The ET2031B Universal Line Kit is a versatile, multi function diagnostic set designed for fast, secure connection to vehicle wiring during general engine testing and circuit evaluation. It enables quick probing, signal access, and component activation across a wide range of automotive systems, making it an essential tool for efficient fault finding and reliable electrical diagnostics.

This kit comes with a bonus multimeter - offering a comprehensive diagnostic solution.

• Dual-Function LED Testers - these two-way LED circuit testers allow for quick identification of power and ground signals, making fault-finding faster and more intuitive.
• Black & Red Multimeter Connector Leads - ensuring reliable connectivity for a wide range of diagnostic tasks.
• Round Terminal Adapters (Male & Female) to Banana Plug - male and female round terminal adapters connect seamlessly to standard banana plugs; ideal for interfacing with OEM wiring and connectors.
• Flat Blade Terminal Adapters (Male & Female) to Banana Plug - Includes flat blade terminal adapters for compatibility with common automotive spade connectors, improving versatility during testing.
• Variable Resistors with Banana Terminals - adjustable resistors allow technicians to simulate loads, test sensor circuits, and diagnose voltage dependent faults with confidence.
• Needle Style Piercing Probes - designed for clean, precise back-probing without damaging insulation; perfect for modern fine gauge wiring.
• Heavy Duty Alligator Clips - these rugged clips provide strong, secure connections to battery posts, chassis grounds, or test points, ensuring stable readings during diagnostic work.

Replacement black top handle for the Air Boy brake bleeder.

Replacement clear hose for Air Boy brake bleeders. This hose can be purchased individually, or as part of the brake bleeder refurbishment kit (124143155).