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8-74
1977 PONTIAC SERVICE MANUAL
Circuit Name
- -
-
-
HEATER, AIR CONDITIONING,
VENTILATING SYSTEMS
Blower Switch
-
Feed
Blower Feed
-
Low
Blower Feed
-
H i g h
Blower-Switch C o n t r o l
-
Low and Feed
Compressor t o A i r C o n d i t i o n i n g Switch
Blower M o t o r t o Relay
Blower Switch M e d i u m t o Blower
Resistor
Resistor O u t p u t t o Blower Relay
Defogger
-
H i g h or Single Speed
Defogger
-
Low Speed
-
3 8
ohm/ft.
In-Car Sensor t o C o n t r o l
Amplifier t o Transducer
MISCELLANEOUS FEED CIRCUITS
Neutral Safety Switch Feed, o r N e u t r a l
Safety Switch t o Relay (Truck) o r
Relay t o Ignition Switch (Truck)
Starter Solenoid Feed
H o r n Feed
Traffic Hazard Switch, Feed f r o m
Flasher
Feed
-
Key W a r n i n g Buzzer
TRANSMISSION UNITS
Kick-Down on A u t o m a t i c Transmission
ELECTRICALLY POWERED
ACCESSORIES
W i n d o w C o n t r o l
-
L. F.
-
U p
W i n d o w C o n t r o l
-
L. F.
-
Down
W i n d o w C o n t r o l
-
L. R.
-
U p
W i n d o w C o n t r o l
-
L. R.
-
Down
W i n d o w C o n t r o l
-
R.F.
-
U p
W i n d o w C o n t r o l
-
R. F.
-
Down
W i n d o w C o n t r o l
-
R.R.
-
U p
W i n d o w C o n t r o l
-
R. R.
-
Down
Vent C o n t r o l
-
L. F.
-
O p e n
Vent C o n t r o l
-
L. F.
-
Close
Vent C o n t r o l
-
L. R.
-
O p e n
Vent C o n t r o l
-
L. R.
-
Close
Vent C o n t r o l
-
R. F.
-
O p e n
Vent C o n t r o l
-
R. F.
-
Close
Vent C o n t r o l
-
R. R.
-
O p e n
Vent C o n t r o l
-
R. R.
-
Close
Tailgate or Center Partition
W i n d o w
-
U p
Tailgate o r Center Partition
W i n d o w
-
Down
Circuit
Color
Brown
Yellow
O r a n g e
Tan
Dark Green
Purple
L i g h t Blue
Dark Blue
Purple
White-Purple
81
O r a n g e
L i g h t G r e e n
Tan
Purple
Purple
Dark G r e e n
Brown
Pink-Black
O r a n g e
Dark Blue
Brown
Dark G r e e n
Purple
Dark Blue-
W h i t e
Tan
Light G r e e n
Purple-White
Yellow
L i g h t G r e e n
Tan
G r a y
Yellow-Black
L i g h t G r e e n
Tan-Black
Gray-Black
L i g h t Blue
Tan-White
Circuit
Number
Circuit Name
ELECTRICALLY POWERED
ACCESSORIES (Continued)
Power Seat
-
Fore
Power Seat
-
A f t
Power Seat
-
4 - W
-
Fore and Down
Power Seat
--
4 - W
-
A f t and U p
Power Seat - . 4 - W
-
Solenoid
-
U p and Down
Power Seat
-
Solenoid
-
Fore and A f t
Power Seat
-
6 - W
-
Fore and A f t
Power Seat
-
6 - W
-
A f t and Down
Power Seat
-
6 - W
-
Solenoid
-
Frt.
-
U p and Down
Power Seat
-
6 - W
-
Solenoid
-
Rear
-
U p and Down
Power Antenna
-
U p
Power Antenna
-
Down
GROUND CIRCUITS
G r o u n d C i r c u i t
-
Direct
G r o u n d C i r c u i t
-
Direct
G r o u n d C i r c u i t
-
Direct
G r o u n d C i r c u i t
-
Direct
G r o u n d C i r c u i t
-
Direct
G r o u n d C i r c u i t
-
Direct
G r o u n d C i r c u i t
-
Switch Controlled
-
Body Interior L a m ~ s
-
such as Dome,
I
Courtesy. M a p , W a r n i n g , etc.
G r o u n d
-
Key W a r n i n g Buzzer
RADIO SPEAKERS
Rear Seat Speaker
-
Feed f r o m Radio
L e f t Stereo
Front Speaker
-
Feed f r o m Radio
-
Single or Right Stereo
Front Speaker
-
Feed f r o m Radio
-
L e f t Stereo
! I ) Use f e e d circuit numbers i n t h e order listed, depending on t h e number o f circuits used a t any one time.
Circuit
Color
Dark G r e e n
Yellow
Dark Green
Yellow
Light G r e e n
Light Blue
Dark Green
Yellow
Light G r e e n
Tan
Black
W h i t e
Black
Black
Black
Black
Black
Black
W h i t e
White-Black
White-Dark
G r e e n
Black-Purple
Brown
Light G r e e n
Tan
2 )
W h e n No.
35
circuit does n o t apply (normally o n vehicles with b o t h telltale l i g h t and standard temperature gauge.)
3 )
Use ground circuit numbers i n t h e order as listed, depending on t h e number o f circuits used a t any one time.
Circuit
Number
Fig.
8-93
Electrical Wire Codes By Category
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