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8W - 2
WIRING DIAGRAMS—ELECTRICAL
MAIN CIRCUIT IDENTIFICATION CODES
A l
Battery Positive Circuit.
A 9
Battery Negative Circuit.
B
Back Up Lamp Circuit.
C
Air Conditioning and Heater Circuits, Heated Rear
Window.
D
Emergency, Stop Lamp and Turn Signal Circuits,
Diagnostic Connector.
E
Instrument Panel Cluster, Switches and Illumination
Circuits.
G
Gauges, Warning Lamp Circuits.
H
Horn Circuit.
J l
Ignition Switch Feed Circuit.
J2
Ignition System Run Circuit.
J3
Starter Relay to Ballast Resistor.
J10
Ignition Switch Accessory Feed.
K
Single Board Engine Controller.
L
Lighting Circuit Feed (Exterior Lamps).
M l Lighting Circuit Feed (Interior Lamps).
M 2 Lighting Circuit Ground (Interior Lamps).
P
Brake Checking Circuit.
Q2 Accessory Buss Bar Feed (Fuse Block).
Q3 Battery Buss Bar Feed (Feed).
R3 Alternator Circuit to Electronic Regulator (Field).
R6 Alternator Circuit Feed.
S
Starter Motor and Starter Relay Circuit.
T
Tachometer.
V
Windshield Wiper and Washer Circuit.
W
Power Window Circuit, Power Lock Circuit.
X
Grounds For Radio Speakers, Cigar Lighter, Lamps,
Clock, Speed Control, Power Antenna, Power
Amplifier, Power Windows, Power Mirrors,
Door Locks.
Y
Injectors.
Z
Fuel Injection System Grounds.
J908W-63
Each w i r e shown i n t h e diagrams contains a code
(Fig. 3) w h i c h identifies t h e wires circuit, gage, a n d
color. The color is shown as a t w o letter code w h i c h
can be identified by r e f e r r i n g t o the W i r e Color Code
C h a r t . I f t h e w i r e has a tracer a n d i t s a standard
color a n asterisk w i l l follow t h e m a i n wire color, i f
the tracer color is non-standard t h e m a i n w i r e code
w i l l have a slash (/) after i t followed b y t h e tracer
color.
To identify w h i c h m a i n circuit code applies t o a
system, refer t o t h e M a i n C i r c u i t Identification Code
C h a r t .
18
LB/Yl*
COLOR OF WIRE
(Light Blue witH Yellow Tracer).
GAGE OF WIRE
(ISGcige)
PART OF MAIN CIRCUIT
"(Maries Depending on Equipment)
-MAIN CIRCUIT IDENTIFICATION
RR8WH24
WIRE COLOR CODE CHART
COLOR
CODE
COLOR
STANDARD
TRACER
COLOR
COLOR
CODE
COLOR
STANDARD
TRACER
CODE
BK
BLACK
WT
"
PK
PINK
BK OR
WH
BR
BROWN
WT
RD
RED
WT
DB '
DARK
BLUE
WT
TN
TAN
WT
DG'
DARK
GREEN
WT
VT
VIOLET
WT
GY
GRAY
BK
WT
WHITE
BK
LB
LIGHT
BLUE
BK
YL
YELLOW
BK
LG
LIGHT
GREEN
BK
WITH TRACER
OR
ORANGE
BK
908W-192
Fig. 3 - Wire Color Code Identification
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