

Desertcart purchases this item on your behalf and handles shipping, customs, and support to South Africa.
🛠️ Stretch your reach, not your patience — test smarter with OTC 3642!
The OTC 3642 Truck Electrical Circuit Tester is a professional-grade diagnostic tool designed for 12V to 24V truck systems. Featuring a 7-inch stainless steel probe and an extra-long 24-foot coiled cord, it offers unmatched reach and precision. Its oversized clamp ensures secure grounding on larger components, making it an essential tool for technicians seeking reliable, efficient circuit testing.



| ASIN | B005J3KR92 |
| Best Sellers Rank | #252,863 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #337 in Circuit Testers |
| Brand | OTC |
| Brand Name | OTC |
| Color | Red |
| Compatible Devices | Trucks, Cars, Other 12V-24V Vehicles |
| Customer Reviews | 4.6 out of 5 stars 189 Reviews |
| Global Trade Identification Number | 00731413505805 |
| Included Components | 12V–24V Truck Circuit Tester |
| Item Dimensions | 13.9 x 2.1 x 0.1 inches |
| Item Weight | 12 ounces |
| Item dimensions L x W x H | 13.9 x 2.1 x 0.1 inches |
| Manufacturer | OTC |
| Measurement Type | Voltmeter |
| Minimum Operating Voltage | 12 volts |
| Model | 3642 |
| Number of Items | 1 |
| Part Number | 3642 |
| Power Source | Battery Powered |
| Style | Modern |
| Style Name | Modern |
| UPC | 731413505805 071090090493 012302669731 031112405643 971474694401 666661072208 012303704974 523161182243 |
| Unit Count | 1 Count |
| Warranty Description | 90 day Limited Warranty |
Trustpilot
4 days ago
2 days ago