Horizon Tool 61500 12-Piece Master Back Probe Set - Electrical Diagnostic Kit

The Horizon Tool 61500 12-Piece Master Electrical Back Probe Set gives technicians fast, non-destructive access to live electrical circuits from the rear of connectors — no disassembly required. Designed for automotive diagnostic and repair work, this kit allows voltage and amperage readings to be taken while the connector remains fully seated and operational.

Key Features:

• Access electrical circuits from the back side of connectors without unplugging them
• Includes flexible back probes that can be bent or angled in any position without damaging the soft PVC sleeve — rated up to 30 volts
• Includes curved back probes rated for up to 25 volts or 10 amps
• Six pairs of back probes, each with a unique pin orientation for tackling a wide range of connector types
• All probes are compatible with standard 4mm banana plug connections
• Extended lead wires for convenient reach during live-circuit testing
• Straight, 45-degree, and 90-degree pin-type back probes included
• 1-year warranty

The 61500 is ideal for diagnosing wiring faults, testing sensors, and checking fuel injectors without disturbing harness integrity. Compatible with standard 4mm multimeter test leads, this master set is a must-have for professional technicians and serious DIYers alike.