5 Press the two screws in to release the radio
securing clips.
6 Push the radio out from behind the facia,
and disconnect the wiring connectors and
aerial lead.
7 Refitting is a reversal of removal, but make
sure that the radio is fully engaged with the
clips.
1989 onwards models with radio in
the facia
8 Two special DIN standard removal tools,
available from in-car entertainment
specialists, are required for removal.
9 Where fitted, prise the side covers from the
radio.
10 Insert the removal tools into the holes on
each side of the radio front plate, and push
them in until they snap into place.
11 Push the tools apart to depress the
internal retaining clips, then pull the tools
outwards to withdraw the radio.
12 Disconnect the wiring connectors and the
aerial lead from the rear of the radio. Release
the removal tools.
13 To refit, reconnect the wiring and aerial
lead, push the radio into its aperture until the
retaining clips engage and, where applicable,
refit the side covers.
Refitting
14 Refitting is the reverse sequence to
removal. Where applicable, re-activate the
security code on completion.
19 Anti-theft alarm system
components - removal and
refitting
Removal
Electronic control unit (ECU)
1 On models fitted with a wooden facia,
remove the facia as described in Chapter 11.
2 On models without a wooden facia, remove
the left-hand fresh air vent assembly as
described in Chapter 3, then release the left-
hand door seal weatherstrip to gain access to
the bulkhead trim. Remove the two edge
clips, and peel back the bulkhead trim for
access to the ECU.
3 On all models, undo the two ECU retaining
screws and disconnect the wiring multiplugs.
4 Cut the cable-ties to release the receiver
lead, and remove the ECU.
Bonnet switch
5 Open the bonnet, and undo the screw
securing the switch to the front panel.
6 Lift off the switch and disconnect the
wiring.
Boot switch
7 Open the boot, and disconnect the wiring
from the switch.
8 Undo the switch retaining screw, and
remove the switch from its bracket.
Refitting
9 Refitting is the reverse sequence to
removal. Secure the receiver lead with new
cable-ties when refitting the ECU.
Body electrical system 12•17
12
Key to wiring diagrams 1 to 9 inclusive
Some of the components listed in this key may not be fitted to individual models
1 Dynamo or alternator
2 Control box
3 Battery (12 volt)
4 Starter solenoid
5 Starter motor
6 Lighting switch
7 Headlight dip switch
8 RH headlight
9 LH headlight
10 Main beam warning light
11 RH sidelight/parking light
12 LH sidelight/parking light
14 Panel lights
15 Number plate light(s)
16 RH stop and tail light
17 LH stop and tail light
18 Stop light switch
19 Fuse block
20 Interior light
21 RH door switch(es)
22 LH door switch(es)
23 Horn(s)
24 Horn push
25 Flasher unit
26 Direction indicator headlight flasher and
dip switch
27 Direction indicator warning light(s)
28 RH front flasher light
29 LH front flasher light
30 RH rear flasher light
31 LH rear flasher light
32 Heater or fresh-air blower switch
33 Heater or fresh-air blower
34 Fuel gauge
35 Fuel gauge tank unit
36 Windscreen wiper switch
37 Windscreen wiper motor
38 Ignition/starter stitch
39 Ignition coil
40 Distributor
41 Fuel pump
42 Oil pressure switch
43 Oil pressure gauge or warning light
44 Ignition warning light
45 Speedometer (headlight flasher switch
on Canadian Mini 1000)
46 Water temperature gauge
47 Water temperature transmitter
49 Reversing light switch
50 Reversing light
64 Bi-metallic instrument voltage stabiliser
67 Line fuse (35 amp)
75 Automatic transmission inhibitor switch
(when fitted)
77 Windscreen washer motor
78 Windscreen washer switch
83 Induction heater and thermostat
84 Suction chamber heater
95 Tachometer
110 RH repeater flasher
111 LH repeater flasher
115 Rear window demister switch
116 Rear window demister unit
139 Alternative connections for two-speed
wiper motor and switch
150 Rear window demist warning light
152 Hazard warning light
153 Hazard warning switch
154 Hazard warning flasher unit
158 Printed circuit instrument panel
159 Brake pressure warning light and light
test switch
160 Brake pressure failure switch
164 Ballast resistor
168 Ignition key audible warning buzzer
170 RH front side marker light
171 LH front side marker light
172 RH rear side marker light
173 LH rear side marker light
198 Driver’s seat belt switch
199 Passenger’s seat belt switch
200 Passenger’s seat switch
201 Seat belt warning gearbox switch
202 Seat belt warning light
203 Seat belt warning code
Cable colour code
B Black
G Green
K Pink
LG Light Green
N Brown
O Orange
P Purple
R Red
U Blue
W White
Y Yellow
When a cable has two colour code letters the first denotes the main colour and the second denotes the tracer colour
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