Electrica
'i
ALTERNATOR
The following precautions must be observed to prevent inadvertent damage to
the alternator and its control equipment.
Polarity. Ensure that the correct battery polarity (negative ground) is maintained
at all times; reversed battery or charger connections will damage the alternator
rectifiers.
Battery connections. The battery must never be disconnected while the engine is
running.
FUSES The fuses are housed under the fuse cover (1) mounted in the engine compart-
Fig. 3 ment adjacent to the battery.
Fuse connecting
1
-2.
The fuse (2) protects one parking lamp, one tail lamp, one
number-plate lamp, and one front and rear side marker lamp.
Fuse connecting
3
-4.
The fuse (3) protects one parking lamp, one tail lamp ,
one number-plate lamp, and one front and rear side marker lamp.
Fuse connecting
5
-6.
The fuse (4) protects the circuits which operate only when
the ignition is switched on. These circuits are for the direction indicators, brake
stop lamps, reverse lamps and seat belt warning.
Fuse connecting
7
-8.
The fuse (5) protects the equipment which operates inde-
pendently of the ignition switch, namely horns, interior and luggage compartment
lamps, headlamp flasher, brake failure warning lamp,
door
and seat belt audible
warning and the cigar-lighter (if fitted)
Two spare fuses (6) are provided
and
it is important to use the correct replace-
ment fuse. The fusing value, current rated 17 amp. continuous
(35_amp. blow
rated), is marked on a coloured slip of paper inside the glass tube of the fuse.
Line
fuses
Running-on control valve(if fitted). The 17 amp. continuous currentrated (35 amp.
Fig. 3 blow rated) line fuse (7) protects the running-on control valve circuit which
operates when the ignition is switched off.
Hazard warning. The 17 amp. continuous current rated (35 amp. blow rated) line
fuse (8) protects the hazard warning lamps and is located behind the hazard
warning switch. It is accessible only when the centre console is withdrawn (see
page 42).
Radio (if fitted). A separate additional line fuse protects the radio. See the
instructions supplied with the radio for the correct fuse ratings.
To change line fuse, hold one end of the cylindrical fuse holder (9), push in,
and twist the other end
(10). Remove the fuse (11) from the cylindrical holder.
Blown
fuses
A blown fuse is indicated by the failure of all the units protected by it, and is
confirmed by examination of the fuse when withdrawn.
- -
Before renewing a blown fuse inspect the wiring of the units
that
have failed for
evidence of a short-circuit or other fault.
HEADLAMPS
Light
unit
To remove a light unit, ease the
bottom
of the outer rim (1) forwards
and
lift
Fig. 4 it off the retaining lugs at the top of the lamp. Unscrew the three inner rim
retaining screws (2), remove the inner rim
(3), withdraw the light unit (4),
and
disconnect the three-pin plug (5).
To fit a light unit, connect the three-pin plug, position the light unit in the
headlamp body ensuring that th
thr
e lug formed on the outer edge of the
light unit engage in the slots form d in th body, and fit the inner retaining rim.
Refit the outer rim.
Beam
setting
Two adjusting screws are provided on each headlamp for setting the
main
beams. The screw (6) is for adjusting the beam in the vertical plane,
and
the
screw (7) is for horizontal adjustment. The beams must be set in accordance with
local regulations; resetting and checking should be entrusted to your
auth
orized
Austin MG Dealer, who will have special equipment available for this purpose.
Fig. 3
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Fig. 4
Fig. 4
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