12
Chapter 12
Body electrical system
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-volt negative earth
Main fuses (two-fuse fuse block)
Fuse connecting Rating (amp) Circuits protected
1 and 2 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Interior light, horn and auxiliary units which operate with the ignition
switched on or off
3 and 4 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Direction indicators, windscreen wiper motor, heater blower, stop
lights and auxiliary units which operate only when the ignition is
switched on
Note: The fitting of additional accessories which are required to operate independently of the ignition circuit should be connected to the “2”
terminal; accessories which are required to operate only when the ignition is switched on should be connected to the “4” terminal.
Line fuses (two-fuse fuse block)
Rating (amp) Circuits protected
8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Side and tail lights
35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hazard flasher
Main fuses (four-fuse fuse block - early models)
Fuse connecting Rating (amp) Circuits protected
1 and 2 35 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stop lights, reversing lights, direction indicators, heated rear window.
These systems will only operate with the ignition switch at position ll
3 and 4 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Horn, headlight flasher, brake failure circuit. These systems operate
independently of the ignition switch
5 and 6 25 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Heater blower motor, windscreen wipers/ washers, radio. These
systems will operate with the ignition switch at position I or II
7 and 8 15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Side and tail lights, instrument panel lights
Note: The fitting of additional accessories which are required to operate independently of the ignition circuit should be connected to the “4”
terminal.
Line fuses (four-fuse fuse block - early models)
Rating (amp) Circuits protected
15 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hazard flashers, interior light
- . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Radio (rating to be as specified by the manufacturer)
Anti-theft alarm system components - removal and refitting . . . . . . 19
Bulbs (exterior lights) - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Bulbs (interior lights) - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Dim-dip lighting system components - removal and refitting . . . . . . 8
Electrical fault finding - general information . . . . . . . . . . . . . . . . . . . 2
Fuses and relays - general information . . . . . . . . . . . . . . . . . . . . . . . 3
General information and precautions . . . . . . . . . . . . . . . . . . . . . . . . 1
Headlight beam alignment - checking and adjusting . . . . . . . . . . . . 7
Horn - removal, refitting and adjustment . . . . . . . . . . . . . . . . . . . . . . 9
Instrument panel - dismantling and reassembly . . . . . . . . . . . . . . . . 16
Instrument panel - removal and refitting . . . . . . . . . . . . . . . . . . . . . . 15
Radio - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Speedometer cable - removal and refitting . . . . . . . . . . . . . . . . . . . . 17
Switches - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Windscreen washer fluid level check . . . . . . . . . .See “Weekly Checks”
Windscreen washer pump - removal and refitting . . . . . . . . . . . . . . . 14
Windscreen wiper arms - removal and refitting . . . . . . . . . . . . . . . . . 10
Windscreen wiper motor - dismantling and reassembly . . . . . . . . . . 12
Windscreen wiper motor - removal and refitting . . . . . . . . . . . . . . . . 11
Windscreen wiper wheelbox - removal and refitting . . . . . . . . . . . . . 13
Wiper blade check . . . . . . . . . . . . . . . . . . . . . . . .See “Weekly Checks”
12•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