Page 185 of 241
88A-49
WIRING HARNESS
Passenger compartment wiring: Connector access
RIGHT-HAND DRIVE
88A
I - LOCATION OF CONNECTORS
1 - R 107
aR 107 connectors (Dashboard / front of engine con-
nection).
2 - R 99
aR 99 connector (Dashboard / heating system con-
nection).3 - R 301
aR 301 connectors (Dashboard / interior lights con-
nection).
4 - R 3
aR3 connector (Dashboard / driver's door connec-
tion).
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Page 186 of 241
88A-50
WIRING HARNESS
Passenger compartment wiring: Connector access
RIGHT-HAND DRIVE
88A
5 - R 4
aR 4 connector (Dashboard / passenger's door con-
nection).
6 - R 334
aR 334 connector (Passenger compartment / passen-
ger's front seat connection).7 - R 335
aR 335 connector (Passenger compartment / driver's
front seat connection).
8 - R 15
aR 15 connectors (Rear left-hand / tailgate connec-
tion).
122347
Note:
Connectors R 3 and R 4 are identical.
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122349
Note:
Connectors R 334 and R 335 are identical.
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Page 187 of 241

88A-51
WIRING HARNESS
Passenger compartment wiring: Connector access
RIGHT-HAND DRIVE
88A
9 - R 259
aR 259 connectors (Passenger compartment / rear
bumper connection).
II - CONNECTOR OPENING
a
aSwitch off the ignition.
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .
1 - Accessing R 107 connectors
aRemove the glovebox (see Glovebox: Removal -
Refitting) (MR 412, 57A, Interior equipment).aDisconnect the R 107 connectors.
2 - Accessing the R 99 connector
aRemove the dashboard (see Dashboard: Removal
- Refitting) (MR 412, 57A, Interior equipment).
aDisconnect the R 99 connector.
3 - Accessing R 301 connectors
aRemove the left-hand windscreen pillar trim (see
Windscreen pillar trim: Removal - Refitting) (MR
412, 71A, Body internal trim).
122354
IMPORTANT
Consult the safety and cleanliness advice and
operation recommendations before carrying out
any repair (see 88A, Wiring harness, Wiring:
Precautions for the repair, page 88A-2) .
WARNING
To prevent damaging the connectors, consult the
disconnection procedures (see Connector: Dis-
connection and reconnection) (Technical Note
6015A, 88A, Wiring).
122347
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Page 188 of 241
88A-52
WIRING HARNESS
Passenger compartment wiring: Connector access
RIGHT-HAND DRIVE
88A
aDisconnect the R 301 connectors.
4 - Accessing the R 3 connector
aRemove:
-the front right-hand door sill lining (see Front door
sill lining: Removal - Refitting) (MR 412, 71A,
Body internal trim),
-the front right-hand door (see Front side door: Re-
moval - Refitting) (MR 412, 47A, Side doors).
aRemove the bolts (1) .
aUnclip the R 3 connector.5 - Accessing the R 4 connector
aRemove:
-the front left-hand door sill lining (see Front door
sill lining: Removal - Refitting) (MR 412, 71A,
Body internal trim),
-the front left-hand door (see Front side door: Re-
moval - Refitting) (MR 412, 47A, Side doors).
aRemove the bolts (2) .
aUnclip the R 4 connector.
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Page 189 of 241
88A-53
WIRING HARNESS
Passenger compartment wiring: Connector access
RIGHT-HAND DRIVE
88A
6 - Accessing the R 334 connector
aUnclip the cover (3) under the front passenger seat
base.
aDisconnect the R 334 connector.
7 - Accessing the R 335 connector
aUnclip the cover (4) under the driver's seat base.
aDisconnect the R 335 connector.8 - Accessing the R 15 connectors
aRemove the rear left-hand wheel arch liner (see
Rear wheel arch trim: Removal - Refitting) (MR
412, 71A, Body internal trim).
aDisconnect the R 15 connectors.
9 - Accessing the R 259 connector
aRemove:
-the rear lights on the wing (see 81A, Rear lighting,
Rear wing light: Removal - Refitting, page 81A-
3) ,
-the rear bumper (see Rear bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection).
aDisconnect the R 259 connector.
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120814
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Page 190 of 241

