1985 FORD GRANADA fuses

Chapter 13
Body electrical system
Anti-theft alarm system components - removal and refitting . . . . . .36
Auxiliary warning system components - testing, removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Central locking motor - removal and refitting . . . . . . . . . . . . . . . . . .17
Cigarette lighter - removal and refitting . . . . . . . . . . . . . . . . . . . . . .10
Clock - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Electrical fault-finding - general information . . . . . . . . . . . . . . . . . . .2
Exterior lights - bulb renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Exterior light units - removal and refitting . . . . . . . . . . . . . . . . . . . . .4
Fuel computer components - removal and refitting . . . . . . . . . . . . .26
Fuses, relays and control units - removal and refitting . . . . . . . . . .16
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Headlight beam alignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Heater blower motor - removal and refitting . . . . . . . . . . . . . . . . . .29
Horn - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Horn switch plate, slip rings and brushes - removal and refitting . .12
Ignition/starter switch - removal and refitting . . . . . . . . . . . . . . . . . .14
Instrument cluster - dismantling and reassembly . . . . . . . . . . . . . . .8
Instrument cluster - removal and refitting . . . . . . . . . . . . . . . . . . . . .7
Interior lights - bulb renewal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6Joystick fader control - removal and refitting . . . . . . . . . . . . . . . . . .33
Loudspeakers (original equipment) - removal and refitting . . . . . . .31
Radio aerial pre-amplifier (original equipment) - removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Radio or radio/cassette player (original equipment) - removal and
refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Rear entertainment console - removal and refitting . . . . . . . . . . . . .34
Rear headphone relay - removal and refitting . . . . . . . . . . . . . . . . .35
Rear window wiper motor - removal and refitting . . . . . . . . . . . . . .24
Seat adjusting motors - removal and refitting . . . . . . . . . . . . . . . . .19
Seat heating elements - removal and refitting . . . . . . . . . . . . . . . . .13
Sliding roof motor - removal and refitting . . . . . . . . . . . . . . . . . . . .20
Speed control system components - removal and refitting . . . . . . .28
Speedometer sender unit - removal and refitting . . . . . . . . . . . . . . .21
Switches - removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Window operating motor - removal and refitting . . . . . . . . . . . . . . .18
Windscreen, rear window and headlight washer components -
removal and refitting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Windscreen wiper motor and linkage - removal and refitting . . . . .23
Wiper arms and blades - removal and refitting . . . . . . . . . . . . . . . .22
General
System type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 volt, negative earth
Light bulbs (typical)Fitting Wattage
Headlights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . H4 60/55
Auxiliary driving lights and front foglights . . . . . . . . . . . . . . . . . . . . . . . . H3 55
Side/parking lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass base 5
Direction indicators, reversing light and rear foglight . . . . . . . . . . . . . . . Bayonet 21
Stop and tail lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bayonet 21/5
Door open/kerb illumination lights, luggage area light . . . . . . . . . . . . . . Bayonet 5
Number plate lights, reading light and footwell lights . . . . . . . . . . . . . . Glass base 5
Engine bay light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Bayonet 10
Interior lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Festoon 10
Vanity mirror light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Festoon 3
Glovebox light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass base 3
Ashtray light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass base 1.2
Instrument illumination, pilot and warning lights . . . . . . . . . . . . . . . . . . Glass base 1.2/2.5
Heater control light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Glass base 1
Automatic transmission selector light and clock light . . . . . . . . . . . . . . Bayonet 1.4
Fuses and circuit breakers- main fuse box
Fuse No Rating (A) Circuit(s) protected
1 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LH main beam, LH auxiliary driving light
2 20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RH main beam, LH auxiliary driving light
3 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LH dipped beam
4 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RH dipped beam
5 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LH side and tail lights
6 10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RH side and tail lights
13•1
Easy,suitable for
novice with little
experienceFairly easy,suitable
for beginner with
some experienceFairly difficult,
suitable for competent
DIY mechanicDifficult,suitable for
experienced DIY
mechanicVery difficult,
suitable for expert
DIY or professional
Degrees of difficulty
Specifications Contents
13
procarmanuals.com

13•2Body electrical system
Fuses and circuit breakers- main fuse box (continued)
Fuse NoRating (A)Circuit(s) protected
715 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Instrument illumination, number plate lights
810 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Control circuits for air conditioning, heated windscreen and ride
height control
930 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlight washer pump, tailgate and fuel filler flap release
