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8-62
1977 PONTIAC SERVICE MANUAL
COMMON BULBS
BACK-UP
FRONT SIDE MARKER
REAR TAIL & STOP
AMMETER TELLTALE
BRAKE WARNING
CLUSTER & SPEED0 ILLUMINATION
DIRECTION SIGNAL INDICATOR
HEADLAMP "HI" BEAM INDICATOR
I.P. COMPARTMENT
OIL PRESSURE TELLTALE
SEAT BELT WARNING
TEMPERATURE TELLTALE
NOTES:
(A)
PART OF LAMP ASSEMBLY-NO
BULB REQUIRED.
(B)
USES CLUSTER ILLUMINATION.
(C)
PART OF SWITCH ASSEMBLY.
(Dl
FIBER OPTIC.
1
VISOR VANITY MIRROR ILLUM.
74
1
74
1
74
1
74
7
--
--
--
--
I
4041
Fig. 8-87 Bulb Usage
signal lever automatically returns to the off position and
cancels the lane change signal. Normal operation of the
direction signals is achieved by passing the lever through this
intermediate detent to the normal stop position. After a turn
is completed, the return of the steering wheel to straight
ahead position automatically turns off signal lamps.
When the system is operating correctly, the frequency
of turn signal is about 60-120 flashes per minute. If either a
front or rear signal bulb burns out, the reduced current in the
circuit will cause the I.P. signal lamp on that side of car to
burn steadily when the system is activated.
The flasher is a sealed unit and is non-adjustable. If
flasher is inoperative, it must be replaced.
NOTE: Do not use a "heavy-duty" variable load flasher
such as hazard flasher, since it will not indicate bulb
outage.
The flasher makes an audible signal when it is properly
positioned. This audible signal serves as an additional
warning when signal is operating.
COLUMN MOUNTED DIMMER SWITCH
The headlamp dimmer switch on G, and AG Series is
located on the outside of the steering column at the base of
the turn signal lever.
B
Series switch is located on the column
below the instrument panel, and is actuated by a rod from
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