wiper fluid FORD SIERRA 1989 2.G Body Electrical System Workshop Manual

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

Windscreen and rear window
washers
1To remove a nozzle, carefully prise it from
its location using a thin-bladed screwdriver.
Disconnect the washer hose and withdraw the
nozzle.
2To refit, reconnect the washer hose to the
nozzle, and push the nozzle into its locating
hole.
3The nozzles can be adjusted by inserting a
pin into the jet and swivelling to the required
position.
Headlamp washers
Models up to 1987
4Remove the radiator grille panel.
5Disconnect the washer hose from the
nozzle.
6Separate the upper and lower halves of the
nozzle by prising apart with a thin-bladed
screwdriver, then withdraw the nozzle halves.
7Refitting is a reversal of removal.
8The nozzles can be adjusted as described
in paragraph 3.
Models from 1987
9Disconnect the washer hose from the
nozzle on the end of the wiper arm.
10Prise the combined wiper blade mounting
and nozzle from the wiper arm using a thin-
bladed screwdriver or a pair of pliers.
11Refitting is a reversal of removal.
12Note that the nozzles are not adjustable.
Removal
1Disconnect the battery negative lead.
2Remove the wiper arms.
3Remove the windscreen cowl panel.
4Disconnect the wiring plug from the motor.
5Remove the seven securing screws, and
withdraw the mounting bracket together with
the linkage and motor (see illustration). 6Unscrew the nut securing the link arm to
the motor shaft, then remove the three
securing bolts, and withdraw the motor from
the mounting bracket.
Refitting
7Refitting is a reversal of removal.
Removal
1Where headlamp washers are fitted, a
separate pump is used. The pump(s) is/are a
push-fit in the base of the washer fluid
reservoir (see illustration).
2Disconnect the battery negative lead.
3To remove a pump, syphon out the
contents of the reservoir, then pull the pump
from its grommet.
4Disconnect the wiring plug and the washer
hose.
Refitting
5Refitting is a reversal of removal, using a
new grommet if necessary. Use a little liquid
detergent as a lubricant.
6On completion, refill the reservoir and
check for correct operation.
1Where headlamp washers are fitted, a
combined windscreen/headlamp washer fluid
reservoir is used. On models up to 1987, the
reservoir is mounted on the right-hand side of
the engine compartment. On models from
1987, the reservoir is mounted under the
right-hand front wing, but has a filler within
the engine compartment.
2Disconnect the battery negative lead.
Models up to 1987
3Syphon out the contents of the reservoir, and
disconnect the wiring plug(s) and washer hose(s).
4Remove the two or three reservoir retaining
screws, as applicable, then withdraw the
reservoir.5Refitting is a reversal of removal.
Models from 1987
6Proceed as described in paragraph 3.
7Working under the front wing, remove the
three reservoir securing screws and pull the
reservoir down slightly. On vehicles fitted with
front foglamps, the bumper must be removed.
8Withdraw the reservoir.
9Refitting is a reversal of removal.
Hatchback models
1Disconnect the battery negative lead.
2Remove the wiper arm.
3Open the tailgate; remove the trim panel.
4Unscrew the earth lead and disconnect the
wiring plug from the motor.
5Remove the three securing bolts and
withdraw the mounting bracket and motor
from the tailgate (see illustration).
6The motor can be separated from the
mounting bracket by removing the three
securing bolts.
7Refitting is a reversal of removal.
Estate models
8The procedure is as described for
Hatchback models except that the washer
hose must be disconnected from the motor
assembly, and the mounting bracket is
secured by four bolts.
The procedure is as described for the
windscreen/headlamp washer pump.
Removal
1On models from 1987, the rear window
washer circuit shares the same reservoir as
the windscreen/headlamp washers.
39Rear window washer fluid
reservoir - removal and
refitting
38Rear window washer pump -
removal and refitting
37Rear window wiper motor -
removal and refitting
36Windscreen/headlamp
washer fluid reservoir -
removal and refitting
35Windscreen/headlamp
washer pump - removal and
refitting
34Windscreen wiper motor and
linkage - removal and refitting
33Washer nozzles - removal and
refitting
13•12Body electrical system
35.1 Windscreen washer pump - models
from 198737.5 Rear window wiper motor location -
mounting bracket securing bolts arrowed34.5 Windscreen wiper motor bracket
securing screws (arrowed)

2On models up to 1987, the reservoir is
located behind the trim panel on the left-hand
side of the luggage compartment (see
illustration). To remove the reservoir proceed
as follows.
3Disconnect the battery negative lead.
4Remove the trim panel.
5Operate the washers to reduce the fluid
level in the reservoir.
6Remove the reservoir filler cap, and
disconnect the wiring plug and water hose.
7Remove the two securing screws and
withdraw the reservoir.
Refitting
8Refitting is a reversal of removal.
Note: On vehicles fitted with foglamps, the
headlamp unit must be removed when the right-
hand headlamp wiper motor is to be removed.
Removal
1Disconnect the battery negative lead.
2Disconnect the washer hose from the
nozzle on the end of the wiper arm, then
remove the wiper arm.
3Pull the washer hose and retainer from the
end of the motor shaft.
4Remove the radiator grille panel.
5Where applicable, prise the trim strip from
the bottom of the headlamp unit for access to
the wiper motor mounting bolts (see
illustrations). 6Remove the two mounting bolts, then
working under the wheel arch, slide the wiper
motor rearwards, disconnect the wiring plug
and withdraw the motor.
Refitting
7Refitting is a reversal of removal, but on
completion adjust the free length of the
washer hose between the nozzle and the
retainer on the motor shaft.
1Disconnect the battery negative lead.
2Remove the radiator grille panel.
Models up to 1987
3Disconnect the headlamp wiring plug(s)
(see illustration).4Remove the three or four headlamp
securing bolts, as applicable, and the lower
sliding clamp bracket bolt on the rear of the
headlamp, then withdraw the headlamp (see
illustrations).
5If required, the headlamp lens can be
removed by releasing the spring clips around
its edge.
6Refitting is a reversal of removal, but the
headlamp securing bolts should not be
tightened until the headlamp is aligned with
the front grille panel.
7On completion, check the headlamp
alignment.
Models from 1987
8Disconnect the headlamp wiring plug(s)
(see illustration).
9Where applicable, remove the headlamp
wiper motor.
41Headlamp unit - removal and
refitting
40Headlamp wiper motor -
removal and refitting
Body electrical system 13•13
13
40.5b . . . for access to the headlamp wiper
motor mounting bolts
41.4d . . . then withdraw the headlamp unit
- models up to 198741.4c . . . and the lower sliding clamp
bracket bolt . . .41.4b . . . the rear securing bolt . . .
41.4a Remove the upper headlamp
securing bolts (arrowed) . . .41.3 Disconnect the headlamp wiring plug
- models up to 1987
40.5a Prise the trim strip from the bottom
of the headlamp unit . . .39.2 Rear window washer fluid reservoir
location - Hatchback models up to 1987.
Securing screws arrowed