Triumph TR4 - ELECTRICAL SYSTEM; Fuse Protection and Bulb Chart

ELECTRICAL
SYSTEM
ELECTRICAI,
A 12
volt positive earth
system is
employed
in all circuits.
To
safeguard against
fire from
short circuits,
always dis-
connect one
cable from the battery
before
removing or discon-
necting
an elect cal unit.
Fuses (Fig.
54)
The fuse unit,
which is located
on the right-hand
side valance,
houses four
35-amp. fuses,
Fuse A2
protects the instrument
SYSTEM
illumination,
the
parking and tail
lamps and the
number
plate
illumiuation
lamps.
Fuse ,A4
protects the units
controlled
by the
ignition
switch,
1.e., flashing
direction
signals, temperature
and
Iuel
gauges. brake
stop lamps
and lhe
wiper
motor.
The horns
are protected
by a 35-amp.
inline fuse
located
below the
fuse unit
adjacent to the
main hamess.
Failure
of a fuse
is indicated
by all the
units protected
by
that
fuse becoming
inoperative.
If the new
fuse fails immediately,
the equipment
and associated
wiring
must be examined
and the
fault fectified.
BULB
CHART
Watts Lucas
No.
Parking
.. ..
Flashing
. .
Brake/Tail
Plate Illumination
Panel
lllumination
Headlamp
(Home
Market)
4
222
2l
382
2116
380
6 207
2.2
987
60145 54521060
39
Fig. 54