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CHASSIS ELECTRICAL
8-73
C i r c u i t N a m e
FEED C I R C U I T S
-
G E N E R A L
Feed, Battery
-
Unfused
Feed, Battery
-
Fused
Feed. Ign. Sw. "On"
Controlled
-
Unfused
Feed, Ign. Sw. "On"
Controlled
-
Fused
Feed, Ign. Sw. Accsy. Controlled
-
Unfused
Feed, Ign. Sw. Accsy. Controlled
-
Fused
Feed. Battery
-
Circuit Breaker Protected
Feed. Relay Controlled
-
Circuit Breaker Protected
Feed. Cutout Sw. Controlled
Circuit Breaker Protected
STARTER A M M E T E R A N D
IGNITION
" H o t "
Circuit
-
lgnition (or Master
Swytch) O n
-
Unfused
Primary lgnition Voltage
-
Dropping
Resistor
.38
ohm./ft.
Primary
lgnition Voltage
-
Dropping
Resistor
.30
ohm./ft.
Neutral Safety Switch Feed
Starter Solenoid Feed
Primary lgnition Resistance Bypass
Ammeter
-
Generator
Ammeter
-
Battery
F O R W A R D L A M P S
Side Marker Lamps
Dimmer Switch Feed
Headlamp. H i g h Beam
Headlamp. Low Beam
Front Parking Lamps
L.
H.
lndicator and Front
Direction Light
R. H.
lndicator and Front
Direction Light
Fog or Drive Lamp
R.
H.
Cornering Lamp
L.
H.
Cornering Lamp
I N S T R U M E N T P A N E L
L.
H.
lndicator and Front
Direction Light
R. H.
lndicator and Front
Direction Light
Direction Signal Switch, Feed
f r o m Flasher
C i r c u i t
C o l o r
Red
Orange
O r a n g e
Orange
Orange
Pink
Pink-Black
Pink-Black
Pink-Black
Brown
Brown-White
Brown-White
Brown-White
Orange-Black
Red-White
Pink-Black
Pink
Nhite-Purple
&
Orange
White-Red
8
Black
Purple
Purple
Yellow
Black
Black-White
Brown
Light Blue
Light Green
Tan
Purple
Light Blue
Dark Blue
Purple
Black
G r a y
Light B!ue
Dark Blue
Purple
C i r c u i t
N u m b e r
-
-
C i r c u i t N a m e
I N S T R U M E N T P A N E L ( C o n t i n u e d )
Direction Signal Switch. Feed
from Stop Switch
Flasher, Fused Feed
Instrument and Panel Lights.
(Fused No.
44
Circuit)
Instrument and Panel Lights,
Feed (Usually Light Switch t o Fuse)
Radio Feed
Rear Seat Speaker Feed f r o m Radio
Single or Rt.,
Stereo
M a p Light
W a r n i n g Light
-
Brake Alarm
Back-up Switch or Parking Brake
Alarm Feed
Over-Speed Warning Light
H o r n Switch
REAR L A M P S
Tail and License Lamp
Stop and Direction Lamp, or Direction
Lamp O n l y
-
Rear L.
H.
Stop and Direction Lamp, or Direction
Lamp Only
-
Rear R.
H.
Stop Lamp [Trailer)
Marker and Clearance Lampr
(Trailers
-
ICC
Requirement)
Auxiliary Circuit (Trailer)
Back-up Lamp
G E N E R A T O R A N D R E G U L A T O R
Generator or Generator Armature t o
Voltage Regulator
"A"
(Includes
Generator Telltale Circuit)
or
Regulator t o lgnition Switch [Truck)
Field Circuit ( F ) (GenJReg.)
Generator
(Alternator) t o Regulator
Generator
(Alternator)
External
Resistance
2 ohms per foot
1
ohm per f o o t
SI Alternator Regulator Sensing Circuit
S E N D I N G U N I T S
Tachometer t o C o i l
Fuel Gauge t o Tank U n i t
Oil
Pressure
-
Engine
Telltale Temp. Gauge ( H o t ) , or Std.
Temp.
-
Readable G a u g e
Telltale C i r c u i t - Temp.
Gauge
( C o l d )
Telltale Temperature Gauge ( H o t )
W I N D S H I E L D WIPERS
Windshield W i p e r
-
Low
Windshield Wiper.. H i g h
Windshield W i p e r M o t o r
-
Feed
Windshield Washer Switch t o
Windshield Washer
C l r c u l t
Color
-
W h i t e
Dark Blue
Gray
Dark Green
Yellow
Dark Blue
Yellow
Tan
Dark Green
Dark Blue
Black
Brown
Yellow
Dark Green
Red
Black
Dark Blue
Light Green
Brown
Dark Blue
W h i t e
:olor
depends
m
Resistance
Brown-White
Black-Pink
W h i t e
Brown
Tan
Dark Blue
Dark Green
Light Green
Dark Green-
W h i t e
Black
Light Blue
Yellow
Dark Blue
I ) Use feed circuit numbers in the order listed. depending o n the number of circuits used at any one time.
2 ) W h e n No. 35 circuit does not apply (normally on vehicles with both telltale light and standard temperature gauge.)
3 ) Use ground circuit numbers in the order as listed, depending on the number o f circuits used at any one time.
C i r c u i t
N u m b e r
Fig.
8-92
Electrical Wire Codes By Category
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