- Innova 3420 Smart Test Light is designed to safely check voltage and/or grounds
- Works on several electronic systems, including wiring, fuses, batteries, cabling, sensors and switches
- Connects using a cigarette lighter/power plug or directly to battery with twin alligator battery clamps
- Ideal for diagnosing automotive towing light problems and general electrical repairs
This product carries a special warranty. Please see your local Canadian Tire store for details.