1020 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Central locking system, interior lights, clock, mirror adjustment
1120 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fuel pump (with air conditioning), taxi circuits
1210 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hazard warning flasher
1330 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated seats, cigarette lighters
1430 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Horn
1530 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Wiper motors and screen washer pumps
1630 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated rear window, heated mirrors
1720 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Front foglights
1830 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heater blower
1910 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Accessory circuits
2015 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Direction indicators, reversing lights
2115 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Stop-lights
2210 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Instrument and controls
23C20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Power windows (front) and sliding roof
24C20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Power windows (rear) and rear seat adjustment
C = Circuit breaker
Fuses and circuit breakers - auxiliary fuse box
Colour Rating (A)Circuit(s) protected
Black20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fuel-injection pump
Pink20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air conditioning cooling fan
Yellow20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Anti-lock braking system control circuitry
Green30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Anti-lock braking system pump
Brown30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated windscreen (left-hand side)
Brown30 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated windscreen (right-hand side)
GreyC20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Front seat adjustment
Orange20 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ride height control
C = Circuit breaker
Relays in main fuse box
IdentificationFunction
I . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ignition circuit
II . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated rear window and mirrors
III . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Power windows and sliding roof
IV . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Seat belt warning
V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Intermittent wipe - front
VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Intermittent wipe - rear
VII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlight washer
VIII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Interior light delay
IX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rear seat adjustment
X . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlights (main beam)
XI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Engine auxiliary
XII . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Automatic transmission inhibitor
A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Spare
B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Radio
C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Horn
D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Tailgate release
E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Spare
F . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Headlights (dipped beam)
G . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Seat heaters
H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Front foglights
Other relays and modules
IdentificationFunction
Behind facia (centre):
L1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Lights on buzzer
L2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rear fog light control
L3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Automatic transmission kickdown time
L4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fuel pump (with air conditioning)
L5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Hydraulic switch
L6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Anti-theft alarm
Behind facia (passenger side):
M1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Manifold heater (carburettor) or fuel pump (fuel-injection)
M2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Power hold (carburettor) or inspection valve (fuel-injection)
M3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated windscreen (power)
procarmanuals.com

The electrical system is a 12 volt, negative
earth type. Electricity is generated by an
alternator, belt-driven from the crankshaft pulley.
A lead-acid battery provides a reserve of power
for starting and when the demands of the system
temporarily exceed the alternator output.
The battery negative terminal is connected
to “earth” - vehicle metal - and most electrical
system components are wired so that they
only receive a positive feed, the current
returning via vehicle metal. This means that
the component mounting forms part of the
circuit. Loose or corroded mountings can
therefore cause apparent electrical faults.
Many semiconductor devices are used in
the electrical system, both in the “black
boxes” which control vehicle functions and in
other components. Semiconductors are very
sensitive to excessive (or wrong polarity)
voltage, and to extremes of heat. Observe the
appropriate precautions to avoid damage.
Although some repair procedures are given
in this Chapter, sometimes renewal of a well-
used item will prove more satisfactory. The
reader whose interests extend beyond
component renewal should obtain a copy of
the “Automobile Electrical Manual”, available
from the publishers of this book.
Before starting work on the electrical
system, read the precautions listed in “Safety
first!” at the beginning of the manual.
