Discovery electrical Manual — part 2

INTRODUCTION

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INTRODUCTION

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1. Verify the Problem

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2. Analyze the Circuit Diagram (schematic)

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Narrow down the possible causes.

Before you replace a component, check power,
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ness connector.

4. Repair the Problem

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INTRODUCTION

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Battery

OneĆpole on/off switch

TwoĆpole switch

Dashed line indicates
mechanicalconnection
between switches

Variable resistor. Wiper
moves by externalforce

Multiple Position Switch

M

Potentiometer. Wiper moves
by externalforce

Diode. Current flows in direcĆ
tion of arrow only

LED

Bulb

Electronic or Solid State device

M

Permanent magnet
motor (one speed)

Steering Column Rotary
Coupler

Permanent magnet motor
(two speed)

F1 Fuse

MF2 MaxiĆFuse

R

Circuit Breaker

INTRODUCTION

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SYMBOLS

The abbreviations and symbols explained here are
used throughout the manual; it is necessary to know
what they mean in order to use the diagrams
effectively.