Upgraded Trailer Brake Tester DC 3-72V Circuit Tester with LED Display
Free Shipping
FREE Standard Shipping | Located in: United States
Returns
30 days returns | Seller pays for return shipping
3-72V and Bidirectional Voltage Testing
With 3-72V DC voltage testing range, attach the alligator clamp either to negative or positive ground, red and green light indicates circuits' polarity.
Buzzing Sound Alarm
When doing volt testing, one sound buzzing for positive voltage direction and double sound for negative.
Anti-lost Probe Cover
Anti-lost Silica Gel Needle Cover was designed as a part of the spring wire, no worry about losing it during testing or storage.
140 Inch Long Enough PU Spring Wire
High quality 140 inch long enough PU spring wire offers more flexibility, lighter and durable.
Upgraded Trailer Brake Tester Light - DC 3-72V Circuit Tester
This Heavy-Duty Digital LED Circuit Tester is designed for precision voltage testing and polarity indication, perfect for trailers, automotive circuits, and electrical diagnostics.
Key Features
| Feature | Description |
|---|---|
| Wider Voltage Range | Tests DC voltage from 3V to 72V, covering a variety of vehicles and circuits. |
| Bidirectional Polarity Test | Red and green LEDs clearly indicate positive or negative polarity. |
| Digital LED Display | Accurate voltage readout with 0.1V resolution for precise testing results. |
| Durable Design | Sturdy stainless steel probe with anti-lost rubber cover for added durability. |
| Longer Spring Wire | 140-inch PU wire provides more flexibility for hard-to-reach areas. |
| Buzzing Alarm | Single buzz for positive voltage, double buzz for negative, offering clear audio feedback. |
Why Choose This Tester?
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Versatile & Efficient: Ideal for automotive, trailer, and electrical diagnostics.
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High-Quality Construction: Built to withstand tough conditions and regular use.
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Easy to Use: Bidirectional clamp and digital LED readout ensure accuracy in any testing scenario.
Package Includes:
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1 x Trailer Brake Tester Light
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140-inch PU spring wire with alligator clip
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Anti-lost probe cover
Note: For best results, follow safety guidelines while testing electrical systems.
Shipping Policy
Item location:United States
Ships to: United States
If you have any questions, please contact our customer service folks. comi@autousa.com
RETURNS POLICY
After receiving the item, contact seller within 30 days, and seller pays for return shipping.
We do not accept returned products that have already been installed, please contact customer service for replacement or refunds All returns must include the following:
1.Original packaging (manufacturer's box, plastic bags, etc.)
2.Valid Return Merchandise Authorization (RMA)
3.All accessories (lubricant, stickers, installation instructions)
4.Manufacturer documentation (manuals, warranty cards, registration information, etc.)
5.The RMA number must not be written on the original manufacturer's packaging or box. Please write the RMA number on the label used to return the item or the return shipping box. Items received with any writing on the original manufacturer's packaging or box will be refused and returned to you at your cost and without credit approval.