Note:Refer to the precautions given in “Safety
first!” and in Section 1 of this Chapter before
starting work. The following tests relate to testing
of the main electrical circuits, and should not be
used to test delicate electronic circuits (such as
anti-lock braking systems), particularly where an
electronic control unit (ECU) is involved.
General
1A typical electrical circuit consists of an
electrical component, any switches, relays,
motors, fuses, fusible links or circuit breakers
related to that component, and the wiring and
connectors which link the component to both
the battery and the chassis. To help to
pinpoint a problem in an electrical circuit,
wiring diagrams are included at the end of this
Chapter.
2Before attempting to diagnose an electrical
fault, first study the appropriate wiring
diagram, to obtain a more complete
understanding of the components included in
the particular circuit concerned. The possible
sources of a fault can be narrowed down by
noting whether other components related to
the circuit are operating properly. If several
components or circuits fail at one time, the
problem is likely to be related to a shared fuse
or earth connection.
3Electrical problems usually stem from
simple causes, such as loose or corroded
connections, a faulty earth connection, a
blown fuse, a melted fusible link, or a faulty
relay. Visually inspect the condition of all
fuses, wires and connections in a problem
circuit before testing the components. Use the
wiring diagrams to determine which terminal
connections will need to be checked in order
to pinpoint the trouble-spot.
4The basic tools required for electrical fault-
finding include: a circuit tester or voltmeter (a
12-volt bulb with a set of test leads can also
be used for certain tests), a self-powered test
light (sometimes known as a continuity tester),
an ohmmeter (to measure resistance), a
battery and set of test leads, and a jumper
wire, preferably with a circuit breaker or fuse
incorporated, which can be used to bypass
suspect wires or electrical components.
Before attempting to locate a problem with
test instruments, use the wiring diagram to
determine where to make the connections.
5To find the source of an intermittent wiring
fault (usually due to a poor or dirty connection,
or damaged wiring insulation), an integrity testcan be performed on the wiring, which
involves moving the wiring by hand, to see if
the fault occurs as the wiring is moved. It
should be possible to narrow down the source
of the fault to a particular section of wiring.
This method of testing can be used in
conjunction with any of the tests described in
the following sub-Sections.
6Apart from problems due to poor
connections, two basic types of fault can
occur in an electrical circuit - open-circuit or
short-circuit.
7Open-circuit faults are caused by a break
somewhere in the circuit, which prevents
current from flowing. An open-circuit fault will
prevent a component from working, but will
not cause the relevant circuit fuse to blow.
8Short-circuit faults are caused by a “short”
somewhere in the circuit, which allows the
current flowing in the circuit to “escape” along
an alternative route, usually to earth. Short-
circuit faults are normally caused by a
breakdown in wiring insulation, which allows a
feed wire to touch either another wire, or an
earthed component such as the bodyshell. A
short-circuit fault will normally cause the
relevant circuit fuse to blow. Note: A short-
circuit that occurs in the wiring between a
circuit’s battery supply and its fuse will not
cause the fuse in that particular circuit to blow.
This part of the circuit is unprotected - bear
this in mind when fault-finding on the vehicle’s
electrical system.
Finding an open-circuit
9To check for an open-circuit, connect one
lead of a circuit tester or voltmeter to either the
negative battery terminal or a known good earth.
10Connect the other lead to a connector in
the circuit being tested, preferably nearest to
the battery or fuse.
11Switch on the circuit, bearing in mind that
some circuits are live only when the ignition
switch is moved to a particular position.
