1985 FORD SIERRA interior lights

Chapter 13
Body electrical system
Anti-theft alarm - location, removal and refitting . . . . . . . . . . . . . . . .51
Auxiliary warning system components - location, testing, removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Brake lamp switch - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Central door locking components - operation, removal and refitting .50
Cigarette lighter - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Clock - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Courtesy lamp and luggage compartment lamp - renewal . . . . . . . .25
Courtesy lamp switch - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Direction indicator and hazard warning flasher switch assembly -
renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Direction indicator/hazard warning flasher relay - renewal . . . . . . . . .6
Electrical door mirror switch - removal and refitting . . . . . . . . . . . . .10
Electrical fault finding - general information . . . . . . . . . . . . . . . . . . . . .2
Electric sunroof components - removal and refitting . . . . . . . . . . . . .17
Electric window components - removal and refitting . . . . . . . . . . . . .49
Exterior lamp bulbs - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Facia panel switches - removal and refitting . . . . . . . . . . . . . . . . . . . .9
Front direction indicator lamp unit - removal and refitting . . . . . . . . .44
Front direction indicator side repeater lamp - removal and refitting . .45
Front foglamps - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . .46
Fuses and relays - location and renewal . . . . . . . . . . . . . . . . . . . . . . .3
General information and precautions . . . . . . . . . . . . . . . . . . . . . . . . .1
Handbrake “on” warning lamp switch - renewal . . . . . . . . . . . . . . . .14
Headlamps - alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Headlamp unit - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . .41
Headlamp wiper motor - removal and refitting . . . . . . . . . . . . . . . . . .40
Horn - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Horn switch assembly - removal and refitting . . . . . . . . . . . . . . . . . .11
Ignition switch and lock barrel - removal and refitting . . . . . . . . . . . . .4
Instrument panel - removal and refitting . . . . . . . . . . . . . . . . . . . . . .20Instrument panel components - removal and refitting . . . . . . . . . . . .21
Integral heated rear window/radio aerial amplifier - removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Interior lamp bulbs - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Lighting and wash/wipe switch assembly - renewal. . . . . . . . . . . . . . .7
“Lights-on” warning module - renewal . . . . . . . . . . . . . . . . . . . . . . . .24
Loudspeakers - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . .55
Luggage compartment lamp switch - removal and refitting . . . . . . .13
Map reading lamp - removal and refitting . . . . . . . . . . . . . . . . . . . . .26
Oil pressure warning lamp switch - renewal . . . . . . . . . . . . . . . . . . . .16
Radio aerial (exterior-mounted) - removal and refitting . . . . . . . . . . .53
Radio/cassette player - removal and refitting . . . . . . . . . . . . . . . . . . .57
Radio/cassette player power amplifier - removal and refitting . . . . . .56
Rear lamp unit - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . .43
Rear number plate lamp - removal and refitting . . . . . . . . . . . . . . . . .47
Rear window washer fluid reservoir - removal and refitting . . . . . . . .39
Rear window washer pump - removal and refitting . . . . . . . . . . . . . .38
Rear window wiper motor - removal and refitting . . . . . . . . . . . . . . .37
Reversing lamp switch - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Seat heating pad - removal and refitting . . . . . . . . . . . . . . . . . . . . . .52
Speedometer cable - removal and refitting . . . . . . . . . . . . . . . . . . . .30
Trip computer components - removal and refitting . . . . . . . . . . . . . .22
Underbonnet lamp - removal, refitting and bulb renewal . . . . . . . . . .28
Washer nozzles - removal and refitting . . . . . . . . . . . . . . . . . . . . . . .33
Windscreen/headlamp washer fluid reservoir - removal and refitting . .36
Windscreen/headlamp washer pump - removal and refitting . . . . . .35
Windscreen wiper motor and linkage - removal and refitting . . . . . . .34
Wiper arms - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Wiper blades - renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Wiring diagrams - general information . . . . . . . . . . . . . . . . . . . . . . . .58
13•1
Contents
13Easy,suitable for
novice with little
experienceFairly easy,suitable
for beginner with
some experienceFairly difficult,
suitable for competent
DIY mechanic
Difficult,suitable for
experienced DIY
mechanicVery difficult,
suitable for expert
DIY or professional
Degrees of difficulty

dipstick from its tube and disconnect the
wiring plug.
