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Over $200 Save $25 Promo Code: ACARBF25
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🔥 Black Friday Mega Sale — Choose ONE Discount
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· Buy 1 → Extra 10% off
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$25 off over $200 → ACARBF25
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$80 off over $550 →ACARBF80
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This tool is not only a life saver, but it’s a time saver as well! It’s very easy to use and the directions are easy to understand.
Was very surprised with this tool, used it to find a broken wire for a abs module, also used it for to find some blown fuses and used the multimeter. This tool deliver reliable and consistent readings, which is critical when troubleshooting electrical systems.
Overall, this is a great tool and works well. Does what it claims to do and has outstanding functions. The V500 Pro is simple to use, intuitive, and is relatively low cost for the options it provides.
Used it to find a broken wire in my wife’s car door harness. A shop quoted me $200 for diagnostics, but I fixed it myself. Paid for itself instantly.
Honestly didn’t expect this much for the price. It tests voltage, continuity, polarity, and even powers components. Feels like a professional shop tool.
It arrived and I have not tested the tool.
ACARTOOL is a proud authorized distributor of multiple leading automotive diagnostic brands. All products we sell are 100% genuine and brand-new, sourced directly from manufacturers to guarantee authenticity and quality.
With over 15 years of experience in the automotive diagnostic industry, we have established strong relationships with major brands, ensuring our customers receive reliable products, timely updates, and professional support worldwide.
To view our brand authorization certificates, please visit our About Us page.
Shop with confidence knowing that all our products are brand-authorized, authentic, and backed by years of expertise.
We offer worldwide shipping and operate multiple local warehouses in the United States, Canada, Europe, the United Kingdom, Mexico, and Brazil, allowing us to provide faster and more reliable delivery with reduced transit times.
Orders are typically processed within 24 hours on business days (Monday–Friday). Based on product availability and your delivery address, we will ship from the nearest available warehouse to ensure the quickest delivery time.
Please note that if your shipping address is classified as a remote area by the carrier, an additional remote delivery surcharge may apply. This surcharge is not covered under our free shipping policy.
Last Update: 2025/11/09
Return & Exchange Policy
Most products in brand-new condition—free from scratches or damage caused by the customer—can be returned or exchanged within 30 days of receipt. If the return or exchange is due to our error (for example, you received a wrong or defective item), we will cover the return shipping cost.
To initiate a return or exchange, simply contact our customer support and let us know the reason. We will guide you through the process and handle your request as quickly as possible. Once we receive and process your return or exchange, you will receive an email notification.
Refunds are usually processed within four weeks after we receive your return, though in many cases you may receive your refund sooner. This timeframe includes 5–10 business days for the carrier to deliver your return to us, 3–5 business days for us to process it, and 5–10 business days for your bank to complete the refund.
Last Update: 2025/11/09
We currently offer duty-free shipping to the US, EU, UK, and Canada.
If you are charged any import duties or customs fees upon delivery, don’t worry — we’ve got you covered. Simply provide us with a copy of the payment receipt or a clear photo as proof, and we will reimburse the full amount once your package is delivered.
Please note: Certain special promotions and clearance items are not eligible for duty reimbursement.
Last Updated:2025/11/09
The automotive power circuit probe tester is the ultimate 2-in-1 power circuit probe and diagnostic tester for professionals and DIYers. It combines smart diagnostics, multimeter functionality, oscilloscope mode, relay testing, injector testing, and much more into one compact unit — helping you solve electrical faults quickly, safely, and efficiently.

📊 Smart Multimeter Functions
Voltage: 0.1–100V
Resistance: 0Ω–200kΩ
Current: 2mA–25A
Frequency: 10Hz–1MHz
Diode Testing
Automatically detects and measures key parameters, reducing manual switching.
Visualize waveforms and capture intermittent or transient signal issues. Perfect for analyzing:
Voltage spikes
Signal dropouts
Frequency inconsistencies
Test relay function including:
Coil resistance
Switching delay
Activation & retention
Ensure circuit reliability and prevent random failures.
Simulate voltage input for:
Sensor testing (O2, temp, pressure)
Module debugging (CAN, relays)
LED indicator & signal simulation
Safe for low-voltage components with stable output.
Use the built-in transmitter and receiver to:
Locate open or short circuits
Identify wire breaks
Trace hidden wires
Detect current leaks in hard-to-reach spots
Evaluate injector spray pattern, response, and output using 4 preset pulse modes. Helps:
Detect blockages or leaks
Improve fuel system efficiency
Avoid unnecessary injector replacement
90° Rotating Screen: Easily view from any angle
Built-in Flashlight: Perfect for dark or tight spaces
Compact & Portable: Engineered for workshop and field use
✔ Cars, SUVs, Trucks, Motorcycles, Boats, Buses
✔ Operating Voltage: 9V–30V DC
✔ Supports 9 Languages:
English, Chinese, French, Spanish, German, Russian, Italian, Portuguese, Polish
Short/Open Circuits
Blown Fuses & Relay Faults
Faulty Sensors
Injector Performance
Grounding Issues
Signal Integrity
Wire Tracing
Automotive Technicians | DIY Mechanics | Fleet Maintenance | Electrical Troubleshooting | Workshop Diagnostics

✔️Your V500PRO Purchase Includes:✅ 3-Year Warranty
✅ Lifetime Technical Support
✅ 30-Day Money-Back Guarantee
✅ Free Global Express Shipping
✅ No Import Duties or Hidden Fees
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
Orders are processed within 24 hours on business days after payment is confirmed.
Shipping warehouses: We have warehouses in the U.S., Canada, U.K., France, Brazil, and other countries. We will ship from the warehouse closest to your delivery address based on stock availability.
Estimated delivery time:
You may request a return/exchange within 30 days of delivery. We recommend keeping the shipping box and product packaging until you confirm you will keep the item.
We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
For return/exchange due to personal reasons, the buyer is responsible for return shipping fees.
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
👉 For full details, see our Shipping Policy , Returns & Exchanges at the bottom of the page.
💬 Feel free to contact us anytime if you have questions. We are committed to timely and smooth communication with our customers — your satisfaction is our top priority.
Get the latest updates on new car scan tools and upcoming sales!
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