How to Diagnose the Problem

How To Diagnose The Problem
1. To avoid incorrect diagnostics, this needs to be followed accurately. Unless stated, do not jump directly to a solution. Some important information may be missed.
2. BASIC ELECTRIC CIRCUITS:
You should understand the basic theory of electricity. This includes the meaning of voltage, amps, ohms, and what happens in a circuit with an open or shorted wire. You should also be able to read and understand wiring diagrams.