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Hickok-Waekon 78265 Voltage Drop Pro Tester

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Voltage Drop PRO automatically tests vehicle wiring under load and measures voltage drop in the circuit. Don’t blow your fuse misdiagnosing an electrical problem.

Get it right and get it fast the first time!

Quickly diagnose these common problems and more:

  • Poor Grounds
  • Trailer electrical
  • Inoperative or intermittent
  • headlamps
  • Window / Lock Motors
  • Wiper Motors
  • Blower Motors
  • All other vehicle electrical circuits
  • Replacement of good parts due to mis-diagnosis


  • Displays continuous real time loaded/inloaded voltage measurements
  • Test VREF (Voltage Reference) circuits
  • 1 – 20 amp selectable current draw
  • Test power and ground side of circuit simultaneously.
  • Pinpoint modes display individual loaded voltage readings
  • New Platform
  • Benefits Pinpoint excessive resistance (Voltage Drops)
  • Computer safe – won’t blow circuits
  • User selected current draw simulates component
  • Identifies which wire in harness is suspect
  • Always current
  • Future Expandability


Weight 3 kg
Dimensions 38 × 28 × 11 cm