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Circuit Testing

Fuse Buddy DMM Adapter -- For ATC Fuse


Product Num: ESI 303B

Manufacturer: Electronic Specialties


Regular: $14.75
Sale: $13.28

Mini Fuse Buddy Current Loop


Product Num: ESI 307M

Manufacturer: Electronic Specialties

  • Clamp current probe over the loop and access the amperage draw through a fused circuit
  • Testing range 0 - 30 Amps

Regular: $16.95
Sale: $15.26

ATC Fuse Buddy Current Loop


Product Num: ESI 308B

Manufacturer: Electronic Specialties


Regular: $16.95
Sale: $15.26

Fuse Buddy Tester - For Mini Fuse


Product Num: ESI 302M

Manufacturer: Electronic Specialties

  • Circuit current from 0 to 20 Amps/48 Volts
  • Resolution .01A (10 mA)

Regular: $24.50
Sale: $22.05

Fuse Buddy Tester - for ATC Fuse


Product Num: ESI 304B

Manufacturer: Electronic Specialties

  • Circuit current from 0 to 20 Amps/48 Volts
  • Resolution .01A (10 mA)

Regular: $24.50
Sale: $22.05

30A Fuse Buddy Testers -- For Mini Fuse


Product Num: ESI 305M

Manufacturer: Electronic Specialties

  • Circuit current from 0 - 30 amps/48 volts
  • Resolution .1A (100 mA)
  • Plug in the FUSE BUDDY and read the circuit amperage draw
  • Great tool for electrical troubleshooting at the fuse box

Regular: $25.50
Sale: $22.95

30A Fuse Buddy Testers -- For ATC Fuse


Product Num: ESI 306B

Manufacturer: Electronic Specialties

  • Plug in the FUSE BUDDY and read the circuit amperage draw
  • Great tool for electrical troubleshooting at the fuse box

Regular: $25.50
Sale: $22.41

Trailer Buddy TM 4/5 Pin


Product Num: ESI 220

Manufacturer: Electronic Specialties

One Man Trailer Tester
  • Each signal from vehicle emits a unique tone
  • Loud beep can be heard over shop noise
  • One person makes complete test in 30 seconds!
  • Just apply brakes, turn signals, running lights and engage reverse
  • Tester also emits unique tone for any shorts in the wiring!
  • Greatly reduces time spent verifying vehicle trailer wiring
  • Very simple and easy to use - saves time!
  • Lighting Circuits Tested: Left Turn Signal, Right Turn Signal, Brake, Running Lights, Reverse and Wiring Shorts

Regular: $29.35
Sale: $26.42

Trailer Wiring Buddy 7 Pin Flat


Product Num: ESI 222

Manufacturer: Electronic Specialties

  • Tests round 7 Pin connectors with flat pins
  • Each signal from vehicle emits a unique tone
  • Electric brake control signal illuminates red LED
  • Loud beep can be heard over shop noise
  • Time Saver! Just apply brakes, right/left turn signals, running lights, engage reverse and 12 Volt Charging voltage
  • Greatly reduces time spent verifying vehicle trailer wiring
  • Very simple and easy to use - saves time!
  • Lighting Circuits Tested: Left Turn Signal, Right Turn Signal, Brake, Running Lights, Reverse, 12 Volt Charging, &Electric Brake Control

Regular: $34.50
Sale: $31.05

Relay Buddy


Product Num: ESI 190

Manufacturer: Electronic Specialties

  • Quick off-the-car relay tester
  • Checks relay coil & switch contacts
  • Fails bad relays
  • Automatic test with good/bad indication

Regular: $71.50
Sale: $60.08



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