Introduction

In general, testing electrical circuits is an easy task if it is approached in a logical and organized method. Before beginning, it is important to have all available information on the system to be tested. Also, get a thorough understanding of system operation. Then you will be able to use the appropriate equipment and follow the correct test procedure.
You may have to simulate vehicle vibrations while testing electrical components. Gently shake the wiring harness or electrical component to do this.


NOTE: Refer to "HOW TO CHECK TERMINAL" to probe or check terminal.