Defender (1993+). Manual — part 102

ELECTRICAL EQUIPMENT

RENEW

WIPER

MOTOR

AND DRIVE RACK

Removing wiper motor

1.

Disconnect the battery.

2.

Remove the wiper arms.

3.

Remove the single screw and remove the

fascia side panel.

4.

Remove the five screws and withdraw the
instrument panel as far as possible without

straining the wires and cables.

8.

Release the fascia panel left-hand support
bracket.

9. Remove fascia lower panel finisher.

10.

Remove fascia lower panel.

5.

Remove the single screw securing steering

wheel centre pad.

6. Turn steering wheel to straight ahead position

and mark the relationship

of

the steering

wheel to the column and remove the nut.
Withdraw the wheel using special

tool

18G

1014

or a suitable alternative puller.

7 .

To

remove the air conditioning panel and

controls, remove the

two

screws at the right

hand side of the panel and the single screw at
the left-hand side, inside the instrument cowl.

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REISSUED:

FEB

1993

ELECTRICAL EQUIPMENT

11.
12.

Remove earth lead.

13. Lift rubber sleeve from wiper motor and

Remove

slacken wiper motor to drive tube nut.

14. Remove the wiper motor retaining strap

1.

Pull the wiper arm away from the windscreen.

screws and remove strap together with

2. Using a small screwdriver, hold back the

mounting pad and earth tag.

spring clip which retains the arm to the

15. Pull the wiper motor and drive rack clear of

the drive tubes.

Disconnect the wiper motor wiring multiplug.

RENEW WINDSCREEN WIPER ARMS

spindle adaptor.

3.

Pull the wiper arm from the splined adaptor.

4. Switch the wiper motor to the "park" position

with the grub screw, retaining the adaptor,
uppermost.

5. Push the arm

on

to the adaptor

so

that the

wiper blade is just clear

of the windscreen

surround rubber.

6. Operate the wipers and if necessary adjust

the position of the arms.

Fitting

wiper motor

16. Feed the drive rack into the drive tube until

fully located in the wheel boxes.

17.

Finger tighten the drive tube nut.

18. Position the motor mounting pad and secure

the assembly with the strap

and

screws not

forgetting the earth tag.

19.

Tighten the drive tube nut and position the
rubber sleeve over the nut.

20. Connect the multiplug to the motor and the

earth lead to the tag on motor retaining strap.

21. Before fitting the fascia panels, fit the wiper

blades, connect the battery and test the wiper
operation.

22. Refit the fascia panels noting that the air

conditioning panel must be located and

secured, on the left side, with the single
screw, before the instrument panel is fitted.

23. Fit the steering wheel ensuring that the marks

made during removal coincide. Fit and tighten

the securing nut to the correct torque.

24. Fit the steering wheel centre pad with the

single screw.

REISSUED:

FEB

1993

21

ELECTRICAL EQUIPMENT

RENEW WINDSCREEN WIPER WHEELBOXES

Remove

7. Remove demister vent top duct.

6.

Remove right-hand vent demister vent fixing

and pivot vent and hose aside.

8.

Release the steering column upper and lower

9. Slacken the left and right-hand wheelbox nuts

1.

Disconnect the battery.

support rods.

2. Carry-out the instructions to remove the wiper

motor and drive rack for air conditioned

and remove drive tubes from wheelboxes.

vehicles, that is:

10. Remove wiper arm splined adaptor.

Wiper arms

11. Remove spacer, where fitted, early vehicles

Fascia side panel

only.

Instrument housing

12. Remove nuts securing left and right-hand

Fascia top crash rail

wheel boxes and withdraw wheelboxes from

Steering wheel

bulkhead.

Fascia panel air conditioning controls

Fitting wheelboxes

NOTE: It is important that during the following
assembly the fixings related to the wiper motor
and wheelboxes are finger tightened only until all

Wiper motor and drive rack

3. Remove centre and left-hand fascia top crash

rail support bracket fixings.

4.

Remove left and right-hand demister vents

the components are correctly aligned.

from ducts.

5. Remove right-hand demister vent hose from

duct.

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REISSUED: FEB 1993

ELECTRICAL

EQUIPMENT

13. Fit the wheelboxes to the bulkhead and

ELECTRICAL

SYSTEMS

loosely secure with the nut and washer.

14.

Loosely fit the drive tubes to the wheelboxes

The electrical systems on the vehicle are made

up of

15.

Feed the drive rack through the tubes until

separate harnesses of which the Engine Harness,

fully seated in both wheelboxes.

Chassis Harness and Main Harness Assembly are

16.

Loosely secure drive tube nut to wiper

motor.

the main components. These three harnesses

17

Loosely

fit

the wiper motor strap and earth

connect

together

and

to

smaller

individual

lead.

component harnesses to form the vehicle harness.

18.

When all components are correctly aligned,

Each harness can be separated and replaced

tighten the wheelbox nuts to secure the drive

individually The harnesses are shown in situ in the

tubes. Tighten the wheelbox to bulkhead nuts.

vehicle.

19.

Finally tighten the dnve tube nut to wiper

motor and motor strap screws.

The following harness descriptions include listings of

20. Connect the multiplug to wiper motor and

the items connected onto each harness and the

earth lead to strap tag.

colour coding of the relevant cables For information

21. Fit the spacer, where used, early vehicles

on the individual circuits which form the vehicle

only.

electrical system, refer to the Circuit Diagrams.

22. Fit the wiper arm adaptors.
23. Connect the battery and check the operation

For information

on

the location and identification of

of the motor and drive assembly and

relays. timers and control units, refer to the table and

wheelboxes.

illustration in this section.

24. Disconnect

the

battery

and

reverse

instructions 2 to 10. Ensure that the steering
column upper and lower support rod fixings
are tightened

to

the correct torque.

25. Reconnect the battery and check wiper

operation again and adjust arms if necessary.

23

RE-ISSUED:

FEB

1993