31Refitting is a reversal of removal.
1Remove the instrument panel.
2Unclip the direction indicator relay from the
steering column support bracket (see
illustration).
3Unclip the “lights-on” warning module from
the steering column support bracket,
disconnect the wiring plug and remove the
module.
4Refitting is a reversal of removal.
1Disconnect the battery negative lead.
2To remove a lamp, simply prise it from its
location, using a thin-bladed screwdriver, and
disconnect the wiring (see illustrations).
When working on an overhead console-
mounted courtesy lamp, disconnect the
wiring between the map reading lamps and
the courtesy lamp before removing the
courtesy lamp.
3Refitting is a reversal of removal.1Disconnect the battery negative lead.
2Remove the courtesy lamp and disconnect
the map reading lamp wires.
3Push the map reading lamp out of its
location by inserting a finger through the
courtesy lamp aperture.
4Refitting is a reversal of removal.
1Disconnect the battery negative lead.
Courtesy lamp
2Remove the courtesy lamp.
3Unclip the bulb from the lamp. On models
fitted with an overhead console and map
reading lamps, the courtesy lamp reflector
must be unclipped for access to the bulb (see
illustration).
4Refitting is a reversal of removal.
Map reading lamp
5Remove the map reading lamp.
6Pull the bulbholder from the rear of the
lamp. The bulb is a push fit in the bulbholder
(see illustration).
7Refitting is a reversal of removal.
Glove compartment lamp
8Open the glove compartment and pull the
bulb from its holder.
9Refitting is a reversal of removal.
Ashtray lamp
10Open the ashtray and remove the tray
from its housing.
11Pull the bulbholder from the housing. The
bulb is a push fit in the bulbholder.
12Refitting is a reversal of removal.
Heater blower switch illumination
lamp
13Carefully pull off the switch knob, using
pliers with padded jaws if necessary. The bulb
is a bayonet fit in the end of the switch shaft.
14Refitting is a reversal of removal.
Heater control illumination lamp
15Refer to Chapter 12.
Vanity mirror illumination lamp
16Lower the sun visor and, using a thin-
bladed screwdriver, prise out the mirror and
diffuser assembly. Remove the festoon bulb(s)
from its/their spring contacts.
17Refitting is a reversal of removal.
Hazard flasher switch lamp
18Remove the securing screws and unclip
the upper steering column shroud.
19Ensure that the switch is in the “on”
position, then pull off the switch cap/bulb
cover. Carefully pull the bulb from the switch
using a pair of pliers with padded jaws.
20Refitting is a reversal of removal.
Automatic transmission gear
selector illumination lamp
21Unscrew the selector lever handle from
the threaded end of the lever, then remove the
three securing screws and withdraw the
centre console front upper panel.
22Pull of the selector gate cover to expose
the bulbholder. The bulb is a bayonet fit in the
bulbholder.
23Refitting is a reversal of removal.
Luggage compartment lamp
24Remove the lamp by carefully prising it
from its location using a thin-bladed
screwdriver. Unclip and remove the bulb (see
illustration).
25Refitting is a reversal of removal.
27Interior lamp bulbs - renewal
26Map reading lamp - removal
and refitting
25Courtesy lamp and luggage
compartment lamp - renewal
24“Lights-on” warning module
- renewal
13•10Body electrical system
24.2 “Lights-on” warning module location
A “Lights-on” warning module
B Direction indicator relay
C “Lights-on” warning module wiring plug
25.2b Removing a luggage compartment
lamp
27.6 Removing a map reading lamp bulb27.3 Overhead console-mounted courtesy
lamp bulb (arrowed)
25.2a Removing a courtesy lamp