We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

Westward

Westward Circuit Tester 6/12/24V

SKU CH-TX45-EBZA9

Tests 6, 12 and 24 volt circuits with illuminated probe and four foot cable

  • Tests 6/12/24V circuits for automotive electrical diagnosis
  • Bulb lights instantly when circuit is complete
  • Pierces insulation or contacts terminals without stripping wires
  • Includes cable and alligator clips for secure connections
  • 4 ft probe reach lets you test from a distance

Westward 6/12/24V Circuit Tester

This Westward circuit tester checks electrical systems at six, twelve and twenty-four volts. It is built for automotive and light-industrial technicians who need a simple go/no-go indication on battery-powered circuits. The probe pierces insulation or contacts terminals directly, and a bulb in the handle lights when the circuit is complete. The kit ships with the tester, a cable and alligator clips for immediate use.

Sustained-load behaviour

The bulb illuminates continuously while the probe detects a complete path, giving a steady visual cue during extended diagnostics. No internal battery or active electronics are present, so the tool does not overheat or drift during long test sessions. Performance depends entirely on the external circuit voltage staying within the rated six-to-twenty-four-volt range. The four-foot receiver-to-transmitter distance limits how far the operator can reach from the connection point.

Installation and common issues

Clip the alligator leads to a known good ground and the battery positive, then probe the target wire or terminal; the bulb lights instantly if continuity exists. The sharp probe tip can damage thin insulation if pressed too hard, and the four-foot cable restricts movement in large engine bays. California Proposition 65 warnings note that the product contains chemicals linked to cancer and reproductive harm, so gloves and hand-washing are advised after handling.

Highlights

  • Tests 6/12/24V circuits for automotive electrical diagnosis
  • Bulb lights instantly when circuit is complete
  • Pierces insulation or contacts terminals without stripping wires
  • Includes cable and alligator clips for secure connections
  • 4 ft probe reach lets you test from a distance

Specifications

BrandWestward

Questions about this item

Does the tester draw noticeable power or generate heat when left connected to a 24 V system for a full day?

The bulb lights only while a complete circuit is present, so the tool draws negligible current and produces no perceptible heat during continuous use.

What existing equipment is required before the Westward Circuit Tester 6/12/24V can be used?

You need a 6 V, 12 V or 24 V battery source and accessible wiring or terminals to probe; the included cable and alligator clips handle the connection.

Will the probe and bulb assembly work reliably on older 6 V vehicle wiring that has brittle insulation?

The probe is designed to pierce insulation or make terminal contact, and the handle bulb lights whenever the circuit is complete, regardless of the wiring age.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.