Circuit Master by S&G Tool Aid®

If you're looking for a reliable solution to complete your project, this 1st-grade product is right up your alley. Designed utilizing the finest materials, it delivers unmatched levels of durability and strength needed to provide long-lasting service life. Superior in functionality, it will help you make any job easier and faster.

FEATURES:

• "Circuit Master" is the modern universal circuit tester for all vehicles. Use to test all primary electrical circuits plus any on-board computer systems.
• Test computer circuits without fear of causing damage to expensive electronic components. Completely safe to use on microprocessor control modules.
• Operating range from 3-15 volts.
• Current draw is less than 21 milliamps at 12 volts D.C.
• Long life LED glows when voltage is sensed at probe and indicates polarity:
  Red = + (Positive)                    Green = - (Negative)
• Use to locate shorts, opens and intermittents.
• Made of high impact chemical resistant plastic.
• Supplied with a 4 foot ground wire.
• All solid state construction.
• "Circuit Master" is supplied with Protect-A-Terminal, Probe Adapter (Part No. 21713), which will not deform sensitive female terminals at computer connections.

This product has been discontinued