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INSTRUMENTS
8-73
(4)
Remove the steering column clamp and lower
the steering column, taking care to avoid damaging
the back-up lamp switch.
(5)
Remove the cluster mounting screws, pull the
cluster out and disconnect the speedometer cable and
printed circuit board plug.
(6)
Remove the cluster.
In
strumen
t
Cluster
(1) Disconnect the battery ground cable.
(2) Remove the four cluster mounting screws, pull
the cluster out and disconnect the wiring to the clus-
ter.
Installation
Speedometer Cluster
(1) Position the cluster in front of the panel open-
ing and connect the speedometer cable and printed
circuit board plug.
(2) Position the cluster in the panel opening and
install the mounting screws.
(3)
Raise the steering column and install the col-
umn clamp. Take care to avoid damaging the back-up
lamp switch.
(4)
Connect and adjust the gear shift indicator link.
Connect the back-up lamp switch wiring, if equipped
with automatic transmission.
(3) Remove the cluster.
( 5 )
Install the steering column cover plate.
(6)
Connect the battery ground cable.
(1) Position the cluster in front of the panel open-
(2) Install the cluster in the panel and install the
(3) Connect the battery ground cable.
Instrument Cluster
ing and connect the wiring to the cluster.
four cluster mounting screws.
PRINTED CIRCUIT BOARD TESTING
(Instrument Cluster Removed)
The printed circuit board should be visually in-
spected first to determine
if
a conductor
is
open. If
there is no visual break, ground the instrument clus-
ter with a jumper wire from the cluster base to a good
ground.
(1)
Test the individual printed circuit plug connec-
tor with a test lamp to determine
if
voltage
is
avail-
able at that point.
(2) If voltage is available, substitute a good lamp
or gauge in the inoperative circuit.
(3)
Connect the plug connector to the printed cir-
cuit board and connect a test lamp prod to the input
side of the lamp opening or gauge.
(4)
If voltage
is
available at the input side of the
gauge or lamp, test for continuity at the ground ter-
minal. If an open circuit is detected in the conductor,
the printed circuit board must be replaced.
CLUSTER COMPONENTS
Disassembly
on Models AR-1 and AR-2.
with the bezel face down.
bly to the cluster base and remove the bezel.
moval of the desired gauge or speedometer.
Assembly
circuit board, take special note of alignment.
base and install the attaching screws.
(1) Remove the clock reset knob (if
so equipped)
(2) Place the cluster assembly on a padded surface
(3) Remove the screws attaching the bezel assem-
(4)
Remove the attaching nuts or screws for re-
When installing the instruments into the printed
(1) Position the printed circuit board on the cluster
(2) Install gauges and speedometer.
(3)
Install the clock (if so equipped) on Models
(4)
Position the cluster base on the cluster bezel
AR-1 and AR-2.
and install the attaching screws.
FUSE BLOCK (Fig. 10)
The fuse block is located at the forward edge of the
instrument panel and is retained to the instrument
panel lower reinforcement by a self tapping screw.
In the fuse block are mounted the radio, cigar
lighter, air-conditioner or heater, tail-stop-dome light
and accessory fuses. The fuse capacity is printed on
the fuse block as an aid to replacement requirements.
CIRCUIT BREAKERS
As a safety precaution, circuit breakers are used
for the headlamps and wiper circuits. They insure that
these essential services will continue to function if an
intermittent short circuit occurs. Use only identical
type and amperage valve circuit breakers as replace-
ments for service.
Fig.
I "Fuse
Block
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