Electronic Specialties 165 Black 4.5" x 2.75" x 1" Starter Buddy Starter Buddy Diagnoses: Starter & Solenoid, Positive Cable, Negative Cable, Battery (under load) Starter Buddy tests the health of the vehicle's electrical starting/cranking circuit Slow cranks and no cranks are most likely caused by excessive voltage drops (resistance). If excessive resistance exists, Starter Buddy will help you quickly locate and diagnose which part of the circuit has the issue Just 3 connections and a 3 second cranking test diagnose the problem. 12 foot test leads allow safe connections and control of the cranking test from the driver's seat. Starter Buddy includes a training DVD with three 15 minute training videos covering