Chevrolet 70 1969 Series, Shop Manual

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C H ASSIS ELECTRICAL A N D INSTRUMENTS 12-15
If directional tell-tale light does not cancel
after completing a turn, remove the steering wheel
as explained in "M E C H A N I C A L S T E E R IN G " (SEC.
9A) and check for a worn or damaged cancelling
cam.
B U L B R E P L A C E M E N T
(TILT C A B M O D E L S )
N O T E : Refer to applicable light assembly for
bulb replacement.
Removal (Fig. 18)
Remove three screws which retain lens to
light assembly and remove lens. To remove bulb,
press inward on bulb and turn counterclockwise to
release from socket.
Installation (Fig. 18)
To install bulb, insert in socket, press inward
and turn clockwise to lock in socket. Position gas­
ket on lamp housing, then position lens on housing
and attach with screws.
DIRECTIONAL SIGNAL CONTROL
ASSEMBLY
The control assembly consists of a switch,
contact, wiring and bearing assembly and a can­
celling cam (fig. 19). The control assembly is in­
stalled over the steering shaft, inside the housing
and the cancelling cam is attached to the steering
wheel hub.
N O T E : On vehicles equipped with the hazard
warning system, an additional switch is mounted
on side of the directional signal control housing as
shown in figure 20.
R E M O V A L (Fig. 19 or 20)
1. Remove the steering wheel as directed in
"Steering Wheel Replacement" in "M E C H A N IC A L
S T E E R IN G " (SEC. 9A) of this manual.
2. Remove steering shaftupper bearing sleeve.
3. Disconnect wiring harness at instrument
panel harness connector.
N O T E : On some models it may be necessary
to remove control assembly wiring from the wir­
ing harness connector.
4. Remove screw attaching control lever to
switch and remove lever.
5. If hazard warning switch is mounted on side
of control housing, remove two screws which attach
switch to housing.
6. Remove three screws which attach control
assembly to housing, then remove control assem ­
bly with wiring from housing.
IN S P E C T IO N
Inspect control switch, hazard switch (if used),
wiring and bearing. Replace worn or damaged parts.
Inspect cancelling cam on steering wheel hub and
replace if worn or damaged.
IN S T A L L A T IO N (Fig. 19 or 20)
1. Position control assembly in housing and
attach to housing withthreescrews. Tightenscrews
firmly, however, do not exceed 30 inch-pounds
torque.
2. Position control lever on control assembly
and attach with screw. Tighten screw firmly.
3. If hazard warning switch was removedfrom
housing, position switch on housing and attach with
two screws. Route switch wires on outside of con­
trol assembly.
4. Connect wires at dash connector.
DIRECTIONAL SIG NAL
CONTROL ASSEMBLY
SWITCH TO
H O U SIN G SCREW
CONTROL
LEVER
CONTROL TO
H O U SIN G SCREW
(O N E SH O W N )
DIRECTIONAL
H O U SIN G
HAZARD
W A R N IN G
SWITCH
H ORN RING A N D
BEARING ASSEMBLY
Figure 20—Directional Signal Control Assembly
Figure
19—
Directional Signal Control Assembly (with Hazard Warning Switchl
CHEVROLET SERIES 7 0 -8 0 H EAVY DUTY TRUCK SH O P M A N U A L