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ProFix Power Probe Circuit Tester, 12–24 V DC

ProFix

ProFix Power Probe Circuit Tester, 12–24 V DC

★ 4.5 (n_reviews)

A 12–24 V circuit tester for tracing feeds, earths and shorts — bulb, LED or powered probe.

$24.99 The price you see is the price you pay: duty and sales tax are already included, so nothing is collected on delivery.
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  • SKU PF-TST-PP
  • ships_from Shanghai, China
  • lead_time 45–60 days door to door
region_note_h Customs and duty: our DDP lanes include import duty and clearance, so the price on this page is the price you pay. Where the $3.48-per-item duty applies to low-value consignments, we group items into sets precisely so the cost is spread rather than multiplied.

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  • Choose a lamp to load the circuit or a high-impedance probe to leave it untouched
  • High-impedance probe reads a live wire without damaging a control module
  • Sharp stainless probe pierces harness insulation and seats in a connector terminal
  • Flexible lead with a crocodile clip leaves both hands free for the meter

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Shipping methodSea freight DDP — the lower 48 states, door to door
Duty statusDDP — import duty, clearance and door delivery included
Delivery time45–60 days door to door
Voltage range12–24 V
Weight0.35 kg
Packed size24 × 11 × 5 cm

What it is for

Circuit testing is how you decide whether a fault is a feed, an earth or a switch, and the tool you use decides how much you disturb the circuit. An incandescent test lamp draws enough current to prove a circuit under load; a high-impedance LED probe reads a wire without pulling it down. Knowing which one you are holding is the difference between a diagnosis and a guess.

These testers are listed with the voltage range they cover and the type of indication they give — bulb, LED, buzzer or a powered probe with its own supply. For 24 V systems choose a tester rated above your system voltage rather than exactly at it; on a modern vehicle with sensitive electronics, use the high-impedance mode so you do not back-feed a control module.

Specification detail

Rated 12–24 V DC with a coiled lead and a stainless steel probe; ABS plastic body with a crocodile clip on the earth lead. Lamp variants take a replaceable bulb, LED and powered variants draw under 10 mA in high-impedance mode.

Before you order

Check the size and quantity against your own job first: most returns in this category come from ordering the wrong diameter, finish or pack size rather than from a fault. If you are unsure, send us a photo or a measurement and we will confirm which variant you need.

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