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CHASSIS ELECTRICAL
8-75
C l r c u i t
N u m b e r
C l r c u i t
C o l o r
Red
Pink
White-Purple
1
Orange
White-Red
dr
Black
Brown
Purple
Purple
Yellow
G r a y
Brow
Light Blue
Light Green
Tan
Purple
Light Blue
Dark Blue
Purple
W h i t e
Yellow
Dark Green
Red
White
Light Green
Brown
Dark Blue
Brown
Black
Dark Green
Tan
Dark Blue
Yellow
Tan
Purple
Dark Green
C l r c u i t N a m e
Feed. Battery
-
Unfused
Feed, Ign. Sw. "On"
Controlled
-
Unfused
Primary lgnition Voltage
-
Dropping
Resistor
.38
ohm./ft.
Primary
lgnition Voltage
-
Dropping
Resistor
.30
ohm./ft.
Feed. Ign. Sw. Accsy. Controlled
-
Unfused
Neutral Safety Switch Feed or Neutral
Safety Switch t o Relay (Truck) or
Relay t o lgnition Switch (Truck)
(Auto. Trans.)
Starter Solenoid Feed
Primary lgnition Resistance Bypass
lnstrument and p a n e l Lights,
(Fused No.
44
C i r c u i t )
Tail and License Lamp, Forward Side
Marker Lamps
Tail, Clearance and Marker Lamps
(Trailers)
Dimmer Switch Feed
Headlamp. H i g h Beam
Headlamp, Low Beam
Front Parking Lamps
L.
H.
Indicator and Front
Direction Light
R.
H.
Indicator and Fronf
Direction Light
Direction Signal Switch. Feed
from Flasher
Direction Signal Switch, Feed
from Stop Switch
Stop and Direction Lamp, o r Direction
Lamp O n l y
-
Rear L.
H.
Stop and Direction Lamp, or Direction
Lamp Only
-
Rear R.
H.
Stop Lamp
(Trailer)
Ground
-
Direct (Trailer W i r i n g ]
Back-up Lamp
Generator or Generator Armature t o
Voltage Regulator
"A"
(Includes
Generator Telltale C ~ r c u ~ t ) or
Regulator t o lgnition Switch (Truck)
Field C i r c u i t ( F ] (Gen./Reg.)
Traffic Hazard Switch, Feed from
Flasher
H o r n Switch
H o r n Feed
Fuel Gauge t o Tank Unit
O i l Pressure
-
Engine
M a p Light
Warning Light
-
Brake Alarm
Fog or Drive Lamp
Telltale Temp. Gauge ( H o t ) , or Std.
Temp.
-
Readable Gauge
C i r c u i t
N u m b e r
C i r c u i t
C o l o r
L i g h t Green
Dark Blue
Pink-Black
Orange
Brown-White
Yellow
Dark Green
Black
Dark Blue
Dark Blue
Dark Green
Gray
Brown
Yellow
Orange
Light Green
Dark Green
Orange
Tan
G r a y
Black
Dark Green
Orange-Black
Tan
Purple
Red-White
Light Blue
Dark Green
Pink-Black
Pink-Black
Black
Light Blue
Yellow
Dark Blue
Dark Blue
W h i t e
Black
Black-White
Dark Blue
C l r c u i t N a m e
Telltale Circuit
-
Temp. Gauge ( C o l d )
Flasher, Fused Feed
Feed, Ign. Sw. "On"
Controlled
-
Fused
Feed,
Battery
-
Fused
Feed, Ign. Sw. Accsy. Controlled
-
Fused
Radio Feed
lnstrument and Panel Lights,
Feed (Usually Light Switch t o Fuse)
Marker and Clearance Lamps
(Trailers
-
I C C Requirement)
Rear Seat Speaker Feed f r o m Radio
Single or Rt., Stereo
Auxiliary
Circuits
(Trailer)
Amplifier Conn. t o Light W a t c h Switch
Mod. Assembly t o Control
Blower Switch
-
Feed
Blower Feed
-
Low
Blower Feed
-
H i g h
Anti-Wheel Lock Valve Release Solenoid
t o Control Box
Anti-Wheel Lock Control t o Shield
Kick-Down on Over-Drive or Automatic
Transmission
Amplifier t o Transducer
L.
H.
Cornering Lamp
R.
H.
Cornering Lamp
Compressor t o Air Conditioning Switch
Feed. Battery
-
Circuit Breaker Protected
Blower-Switch Control
-
Low and Feed
Blower M o t o r t o Relay
Feed, Relay Controlled
-
Circuit Breaker Protected
Blower Switch Medium t o Blower
Resistor
Back-up Switch or Parking Brake
Alarm Feed
Feed
-
Key Warning Buzzer
Feed. Cutout Sw. Controlled
-
Circuit Breaker Protected
Windshield W i p e r
-
Low
Windshield W i p e r
-
H i g h
Windshield W i p e r M o t o r
-
Feed
Windshield Washer Switch t o
Windshield Washer
Resistor O u t p u t t o Blower Relay
SI Alternator Regulator Sensing Circuit
Ammeter
-
Generator
Ammeter
-
Battery
Over-Speed Warning Light
Fig. 8-94 Electrical Wire Codes By Circuit Number
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