Chapter 9 electrical system, Specifications contents, Degrees of difficulty – FIAT Uno 45 User Manual

Page 90

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9

System type

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

12 negative earth, battery alternator and pre-engaged starter

Battery

Except 70S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

30 Ah

70S . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

40 Ah

Alternator

Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Marelli, Valeo or Bosch 45A, 55A or 65A, with integral voltage
regulator

Nominal voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

14 V

Minimum brush (wear) length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.0 mm (0.236 in)

Starter motor

Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Marelli, Bosch or Femsa pre-engaged

Nominal power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0.8 kW or 1.0 kW

Armature shaft endfloat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

0.1 to 0.5 mm (0.0039 to 0.0197 in)

Minimum brush (wear) length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

10.0 mm (0.39 in)

Wiper blades

Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Champion X-4801 (19 in) or X-4503 (18 in)

Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Champion X-3303

Chapter 9 Electrical system

For modifications, and information applicable to later models, see Supplement at end of manual

Alternator - maintenance and precautions . . . . . . . . . . . . . . . . . . . .

3

Alternator - overhaul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5

Alternator - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . .

4

Battery - inspection, charging, removal and refitting . . . . . . . . . . . .

2

Central door locking system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Check control (warning module) system . . . . . . . . . . . . . . . . . . . . . . 34
Cigar lighter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Clocks - setting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Courtesy lamp switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Economy gauge (Econometer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Electrically-operated front door windows . . . . . . . . . . . . . . . . . . . . . 31
Exterior lamps - bulb renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Fault finding - electrical system . . . . . . . . . . . . . . See end of Chapter
Fuses and relays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1

Headlamp - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Headlamp beam - alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Headlamp bulb - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Heated tailgate window - precautions and repair . . . . . . . . . . . . . . . 29

Horns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Instrument panel - dismantling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Instrument panel - removal and refitting . . . . . . . . . . . . . . . . . . . . . . 21
Interior lamps - bulb renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Radio/cassette - fitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Rocker and push-button switches . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Speedometer drive cable - renewal . . . . . . . . . . . . . . . . . . . . . . . . . 23
Starter motor - description and testing . . . . . . . . . . . . . . . . . . . . . . .

7

Starter motor - overhaul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9

Starter motor - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . .

8

Steering column combination switch . . . . . . . . . . . . . . . . . . . . . . . . 11
Tailgate contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Tailgate wiper blade and arm - removal and refitting . . . . . . . . . . . . 26
Tailgate wiper motor - removal and refitting . . . . . . . . . . . . . . . . . . . 27
Voltage regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6

Washer system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Windscreen wiper blade and arm - removal and refitting . . . . . . . . . 24
Windscreen wiper motor - removal and refitting . . . . . . . . . . . . . . . . 25

9•1

Specifications

Contents

Easy, suitable for
novice with little
experience

Fairly easy, suitable
for beginner with
some experience

Fairly difficult,
suitable for competent
DIY mechanic

Difficult, suitable for
experienced DIY
mechanic

Very difficult,
suitable for expert DIY
or professional

Degrees of difficulty

5

4

3

2

1

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