12If voltage is present (indicated either by
the tester bulb lighting or a voltmeter reading,
as applicable), this means that the section of
2Electrical fault-finding - general
information
1General information
Body electrical system 13•3
13
Other relays and modules (continued)
IdentificationFunction
Behind facia (passenger side) (continued):
M4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heated windscreen (timer)
M5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air conditioning cooling fan
M6 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS pump relay
M7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS main relay
M8 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS control unit
M9 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Ride height control
Below instrument panel (driver’s side):
N1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Bulb failure warning unit
Below facia (passenger side):
P1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABS module
P2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Fuel-injection system module
Behind facia (passenger side):
R1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Speed control system module
R2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Auxiliary warning system module
R3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rear audio console module
Torque wrench settingsNmlbf ft
Alternator adjusting strap:
To steering pump bracket (SOHC) . . . . . . . . . . . . . . . . . . . . . . . . . . .21 to 2616 to 19
To front cover (V6) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41 to 5130 to 38
procarmanuals.com

Heated rear window switch
Models before April 1992
50Remove the instrument panel surround,
which is secured by four screws.
51Carefully prise the switch from its location,
disconnect the multi-plug and remove it.
Models from April 1992
52Using a small flat-bladed screwdriver,
carefully prise the switch out of the centre
facia vent panel and disconnect the wiring
connector.
53On refitting, reconnect the wiring
connector and push the switch in until it clicks
into position.
Foglight switch(es)
54These are removed in the same way as the
heated rear window switch (see illustration).
Hazard warning switch
55This is integral with the direction indicator
switch.
Front seat adjusting switch
56Remove the seat trim panel.
57Prise the operating levers off the switch
with a thin-bladed screwdriver (see
illustration).
58Remove the two securing screws,
withdraw the switch and unplug it.
Rear seat adjusting switch
59This is removed in the same way as the
mirror control switch already described in
paragraphs 10 and 11.
Heated seat control switches
60These are removed in the same way as the
mirror control switch already described in
paragraphs 10 and 11.
Starter inhibitor/reversing light
switch (automatic transmission)
61Refer to Chapter 7 part B.
Fuses
1The battery positive (live) lead is protected
by a fusible link. If this link melts, a major
short-circuit is indicated and expert advice
should be sought before repairing it.
2The main fuse/relay box is located under the
bonnet, near the bulkhead on the right-hand
side. It contains up to 24 fuses and nearly as
many relays (according to equipment). Fuse
applications are listed on the underside of the
fuse box lid (see illustration).
3There is an auxiliary fuse box inside the
vehicle, accessible after opening the glovebox
(see illustration). An in-line fuse for the radio
is located under the facia on the left-hand
side, near the heater.4The“blade” type fuses are colour-coded to
show their current rating. A blown fuse can be
recognised by the melted wire link in the
middle.
5To renew a blown fuse, first switch off the
circuit concerned. Pull the old fuse out of its
holder, using tweezers or long-nosed pliers.
Press in a new fuse of the same rating and try
the circuit again.
6If the new fuse blows immediately or within
a short time, do not carry on renewing fuses
but look for a short-circuit in the wiring to the
item(s) protected by the fuse. When more than
one item is protected by a single fuse,
switching on one item at a time until the fuse
blows will help to isolate the defect.
7Never fit a fuse of a higher rating (current
capacity) than specified, and do not bypass
fuses with silver foil or strands of wire. Serious
damage, including fire, could result.
8In some positions (such as for power
window and seat adjustment motors) circuit
breakers are fitted instead of fuses. These are
normally self-resetting once the cause of the
overload has been cleared.
Relays
9If a circuit or system served by a relay
develops a fault, always remember that the
problem could be in the relay. Testing is by
substitution of a known good unit. Beware of
substituting relays which look the same but
perform different functions(see illustration).10To renew a relay, simply unplug it from its
holder and plug in the new one. Access to the
relays in the main fuse box is as described for
the fuses. Access to the relays located behind
the facia is achieved by removing the facia
top.
11The sliding roof relay is located in the
overhead console.
Control units and modules
12The two major modules are the EEC IV
module (on fuel-injection models) and the ABS
control module. These are located below the
glovebox on the passenger side, and are
accessible after removing the under-dash trim.
