Heavy-Duty Continuity Tester for 6V-48V Automotive Electrical Systems | Tonny Tools
Designed specifically for professional automotive diagnostics and fleet maintenance, this heavy-duty continuity tester is compatible with 6V to 48V automotive electrical systems, providing rapid and reliable circuit verification in a completely de-energized state. Its housing is constructed from high-impact ABS material and features an exceptionally sharp probe tip, engineered to withstand the rigorous demands of high-intensity daily operations in commercial auto repair shops and assembly workshops.
As an experienced manufacturer of automotive tools, Tonny Electric & Tools presents this comprehensive kit, which includes three interchangeable probe tips designed to accommodate a diverse range of testing requirements-ensuring precise electrical diagnostics for everything from passenger cars, trucks, and trailers to heavy-duty industrial machinery.

Technical Specifications
| Parameter | Specifications & Details |
| Model Number | TE6-0710 |
| Voltage Range | 6V - 48V DC Systems |
| Polarity Indicator | Yes |
| Housing Material | Heavy-Duty ABS Plastic |
| Indicator Type | High-intensity light and integrated buzzer |
| Power Source | 2 x 1.5V Button cell batteries (included) |
| Kit Contents | 1 Hook probe circuit tester, 3 interchangeable tips, batteries |
Key Features & Commercial Benefits

- Features a high-intensity integrated light and an audible buzz indicator, providing foolproof testing clarity even in noisy, low-visibility factory environments.
- Seamlessly diagnostic-compatible with all standard 6V, 12V, 24V, and 48V electrical setups.
- Shipped as a complete kit containing 3 specific tips to match varied wiring, terminal blocks, and deep-set circuitry layouts.
- Ruggedized ABS casing prevents damage from accidental shop floor drops, ensuring long-term operational reliability.
Commercial Applications
This professional-grade, heavy-duty continuity tester is designed specifically for 6V–48V automotive electrical systems, making it particularly suitable for automotive repair centers, industrial electrical technicians, fleet maintenance operations, marine diagnostics, and commercial trailer wiring verification.
Our Service & Commercial Support
Rapid Support Response
Dedicated B2B client assistance operating 24/7 with guaranteed responses in under an hour.
Warranty & Protection
Full one-year hardware warranty counting from the arrival date, covering all manufacturing defects with free repairs or replacement components.
Hassle-Free Procurement
Streamlined remote technical diagnostics, straightforward replacement handling during active repairs, and transparent wholesale pricing scales.
B2B Supply Chain & Logistics
As a certified supplier operating under strict ISO9001 quality management standards, we optimize our production lines to offer competitive lead times and robust supply stability for international distributors, wholesalers, and tool brands.
FOB Ports: Shanghai / Ningbo.
Standard Lead Time: 30 - 45 days.
Packaging Type: Standard Commercial Packaging (Detailed net weight and package dimensions are available immediately upon request).
Payment Terms: T/T 30% deposit, 70% against copy of Bill of Lading (B/L).
Ordering Flow: Inquiry & Quote → Sample Testing → Proforma Invoice (PI) Confirmation → Mass Production.


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