Pages: 39 black and white Art: Over 50 illustrations, photos, and charts Binding: Spiral bound Overview: This book is designed for techs who have some familiarity with scopes and low amp probes. (Suggested prerequisite Getting to Know the Automotive Lab Scope). Shows amp probe setup and current measurement techniques for testing modern automotive electrical fuel pumps. Sample waveforms show how to interpret common DC and AC current waveforms to evaluate fuel pump motor condition and measure average pump current.