13As with relays, testing by the home
mechanic is limited to substitution of known
good units. This is likely to be prohibitively
expensive on a trial and error basis so in case
of problems a Ford dealer or other competent
specialist should be consulted at an early
stage.
1Disconnect the battery negative lead and
unlock all the doors before starting work on
the central locking system. Make sure that the
keys are outside the vehicle before
reconnecting the battery on completion.
2Remove the door interior trim panel.
17Central locking motor -
removal and refitting
16Fuses, relays and control
units - removal and refitting
Body electrical system 13•13
13
15.54 Removing a foglight switch15.57 Removing the front seat adjusting
switch
16.2 Main fuse/relay box under the bonnet16.3 Auxiliary fuse box in the glovebox
procarmanuals.com

The vehicle owner who does his or her own maintenance according
to the recommended service schedules should not have to use this
section of the manual very often. Modern component reliability is such
that, provided those items subject to wear or deterioration are
inspected or renewed at the specified intervals, sudden failure is
comparatively rare. Faults do not usually just happen as a result of
sudden failure, but develop over a period of time. Major mechanical
failures in particular are usually preceded by characteristic symptoms
over hundreds or even thousands of miles. Those components which
do occasionally fail without warning are often small and easily carried
in the vehicle.With any fault-finding, the first step is to decide where to begin
investigations. Sometimes this is obvious, but on other occasions, a
little detective work will be necessary. The owner who makes half a
dozen haphazard adjustments or replacements may be successful in
curing a fault (or its symptoms), but will be none the wiser if the fault
recurs, and ultimately may have spent more time and money than was
necessary. A calm and logical approach will be found to be more
satisfactory in the long run. Always take into account any warning
signs or abnormalities that may have been noticed in the period
preceding the fault - power loss, high or low gauge readings, unusual
smells, etc - and remember that failure of components such as fuses or
REF•5Fault Finding
Engine1
m mEngine fails to rotate when attempting to start
m mStarter motor turns engine slowly
m mEngine rotates, but will not start
m mEngine difficult to start when cold
m mEngine difficult to start when hot
m mStarter motor noisy or excessively-rough in engagement
m mEngine starts, but stops immediately
m mEngine idles erratically
m mEngine misfires at idle speed
m mEngine misfires throughout the driving speed range
m mEngine hesitates on acceleration
m mEngine stalls
m mEngine lacks power
m mEngine backfires
m mOil pressure warning light illuminated with engine running
m mEngine runs-on after switching off
m mEngine noises
Cooling system2
m
mOverheating
m mOvercooling
m mExternal coolant leakage
m mInternal coolant leakage
m mCorrosion
Fuel and exhaust systems3
m
mExcessive fuel consumption
m mFuel leakage and/or fuel odour
m mExcessive noise or fumes from exhaust system
Clutch4
m
mPedal travels to floor - no pressure or very little resistance
m mClutch fails to disengage (unable to select gears)
m mClutch slips (engine speed increases, with no increase in vehicle
speed)
m mJudder as clutch is engaged
m mNoise when depressing or releasing clutch pedal
Manual gearbox5