88A-54
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
REMOVAL
I - REMOVAL PREPARATION OPERATION
aPosition the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (MR 411, 02A, Lifting equip-
ment).
aLock the airbag computer using the Diagnostic tool
(see Fault finding - Replacement of components)
(MR 413, 88C, Airbags and pretensioners).
aSwitch off the ignition.
aDisconnect the battery (see 80A, Battery, Battery:
Removal - Refitting, page 80A-2) .aRemove:
-the rear lights on the wing (see 81A, Rear lighting,
Rear wing light: Removal - Refitting, page 81A-
3) ,
-the rear bumper (see Rear bumper: Removal -
Refitting) (MR 412, 55A, Exterior protection),
-the front seats (see Complete front seat: Remo-
val - Refitting) (MR 412, 75A, Front seat frames
and runners),
-the rear bench seat base (see Rear bench seat
base: Removal - Refitting) (MR 412, 76A, Rear
seat frames and runners),
-the rear bench seatback (see Rear bench seat-
back: Removal - Refitting) (MR 412, 76A, Rear
seat frames and runners),
-the driver's side front airbag (see 88C, Air bag and
Pretensioners, Driver's frontal airbag: Removal
- Refitting, page 88C-6) ,
-the steering wheel (see Steering wheel: Removal
- Refitting) (MR 411, 36A, Steering assembly).
aRemove the rev counter (see 83A, Instrument pa-
nel, Rev counter: Removal - Refitting, page 83A-
3) .
aRemove:
-the steering column switch assembly (see 84A,
Control - Signals, Steering column switch as-
sembly: Removal - Refitting, page 84A-2) ,
-the instrument panel (see 83A, Instrument panel,
Instrument panel: Removal - Refitting, page
83A-1) ,
-the passenger front airbag (see 88C, Air bag and
Pretensioners, Passenger's frontal airbag: Re-
moval - Refitting, page 88C-8) ,
-the glovebox (see Glovebox: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the radio (see 86A, Radio, Radio: Removal - Re-
fitting, page 86A-4) ,
-the centre front panel (see Centre front panel: Re-
moval - Refitting) (MR 412, 57A, Interior equip-
ment),
-the hazard warning lights control (see 84A, Con-
trol - Signals, Hazard warning lights and central
door control: Removal - Refitting, page 84A-10)
, Equipment required
Diagnostic tool
IMPORTANT
Consult the safety and cleanliness advice and ope-
ration recommendations before carrying out any
repair (see 88A, Wiring harness, Wiring: Precau-
tions for the repair, page 88A-2) .
IMPORTANT
To avoid any risk of triggering when working on or
near a pyrotechnic component (airbags or preten-
sioners), lock the airbag computer using the dia-
gnostic tool.
When this function is activated, all the trigger lines
are inhibited and the airbag warning light on the ins-
trument panel lights up contin uously (ignition on).
IMPORTANT
Never handle the pyrotechnic systems (pretensio-
ners or airbags) near to a source of heat or naked
flame - they may be triggered.
WARNING
To prevent damaging the connectors, consult the
disconnection procedures (see Connector: Dis-
connection and reconnection) (Technical Note
6015A, 88A, Wiring).
ENGINE REV COUNTER
Page 191 of 241

88A-55
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
-the A-pillar trims (see Windscreen pillar trim: Re-
moval - Refitting) (MR 412, 71A, Body internal
trim),
-the centre console (see Centre console: Removal
- Refitting) (MR 412, 57A, Interior equipment),
-the tweeters (see 86A, Radio, Tweeter: Removal
- Refitting, page 86A-7) ,
-the dashboard (see Dashboard: Removal - Refit-
ting) (MR 412, 57A, Interior equipment),
-the front door sill inner trims (see Front door sill
lining: Removal - Refitting) (MR 412, 71A, Body
internal trim),
-the rear parcel shelf side trims (see Rear parcel
shelf side trim: Removal - Refitting) (MR 412,
71A, Body internal trim),
-the rear panel trims (see Rear panel lining: Re-
moval - Refitting) (MR 412, 71A, Body internal
trim),
-the rear quarter panel trims (see Quarter panel
trim: Removal - Refitting) (MR 412, 71A, Body in-
ternal trim),
-the floor carpets (see Floor carpet: Removal - Re-
fitting) (MR 412, 71A, Body internal trim),
-the rear wheel arch trim (see Rear wheel arch
trim: Removal - Refitting) (MR 412, 71A, Body in-
ternal trim).
II - REMOVAL OPERATION FOR PART
CONCERNED
a
aDisconnect:
-the parking brake switch connector (2) ,
-the rear wheel speed sensor wiring connectors (3) ,
-the passenger compartment wiring / tailgate wiring
connectors (4) ,
-the fuel pump connector (5) . WARNING
To prevent any risk of noise, premature wear,
short circuits, etc. after the refitting operation,
mark the wiring routing and how to connect the
connectors.
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Page 192 of 241

88A-56
WIRING HARNESS
Passenger compartment wiring: Removal - Refitting
LEFT-HAND DRIVE
88A
aDisconnect the connector (6) from the parking dis-
tance control buzzer.
aDisconnect the connector (7) from the parking dis-
tance control computer.aDisconnect:
-the left-hand speaker connector (8) ,
-the right-hand speaker connector (9) .
aRemove:
-the rear left-hand earth wiring nut (10) ,
-the rear right-hand earth wiring nut (11) .
aUnpick the rear section of the wiring.
aDisconnect:
-the passenger compartment wiring / front left-hand
wiring connectors (12) ,
-the passenger compartment fuse box connector
(13) ,
-the passenger compartment fan assembly relay
connector (14) ,
-the electric window relay connector (15) ,
-the dipped headlights relay connector (16) ,
-the rear fog light relay connector (17) ,
-the UCH connectors (18) ,
-the passenger compartment wiring / heating sys-
tem wiring connector (19) , REAR PROXIMITY RADAR
121367
121369
WITH 4 SPEAKERS, WITHOUT RADIO or RADIO
NO. 03
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