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Short and open circuit finder: receiver, sender and clip leads

Car electrics

Short & Open Circuit Finder

A tracing tool with a sender and receiver that follows a signal along the wiring, so you can locate short circuits and broken wires without taking the whole car apart.

Low-voltage use only. Never use it on high-voltage circuits in electric or hybrid vehicles, or on mains power. It does not replace a multimeter.

449,00 kr Was 898,00 kr −50%

  • Finds short circuits and open circuits

  • Traces through panels and trim

  • Flexible probe for tight spaces

  • For 6–42 V DC systems

Choose your set

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Good to know

Low-voltage use only. For 6–42 V DC vehicle systems. Never use it on high-voltage EV/hybrid circuits or mains electricity. It doesn't replace a multimeter.

  • Sender unit with clip leads
  • Handheld receiver with flexible probe
  • For 6–42 V DC systems
  • Locates short and open circuits

  1. Remove the blown fuse and connect the sender across the fuse terminals as described in the manual.
  2. Switch on the receiver and follow the wiring loom.
  3. The signal changes where the fault is.
  4. Repair the wiring, then fit a new fuse of the correct rating.

  • Receiver with flexible probe ×1
  • Sender unit ×1
  • Clip leads, red & black ×1 set

Coil the leads loosely, keep the probe dry and remove batteries if storing for a long time.

Free shipping on every order. You have a 14-day right of withdrawal – see our shipping and returns policies for full details.

See it in action

Guessing vs. tracing.

Trace through the trim

Instead of: strip panels to look.

Find the cause

Instead of: replace fuse after fuse.

Follow the signal

Instead of: hours of guesswork.

Diagnose it yourself first

Instead of: workshop diagnostic fee.

Without a tracer vs. with the circuit finder.

Questions, answered plainly.

It's for 6–42 V DC systems – most cars, motorcycles, vans and many trucks. Never use it on high-voltage EV or hybrid circuits.

Yes, it's a tracing tool and doesn't replace a multimeter for measuring voltage or resistance.

The receiver can pick up the signal through trim and insulation, which helps you narrow down where to look before removing anything.

Check the product listing and manual for battery type and whether batteries are included.

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  • One tool, one job
  • Clear specifications
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Safety information

Always follow the tool and vehicle manufacturer's instructions. Brakes, airbags and high-voltage systems are safety-critical – if in doubt, use a qualified technician. Electrical testers are for 12/24 V systems only.

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