Tester Bulb (former part #104 or 10106)* - Thexton Mfg Co

Part #: 10107

The Thexton Mfg Co 10107 Tester Bulb is a fundamental diagnostic instrument engineered for professional automotive and industrial technicians. This robust electrical tester, a direct successor to part numbers 104 and 10106, provides a reliable and immediate visual indication for verifying the presence of power in various circuits, streamlining troubleshooting processes.

Key Features

  • Reliable Circuit Verification: Delivers a clear visual indication of live circuits, essential for quick power presence checks.
  • Professional-Grade Durability: Constructed to endure the rigorous conditions of professional workshops and industrial environments.
  • Broad Application Compatibility: Effectively tests 12-volt and 24-volt electrical systems common in automotive, truck, and heavy equipment applications.
  • User-Friendly Design: Features a straightforward operation for efficient and accurate circuit diagnostics.
  • Compact and Portable: Easily fits into toolboxes, ensuring it's readily available for on-site and in-shop electrical checks.

Applications

The Thexton 10107 Tester Bulb is an indispensable tool for a multitude of electrical diagnostic scenarios. Professional mechanics and technicians can leverage this tester to quickly identify blown fuses, confirm power supply to wiring harnesses, verify the functionality of light sockets, troubleshoot trailer lighting systems, and assess voltage presence at various components in vehicles, heavy machinery, and industrial control panels. Its ease of use makes it a go-to tool for preliminary fault isolation, accelerating repair times.

Usually In Stock Usually ships in 24-48 hours Manufacturer Direct

$0.43

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This product was added to our catalog on Saturday 11 July, 2026.

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