Note: If you need the battery, pls choose the option with battery !!!
EM415PRO Automotive Wire Tracer & Circuit Tester
Top 20 Must-Have Tool in China’s Automotive Aftermarket
The EM415PRO is a professional, user-friendly circuit diagnostic tool designed to simplify electrical troubleshooting for vehicles and equipment. It instantly detects and alerts you to open circuits, short circuits, broken wires, current leaks, and intermittent connections—helping you pinpoint problems fast, eliminate guesswork, and maximize efficiency. Compatible with all 6–42V DC circuits (ideal for cars, trucks, tractors, boats, RVs, and more), this tool is a game-changer for mechanics, DIY enthusiasts, and fleet managers alike.
Core Benefits
- Save Time & Boost Income: Locate electrical issues in minutes (no more trial-and-error).
- Versatile Application: Works on modern 42V systems and traditional 6–12V circuits.
- Non-Contact & Safe: No wire piercing required—protect insulation and avoid damage.
- Intermittent Problem Detection: Flex wires/connectors while listening for tone changes to identify hidden issues.
️ Key Features
- Circuit Tracing: Track wires through bundles, conduits, panels, carpets, or upholstery with precision.
- Short/Open Circuit Location: Clearly identifies short circuits and pinpoints open connections (direction indicator guides you to the source).
- Continuity Check: Verify if cables/wires are intact with a simple test.
- Wire Identification: Distinguish specific wires in complex harnesses (works on telephone lines too).
- Telephone Line Testing: Detect line status (clear, ringing, busy) and send single/dual alternating tones for tracing.
- Durable Flexible Probe: 7-inch coiled steel probe bends to reach wires in tight, congested areas.
- Adjustable Sensitivity: Customize detection range for different tracing scenarios.
- Built-in Protection: Internally shielded against power surges and overloads for long-term reliability.
- **Visual/Audio Alerts: LEDs on the transmitter/receiver and adjustable tone signals confirm circuit status at a glance.
Technical Specifications
| Parameter | Details |
|-----------|---------|
| Power Supply | 2 x 9V Batteries (Not Included) |
| Working Voltage | 6–42V DC (compatible with 42V hybrid/electric vehicle systems) |
| Dimensions | Length: 17 cm / Width: 4 cm / Height: 15 cm (corrected for consistency) |
| Probe Material | Coiled Steel (flexible, durable) |
| Item Type | Electrical Tester & Wire Tracer |
| Special Feature | Non-contact short/open circuit finder with direction indicator |
How to Use
1. Connect the Transmitter: Attach it in series with the circuit under test (e.g., replace a blown fuse, connect across a connector, or in line with an open wire/light bulb socket).
2. Select Signal Type: Choose single solid tone or dual alternating tone (for telephone lines, use line status detection).
3. Trace with the Receiver: Use the flexible probe to scan the circuit. For best results, hold the probe tip (black cap) perpendicular (90°) to the wire, above or below it.
4. Interpret Alerts: Listen for tone changes (indicates proximity to the target wire) and check LEDs for open/short circuit status. Adjust sensitivity as needed for dense wire bundles.
Package Included
- 1 x EM415PRO Transmitter
- 1 x EM415PRO Receiver (with flexible probe)
- User Manual (simplified step-by-step guide)
-1xBlack Bag
Why Choose EM415PRO?
Engineered for professionals, this tool combines accuracy, durability, and ease of use—no advanced technical skills required. Whether you’re fixing a broken headlight wire, tracing a short in a trailer harness, or diagnosing intermittent electrical faults, the EM415PRO delivers consistent results. Its wide voltage range and non-contact design make it suitable for both old and new vehicles, ensuring it’s a long-lasting addition to your toolbox.
Invest in the EM415PRO to reduce downtime, avoid costly mistakes, and take your electrical troubleshooting to the next level!




