Automotive Electrical Open & Short Finder
Stop Guessing. Find Electrical Problems Fast.
When wiring issues happen, most people waste hours tearing apart panels and chasing the wrong wires.
This automotive circuit tracer helps you locate, identify, and diagnose wiring faults quickly and safely—without damaging insulation.
Perfect for cars, trucks, RVs, boats, home wiring, and DIY repairs.
Why This Circuit Finder Saves You Hours
Accurate Wire Tracing — Even Behind Panels
This tool lets you precisely track wires and cables without cutting or piercing insulation. Easily locate hidden wiring inside bundles, conduits, dashboards, and tight engine bays.
Diagnose Shorts & Open Circuits in Minutes
Quickly identify short circuits, broken wires, and connection faults in automotive electrical systems. No more guessing — find the exact problem and fix it faster.
Complete Sender + Receiver Kit
The set includes both a signal transmitter and a receiver with a flexible probe. Trace wires, confirm connections, or label circuits with confidence and accuracy.
Easy for DIYers & Pros Alike
Simply connect the transmitter to the circuit, then scan with the receiver probe. Adjustable sensitivity helps you detect signals clearly in different environments.
Non-Destructive, Non-Contact Technology
No need to pierce wires or damage insulation. The non-contact signal detection keeps your vehicle wiring safe while testing.
Built for Real Automotive Use
Designed to operate on DC systems up to 42V, with internal protection against overloads and power surges for reliable, safe diagnostics.
Where This Tool Is Most Useful
• Tracing hidden wires under dashboards
• Finding broken or shorted circuits
• Diagnosing electrical issues in cars, trucks, RVs, and boats
• Locating wires behind panels or inside harnesses
• Checking connections before costly repairs
💬 What Experts and DIYers Are Saying
⭐⭐⭐⭐⭐ "Saved me hundreds in mechanic fees!" "I had a short in my truck's trailer wiring that I couldn't find for weeks. This tool found it in 15 minutes. No more tearing out the entire interior just to find a pinched wire. It's built much better than I expected." — Jason B., Michigan
⭐⭐⭐⭐⭐ "Truly dummy-proof." "I followed the beeping just like the video showed. When the tone stopped, that was the spot. I fixed my tail light without tearing up the whole harness. Absolute game changer for anyone who does their own mods." — Robert H., Arizona
⭐⭐⭐⭐⭐ "Versatile for home use too." "Bought it for my car, but it even helped me find a break in my old dryer’s wiring. If you do your own repairs or electrical fixes, this is non-negotiable. Your sanity will thank you!" — Sarah L., Ohio
Product Specifications
Type: Automotive Circuit Tracer / Open & Short Finder
Power Source: Battery Powered
Operating Voltage: DC 6–42V
Color: Black
Item Weight: 10.58 oz
Detection Method: Non-contact signal tracing
Package Includes:
• Signal Transmitter (Sender) ×1
• Receiver Probe ×1
• Connection Leads ×1 Set
• User Manual ×1
🛠️ How to Use (Step-by-Step)
Connect: Clip the transmitter to the wire or circuit under test.
Activate: Switch the transmitter to "Tone" to begin sending the diagnostic signal.
Trace: Glide the receiver's flexible probe along the wire path or behind panels.
Pinpoint: Listen for the beep. When the tone stops or changes, you’ve reached the short or open circuit point.
❓ Frequently Asked Questions
Q: Can it be used on AC household circuits? A: No, this is specifically designed for DC systems (6-42V) found in vehicles, boats, and low-voltage appliances.
Q: Is it safe for modern car computers? A: Yes. The tool is internally protected against power surges and overloads, making it safe for modern ECUs and sensitive electrical systems.
Q: Do I need to peel back the wire covers? A: Not at all. The inductive technology allows it to trace and find faults through carpets, dashboards, and wall panels without direct contact or damage.
🛡️ Shop with Confidence
Reliability Guarantee: Trusted by pro-mechanics for fast, accurate diagnostics.
30-Day Money-Back Guarantee: If it doesn't solve your electrical issue, return it for a full refund.
Fast USA Shipping: Dispatched from our local warehouse within 24-48 hours.
Secure Checkout: SSL encrypted payment processing to protect your information.
Got Questions? We've Got Answers.
How quick is delivery?
Your order will be dispatched within 24 hours.
Within 2-5 working days, the warehouse will transfer, inspect, and package the parcel, and then forward it to the logistics provider.
Delivery is 5 - 15 days depending on your location.
Is the 30 day trial risk free?
How do I contact you? How soon will I get a response?
We will reply to any of your questions within 48 hours, please be patient.