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🔧 Diagnose like a pro, anywhere, anytime — don’t get left in the dark!
The Topdiag P100 is a professional-grade automotive power circuit probe tester designed for 12V and 24V vehicles. Equipped with a built-in circuit breaker for safety, it offers extensive diagnostic functions including AC/DC voltage, resistance, continuity, polarity, and relay testing. Featuring dual 20ft extension cables, it provides unmatched mobility and accuracy. Backed by a 1-year warranty and 24/7 tech support, it empowers vehicle owners and technicians to quickly identify electrical issues with confidence.










| ASIN | B0BZD7PGZR |
| Best Sellers Rank | #78,081 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #128 in Circuit Testers |
| Brand Name | TopDiag |
| Color | Black |
| Compatible Devices | Vehicles with 12V or 24V electrical systems |
| Customer Reviews | 4.6 4.6 out of 5 stars (464) |
| Item Dimensions | 9.84 x 3.35 x 7.48 inches |
| Manufacturer | Topdiag |
| Measurement Type | Multimeter |
| Minimum Operating Voltage | 12 volts |
| Model | Topdiag P100 |
| Number of Items | 1 |
| Part Number | Topdiag P100 |
| Power Source | Corded Electric |
| Style Name | P100 |
| UPC | 753955453710 |
| Unit Count | 1 Count |
| Upper Temperature Rating | 50 °C |
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