Value is at the core of OTC Tools, whether it's a simple repair, or the most complex drivability concern, these award-winning tools universally solve problems faster, and at a better value, than any other product on the market. OTC provides top solutions to modern automotive service challenges while at the same time increasing technician's productivity and shop profits.
- Takes the guesswork in finding electrical problems that drain the battery
- Attach the test switch between the negative battery cable and the battery to begin diagnostics
- YOU can connect your amp meter to the switch and determining the parasitic amperage draw to locate the excessive electrical drain on the battery
- Works on any vehicle with side- or top-post batteries
- Parasitic Draw Test Switch - 7645