m
mNoisy in neutral with engine running
m mNoisy in one particular gear
m mDifficulty engaging gears
m mJumps out of gear
m mVibration
m mLubricant leaks
Automatic transmission6
m
mFluid leakage
m mTransmission fluid brown, or has burned smellm mGeneral gear selection problems
m mTransmission will not downshift (kickdown) with accelerator fully
depressed
m mEngine will not start in any gear, or starts in gears other than Park
or Neutral
m mTransmission slips, shifts roughly, is noisy, or has no drive in
forward or reverse gears
Propeller shaft7
m
mClicking or knocking noise on turns (at slow speed on full-lock)
m mVibration when accelerating or decelerating
Final drive and driveshafts8
m
mExcessive final drive noise
m mOil leakage from final drive
m mGrating, knocking or vibration from driveshafts
Braking system9
m
mVehicle pulls to one side under braking
m mNoise (grinding or high-pitched squeal) when brakes applied
m mExcessive brake pedal travel
m mBrake pedal feels spongy when depressed
m mExcessive brake pedal effort required to stop vehicle
m mJudder felt through brake pedal or steering wheel when braking
m mPedal pulsates when braking hard
m mBrakes binding
m mRear wheels locking under normal braking
Suspension and steering systems10
m
mVehicle pulls to one side
m mWheel wobble and vibration
m mExcessive pitching and/or rolling around corners, or during braking
m mWandering or general instability
m mExcessively-stiff steering
m mExcessive play in steering
m mLack of power assistance
m mTyre wear excessive
Electrical system11
m
mLights inoperative
m mIgnition/no-charge warning light remains illuminated with engine
running
m mIgnition/no-charge warning light fails to come on
m mBattery will not hold a charge for more than a few days
m mInstrument readings inaccurate or erratic
m mHorn inoperative, or unsatisfactory in operation
m mWindscreen/tailgate wipers inoperative, or unsatisfactory in
operation
m mWindscreen/tailgate washers inoperative, or unsatisfactory in
operation
m mElectric windows inoperative, or unsatisfactory in operation
m mCentral locking system inoperative, or unsatisfactory in operation
Introduction
procarmanuals.com

IND•2
F
Facia panels and trim - 12•12
Fast idle speed adjustment - 4•13
Fault finding- REF•5et seq
Fault-finding - electrical system - 5•3, 13•3
Final drive and driveshafts- 1•15, 9•1et
seq, 11•10, REF•9
Fire - 0•5
Flasher switch and unit - 13•11
Fluid leakage - REF•8
Fluid level checks - 1•6
Flywheel ring gear - 2A•14, 2C•15
Flywheel/driveplate - 2A•9, 2A•16, 2B•15,
2C•11, 2C•17
Foglight - 13•5,13•13
Footbrake - 0•11, 0•12
Footwell lights - 13•8
Fuel and exhaust systems- 0•14, 4•1et seq,
REF•8
Fuel computer components - 13•17
Fuel consumption high - REF•8
Fuel filler lock barrel - 12•7
Fuel filler switch - 13•18
Fuel filter - 1•19, 4•14
Fuel flow sensor - 13•18
Fuel gauge gives false reading - REF•11
Fuel odour - REF•8
Fuel pressure regulator - 4•18
Fuel temperature sensor - 5•12
Fuel trap (carburettor models) - 5•9
Fume or gas intoxication - 0•5
Fumes from exhaust system - REF•8
Fuses - 13•13
G
G (gravity) switch - 10•14
Gaskets - REF•4
Gear linkage - 7A•4
Gear selection problems - REF•8, REF•9
Glossary of technical terms - REF•12
Glovebox light - 13•8
Graphic display module - 13•18
Graphic equaliser - 13•21
Grille - 12•9
H
Handbrake “ON” switch - 13•12
Handbrake - 0•11, 10•11
Handles - 12•6
Hazard warning switch - 13•9, 13•13
HC emissions - 0•14
Headlight - 13•4, 13•6, 13•7, 13•11
