Triumph TR4A - Electrical System; Fuses and Bulb Chart

ELECTRICAL
SYSTEM
ELECTRICAI
A 12
volt negative
earth system
is employed
in all
circuits.
To safeguard
against
fire from
short circuits,
alwavs
dis-
connect
one
cable from
the
battcry before
removing
or disco,r-
necting
an
electrical
unit.
WARNING.
Ii the
vehicle is
to be
equipped with
a radio,
connected
to the
car electrical
system, ensure
that
the
radio
is of
NEGATIVE
GROUND
POLARITY,
or serious damage
will result.
SYSTEM
Fuses
(Fig.
55)
The fuse
unit, which is located
on the right-hand
side
vala
houses
2
operating and 2
spare fuses. Fuse
A2
prolects
insttument
illumination.
rhe
parLing and rail lamps
and
number
plare illuminarion
lamps. Fuse
A.4
prorecis rhe
r
conlrolled by
l}e
ignition
s!r itch.l.e..
flashingdirection
signals.
peralure
and tuel
gauges. brake stop lamp5
and the \ iper
m(
below rhe fuse
unii
adJacent ro the horn relal
main hainess.
Failure
of a fuse is indicated
by all the
units protecte(
that fuse
becoming
inoDerative. If the new
fuse fails
immedia
the eguipment
an-d associated uiring
musr
be examined
and
fault rectified
BULB
CHART
Lucas
222
382
380
207
987
54521(
Fig. s5