly and accurately, improving your overall work efficiency.