Land Rover Defender 90 110 Workshop 1984 Rover Manual

ELECTRICAL EQUIPMENT - LAMPS 
Renew the bulbs 
86 
1. Disconnect thc battery. 
2. Remove two screws  and withdraw  the warning  light 
module  from the front  of the  instrument  panel. 
3. Pull off the  plug  connector  to give access to 
warning  light bulbs. 
4. Twist  the bulb  holder  and pull  it from  its socket. 
5. Pull the bulb  from  the holder. 
6. Fit  a new  bulb  and refit  the holder  and plug 
connector. 
7. Refit  the module. 
8. Connect  the battery. 
... 
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86 
OVERHAUL WIPER MOTOR 
ELECTRICAL EQUIPMENT- WIPER MOTOR 
DISMANTLE 
1. Removc :hc wiper motor  and drive  from the 
2. Remove the wiper motor  gearbox  cover. 
3. Remove  the circlip  and plain  washer  securing  the 
4.  Withdraw 
the connecting  rod. 
5. Withdraw the flat  washer. 
6. Remove  the circlip  and  washer  securing the shaft 
7. Clean  any burrs  from the gear  shaft  and  withdraw 
8. Withdraw  the dished  washer. 
9. Add alignment  marks to the  yoke  and gearbox  for 
vehicle....

ELECTRICAL EQUIPMENT- WTPER MOTOR 
20. Fit the armature  and yoke  to gearbox  using 28. To adjust the armature  shaft end-float,  hold the 
yoke  vertically  with the adjuster  screw uppermost. 
Carefully  screw
-in the  adjuster  until resistance  is 
felt,  then  back
-off one  quarter  turn. 
alignment 
marks, secure with the yoke  retaining 
bolts  tightening  to 23 
Kg f cm (20  Ibf in).  If a 
replacement  armature is being  fitted slacken  the 
thrust  screw 
to provide  end-float for fitting the...

ELECTRICAL EQUIPMENT- FAULT TRACING 
ELECTRICAL EQUIPMENT FAULT TRACING 
INTRODUCTION 
The  following  information  is designed  to assist 
electricians  in diagnosing  faults by a process  of 
elimination. 
If  the  diagnosis  charts are followed  step by step, 
isolation  of a fault  and its rectification  will be achieved 
logically  and consistently  in the  minimum 
of time. 
Basic  information  on the  use 
of standard  equipment 
and  normal  workshop  practice 
is not given. If electronic...

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ault  Check Test 
attery not being charged AUTION: The vehicle 
attery  must never be 
isconnected while the 
mgine is running iarning light stays  on 
Varning  light does not function 
then ignition switched on  Rectification 
1,293949 5 
(ii) Ammeter 
reading below 10A, voltmeter reading between  13.6 and 14.6 V and battery  in 
low  state of charge 
(iii)  (iv)  Ammeter  reading above 
10A, voltmeter reading above 14.6V 
6. Drive belt: Check the drive  belt is not broken or slipping 
Ammeter 
reading...

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,. . : .,, ..... .. . ..I .. , .- .. 
- lest ault Check Rectification 
;NITION SYSTEM Connect 0 - 1 V voltmeter  as in Test 15c. fit a jumper lead  from  earth to distributor body,  with  ignition 
on and contact  breaker points closed: 
(i)  Below 
0.2V Remake earth  connections between 
distributor body and  earth 
(ii) Above 0.2V- High resistance or open circuit  in distributor  Checklrepair or renew contact 
breaker points,  base plate screws...

ault Check 
GNITION  SYSTEM 
rEST EQUIPMENT :A) Voltmeter 0 - 20V moviing coil :B) Voltmeter 0 - 1V movin;g coil 
Dhmmeter 
Test 
14. H.T. Circuit 
kl 
ST1307M 
H ST1308M 
Disconnect  main  H.T. lead from  distributor  cap, hold 
approximately 6 mm (V4 in) from a good  earth, ensure 
contact  breaker  points are closed,  switch on ignition  and flick 
contact  breaker  points open. 
Good healthy  spark-Main H.T. lead, 
condenser and  coil satisfactorv 
Poor or no soark 
Replace  main H.T. lead with  a...

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Connect voltmeter (B) as in Test 15C, fit ajumper lead from earth to distributor  body, 
with  ignition  on and  contact  breaker  points closed: 
(i)  Below 
0.2V 
(ii)  Above 0.2V- High resistance or open  circuit  in distributor 
Connect voltmeter 
(A) as in  Test 15b, with  ignition  on and contact  breaker points open: 
(i)  Above  12 V- Continuity  in primary  windings of coil, supply line  and ballast 
resistor if fitted 
(ii) 
Zero -open circuit  feed to coil, open  circuit  primary...

86 I ELECTRICAL EQUIPMENT - FAULT TRACING 
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