Cordless Polarity Computer-Safe Circuit Tester

  The CT8007 is a computer safe, all solid state electronics circuit tester. Unlike regular test lights, this high-impedance circuit tester is safe to use around automotive computers, electronics, ecm's, sensors and air bags.

Rugged, built to last and simple to use, is self powered (no batteries needed) and it requires no wire or clip connector to ground. The CT8007's LCD display shows polarity, allowing users to check for power and ground in less time that it takes to set-up a regular test light. Specially designed for use in automobiles, trucks, tractors, trailers, RV's, motorcycles, boats and any DC powered circuit from 3 to 28 volts.


General Technologies Corp. CT8007 Solid-State Cordless / Computer-Safe Circuit Tester

Technical Specifications


  • Rugged Solid State electronic voltage detector needs no wire or clip connector to ground
  • Safe around automotive microcomputers, electronics control modules, sensors, etc.
  • Specifically designed for use on autos, trucks, trailers, RV's & boats.


  • CT8007
  • Cap with pocket clip
  • Instructions