Harbor Freight Tools


Circuit Tester Set, 3 Piece

Check voltage and continuity in cars, trucks and motorcycles

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This circuit tester set includes the tools to test electrical systems in most vehicles. Test continuity, 6/12v circuits and 18/24/36v circuits in cars, trucks, trailers, boats, and motorcycles.

  • Continuity tester, 6/12 volt tester, 18/24/36 volt tester
  • For use on cars, trucks, boats, trailers and motorcycles
  • Needle point probes

Important Information

  • Continuity tester requires one AA battery, sold separately.
  • This item is subject to a 20% restocking fee

63612, 94130
Battery(s) Required
one AA
Battery(s) Included
Product Height
1-1/2 in.
Shipping Weight
0.65 lb.
CA Residents
Warning - Prop 65 Info
Note: Specifications are approximate and subject to change

We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. Limitations apply.