Pontiac FIREBIRD 1972 Service Manual page 1300

1972 PONTIAC SERVICE MANUAL
(EATER
-
A I R C O N 0
( 2 5
amp)
HEATER BLOWER MOTOR
A I R COND BLOCER MOTOR
IAZARD FLASHER
-
'DR ACSRY
-
CONV TOO
PODER PINDOWS
POWER SEATS
F L E C ODOR L O C K S
S E A T B l C K LOCKS ( A . B . G I
PODER T A I L G A T E D I N D O l
I A ~ B I
PODER T A I L G l T E I B I
POWER C o v r r FOP
-
POWER D I N O O D S
POWER S E A T S
E L E C . ODOR L O C K S I A . B R G I
S E A T BACK LOCKS I & . B A G 1
POWER T A I L G A T E WINDOW I A A B )
PODEK T A I L G l T E I 0 0 : l L Y I
' I
POWER CONNECTOP FOR
-
UNUERHOOU L A M P
I
A. B g G l
R A O I O S U P P R E S S I O N C l P A C I T O R
D / S LOW WASHEK WARNING
. .
:LK-LTR-cTsy-A
( 2 0
a m p )
\,
\ \ /,//
HOOD T E L L - T A L E T A C H O M E T E ~ ( B ONLY) ILLUMINATION
CLUCK POCER I F I E L U I N S T A L L E U A 9 F I
C I G A R L I G H T E R C k U I S F CONTPflL ( I N - L I N E
COULTESY L I L H T S 5 AMP FUSE
DECK L I O R E L E l S E ( A B B G I
GLOVE BOX L I G H T
UNUERHDOU L A M P I A . B A G 1
D / S WIPER
D / S DASHER
T A I L L I G H T S
PARK L I G H T S
C O R I I E R I N L L I G H T S I B b G l
S I D E MARKER L I G H T S l A P E P L A Y E P
S . S Y S T E M ( A . B . F . G )
E S T D P SOL. I a . 8 . F.
EI
,TOP - HAZARD
STOP L I G H T S
HAZAUU L I G H T S
DOME L I G H T
TRUNK L I L H T
P E A L SEAT C I G A R L T R S I 8 1
DOOP ?S;ikTESY L P S I B R G I
/ /
NOT USED
2
/
I N S T L I G H T S
1
(4
amp)
I l l S T P A N E L I L L U M I N A T I O N L I G H T S
ASH TRAY I L L U M I N A T I O N L I G H T
CLOCK L I G H T
AUTO. T R A I S . S H I F T I N D . L I G H T
R A O I O D I A L L I L H T
C I G A R L I L H T E R I L L U M I N A T I 0 1 1 L I G H T
HEATER Dk A I R C O N O I T I O l COIJTROL L I G H T
TACtIOMETER L I L H T ( C L U S T E R MOUNTED1
NOTE
-
A i C BLOWER MOTOP FUSE
( 3 0
amp)
LOCATED I N
L I X E AT ALTERNATOR
\ \
( 2 0 amp)
B A C K - U P L I G H I S
D I R E C T I O N A L S I G N A L S
W1:lDOD CONTROL RELAY
T E R M I N A L D E S I G N A T I O N
AS
-
TO KEY ALARM ON HORN R E L A Y I F O N L Y l
I T
-
TO HORN R E L A Y I O P E R A T I N L C O I L C I P C U I T l l F ONLY 1
AU
-
TO H I G H B E A M H E A D L I G H T S
AV - TO LOW BEAM H E A U L I L H T S
AW - TO O P E R A T I I l G C O I L ON STARTEC S O L E N O I O
AX - TO OOWNSHIFT S W I T C H
AY - POWFR TO S C S SOL
( C E C SYSTEM 011 6 - C Y L I
AZ - TO TEMP S W I T C H
B S
-
TO L H C O R N E k I l l G L I G H T [ B A G )
B T
-
NOT UFEO
B U - TO L H PARK/MARKER L I G H T S
BX
-
TO P L U S I + \ T E R M I N A L ON C O I L
BY - TO O I L P R E S S U k E S * I T C H
- B A T 1 POWER TD H E A D L I G H l S W I T C H
( E X C E P T S T U CAR 1
I N D E X I E N L I N E H A R N E S S 1
I N DEX [ F R O N T E N 0 H A k l 4 E F S l
,-EXAMPLE
-
C A V I T Y "US"
I A C T U A T I N G C O I L l
SFAT B E L T WARIIING BUZZER
T A I L L A T E R E L A Y I ACTUAT1:lG C O I L l
GAUGES
-
TRANS
( 10
amp)
T k A N S . D O l N S H I F T
O I L PRFS. GA.
TEMP. G I .
F U E L GA
LOW B R A K E T E L L - T A L E
SEAT B E L T D A L N I N G T E L L - T A L E
P O D F k CONII. F O k -
WINDOW CONTROL P E L A Y
I A C T U A T I N G C O I L l
T A I L G A T E R E L A Y I A C T U A T I N G C O I L 1
SEAT B E L T V A P N I N G BUZZER RELAY
I A C T U A T I N G C O I L 1
VIEW L O O K I N G AT T E R M I N A L S
[ F R O N T S I D E OF D A S H )
C S - TO L H FPONT O I P E C T I O N l L S I G N A L L T .
C T
-
TO R H . FRONT O I R E C T I O N A L S I G N A L L T .
C U
-
TO R H . PARK/MARKEP L I G H T S
CX - TO A L l E R N A T O R
CY
-
TO W I N O S H I E L U W I P E P
C Z - TO W I N D S H I E L D WASHER
D S
-
TO k H C C R t l E R I N G L I G H T I B A G I
D T
-
NOT USFO
D U - TO LOW BRAKF F L U I D S W I T C H
DV
-
NOT U S E D
DD
-
B A T T E P Y F E E U I N T O CAR ( A L S O SEE " B Z " 1
DX - B A T T E k Y F E E D TO C I k C U I T BREAKER
I P O l E R R E W I R E M E N T S O N L Y l
DY
-
TO W I N U S H I E L O D I P E E
OZ
-
TO W I N D S H I E L D W I P E P
Fig. 12-33 Fuse Block Identification
-
With Electric Rear Window Defogger
CIRCUIT BREAKER
A circuit breaker is provided to protect power seat, power
window and power tailgate windows from high current
loads. A relay in the same circuit switches current of these
various components and is energized by current from the
accessory feed connectors.
LIGHTING
The headlamp system consists of two dual headlamp units
(one on F, G and X Series) mounted in a horizontal ar-
rangement on each side of car. In this installation the
outside lamp is a dual filament seal beam unit. The inside
unit contains a single filament and is used as the primary
source of light for the high beam.
Lighting is controlled by two switches. First, the instru-
ment panel main lighting switch which has two on posi-
tions or notches, the first for parking, side marker, tail and
license lamps, and the extreme out position for the head-
lamps, parking, side marker, tail and license lamps. Rotat-
ing the lighting switch knob operates a rheostat for
dimming the instrument panel lamps; with the rheostat in