Headlining - 12•11
Headphone relay - 13•22
Heated rear window switch - 13•13
Heated seat control switches - 13•13
Heater assembly - 3•7, 3•8, 3•9, 3•10,
13•11, 13•20
High frequency units - 13•22
High pressure hose - 10•10
Hinges - 1•12
Horn - 13•10
Horn emits intermittent or unsatisfactory
sound - REF•11Horn fails to operate - REF•11
Horn inoperative, or unsatisfactory in
operation - REF•11
Horn operates all the time - REF•11
Horn switch plate, slip rings and brushes -
13•10
HT leads - 5•5
HT voltage - 5•3
Hub - 11•11
Hydraulic system seals and hoses - 1•19
Hydraulic unit - 10•8, 10•9, 10•10
Hydrofluoric acid - 0•5
I
Idle mixture - 1•10
Idle speed - 1•10, 4•7, 4•9, 4•11, 4•14, 5•11
Idle speed control valve - 4•15
Idle speed linkage - 1•15
Ignition coil - 5•9
Ignition module - 5•8
Ignition system - 1•17
Ignition timing - 5•7, 5•11
Ignition/no-charge warning light fails to
come on - REF•11
Ignition/no-charge warning light remains
illuminated with engine running - REF•11
Ignition/starter switch - 13•11
Inlet manifold - 1•14, 4•19
Instrument cluster - 13•9, 13•10
Instrument illumination dimmer switch - 13•11
Instrument panel lights - 13•8
Instrument readings inaccurate or erratic -
REF•11
Instruments and electrical equipment - 1•16
Intensive maintenance - 1•6
Interior lights - 13•7
Introduction to the Ford Granada - 0•4
J
Jacking - 0•6
Joint mating faces - REF•4
Joystick fader control - 13•22
Jump starting - 0•10
Jumps out of gear - REF•8
L
Latch locks but will not unlock, or unlocks
but will not lock - REF•11
Leaks - 0•8, 1•10
Lighter - 13•10
Lighting master switch - 13•11
Lights - 13•4, 13•6
Lights inoperative - REF•10
Locknuts, locktabs and washers - REF•4
Locks - 1•12, 12•6, 12•7
Loudspeakers - 13•21, 13•22
Low pressure hose - 10•10
Lower arm - 11•9, 11•12
Lubricant leaks - REF•8
Lubricants and fluids - 1•2
Luggage area light - 13•8
M
Main bearings - 2A•11, 2A•15, 2B•17,
2C•12, 2C•15
Maintenance - bodywork and underframe -
12•1
Maintenance - upholstery and carpets -
12•2
Manifold absolute pressure (MAP) sensor -
5•12
Manifold heater - 5•11
Manual gearbox- 1•11, 2B•6, 2B•7, 7A•1et
seq, REF•8
Manual steering - 11•3
Master cylinder - 10•12
Mirror - 0•11, 12•12, 13•11
Mixture adjustment potentiometer - 4•19
Mixture adjustments - 4•7, 4•9, 4•11, 4•14
Motifs and emblems - 12•10
Motor factors - 0•9
Mountings - 2A•11, 2B•8, 2C•12
N
Needle valve and float - 4•11
Number plate light - 13•5
O
Oil - 1•6, 1•9
Oil filler cap - 1•10
Oil filter - 1•9, 2A•11
Oil leakage from final drive - REF•9
Oil pressure warning light illuminated with
engine running - REF•7
Oil pressure warning switch - 13•12
Oil pump - 2A•10, 2A•12, 2A•16, 2B•16,
2B•17, 2C•11, 2C•14, 2C•17
Oil seals - 2A•10, 2B•15, 2C•12, 9•2, 9•3,
REF•4
On load voltage check - 5•5
Open-circuit - 13•3
Overcooling - REF•7
Overhead console - 12•17
Overheating - REF•7
P
Pads - 1•10, 10•4, 10•5
Parcel shelf - 12•19
Parking light - 13•4
Pedal Travel Sensor (PTS) - 10•14
Pedals - 6•2, 4•6, 10•8
Pierburg 2V carburettor - 4•7, 4•9
Pistons and connecting rods - 2A•11, 2A•13,
2A•15, 2B•17, 2C•12, 2C•14, 2C•16
Pitching and/or rolling around corners, or
during braking - REF•10
Plastic components - 12•3
Poisonous or irrirant substances - 0•5
Power steering - 1•16, 11•3, 11•4, 11•6
Power valve diaphragm - 4•12
Pre-ignition (pinking) or knocking during
acceleration or under load - REF•7
Printed circuit board - 13•20
Propeller shaft- 8•1et seq, REF•9
Pushrods - 2C•13
Index
procarmanuals.com