GMC 1976 ZEO 6083 Maintenance Manual page 608

FINE
WIN
WIPER
0 1
GAUGE
BEZEL
CLUSTER
MAI
J
L IF
BATTERY & FUEL SWITCH
TELL-TALE PANEL
LOW
FUEL
SWITCH
WASHER
SWITCH
RADIO
HEADLIGHT SWITCH
HEADLIGHT SWITCH
RETAINING RING
INSTRUMENT PANEL REAR COVER
REPLACEMENT
1. Remove the (2) cover retaining screws on each
side of the cover.
2. Lift cover straight up and work from behind
the cluster assembly .
3. To install, reverse steps 1-2.
SPEEDOMETER HEAD REPLACEMENT
1 . Disconnect battery ground cables .
2 . Remove instrument panel bezel.
3. Remove instrument panel rear cover.
4. Remove the (3) speedometer retaining screws
(See figure 3) and ground wire .
5. Hold the speedometer cable spring retaining
clip down and pull cable away from speedometer
head .
6. Disconnect (4) wire electrical connector from
the back of the speedometer head .
7. Pull the speedometer head out and disconnect
the transmission gear indicator cable.
CIGAR LIGHTER HOUSING
INSTRUMENT PANEL
HEATER CONTROL
SPEEDOMETER
HEADLIGHT SWITCH KNOB
Figure 2-Instrument Panel Components
CHASSIS ELECTRICAL
12- 3
CIGAR LIGHTER SOCKET
RADIO
KNOB
CIGAR
LIGHTER
A-1779
8 . Remove the speedometer head from the instru-
ment panel.
9. When installing new or repaired speedometer
head, the gear indicator cable should be routed
around the metal post on the back side of the instru-
ment panel . (See figure 4)
10 . Reverse steps 1-8 to install speedometer
head and test operation.
INSTRUMENT CLUSTER
COWL PANEL
SPEEDOMETER
RETAINING SCREWS
Figure 3-Speedometer and Gauge Cluster