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YMMS: 2005 Chevrolet Colorado Nov 13, 2020

Engine: 3.5L Eng License:
VIN: Odometer:

STARTING/CHARGING

Question: wiring diagram

Fig 1: Charging Circuit

UNDERHOOD
FUSE BLOCK
MAXI FUSE (ON LEFT
FUSE 66 FRONT SIDE
100A OF ENGINE
COMPT)

RED RED

(RIGHT REAR CORNER

OF ENGINE COMPT)
POWERTRAIN CONTROL MODULE (PCM)
FIELD
STARTER
DUTY
SOLENOID CLASS 2
CYCLE GENERATOR
SIG ON SIGNAL DATA

45 1 C2 15 C1

GRY 23 RED 225 PPL 1807

RED RED

BATTERY
COMPUTER
DATA LINES
SYSTEM

BLK
RED GRY RED
PPL PPL
(NOT
USED) 10 11
C B
BLK
G104 B+ S F L P
VOLTS
(LEFT SIDE
OF ENGINE)

G100
(NEXT TO
CLASS 2 CLASS 2
REAR SIDE OF
BATTERY) SERIAL DATA SERIAL DATA

LOGIC

GENERATOR INSTRUMENT PANEL CLUSTER (IPC)

200237

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Fig 2: Starting Circuit, A/T

RED
UNDERHOOD
FUSE BLOCK
(ON LEFT FRONT
SIDE OF ENGINE
IGN COMPARTMENT)
TRANS D START
FUSE 10 RUN/CRANK FUSE 43
10A RELAY 61 30A

START
RELAY 62

IGN
FUSE 23
15A

C3 C7 E3 F3 C6 E3 D2 C2 F7 D1 C7 E2 C2

ORG DK BLU BLK PNK PNK LT GRN DK GRN YEL/BLK PPL RED

1 BATTERY

PARK/NEUTRAL
POSITION (PNP)
SWITCH
ORG (LOWER LEFT
POWER SIDE OF
2
DISTRIBUTION TRANSMISSION)
IGNITION SYSTEM
SWITCH 12
ACC START PNK
BLK BLK
LOCK
OFF RUN

DK BLU
G104
(LEFT SIDE
OF ENGINE)

BLK
B
G100
SP105
(NEXT TO REAR
(LEFT SIDE
SIDE OF BATTERY)
OF ENGINE
COMPT)
338 338
G105
DK BLU DK BLU

B8 C2 B6 C1

BODY CONTROL
MODULE (BCM)
(BEHIND RIGHT
KICK PANEL)

RED

STARTER
SOLENOID

DK GRN 1433 YEL/BLK 625

54 48 C1
POWERTRAIN CONTROL
PNP START STARTER ENABLE MODULE (PCM)
SWITCH SIG RELAY CTRL
(RIGHT REAR CORNER
OF ENGINE
COMPARTMENT)

200235

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Fig 3: Starting Circuit, M/T

RED
UNDERHOOD
FUSE BLOCK
(ON LEFT FRONT
SIDE OF ENGINE
IGN COMPARTMENT)
TRANS D START
FUSE 10 RUN/CRANK FUSE 43
10A RELAY 61 30A

START
RELAY 62

IGN
FUSE 23
15A

C3 C7 E3 F3 C6 E6 C7 D2 C2 F7 D1 C7 E2 C2
(NOT
ORG DK BLU BLK PNK USED) DK GRN DK GRN YEL/BLK PPL RED

B BATTERY

CLUTCH
START
SWITCH
ORG (TOP OF CLUTCH
2 PEDAL ASSEMBLY)
A
IGNITION
SWITCH
PNK
ACC START
BLK BLK
LOCK
OFF RUN

DK BLU
G104
(LEFT SIDE
OF ENGINE)

BLK
B
G100
SP105
(NEXT TO REAR
(LEFT SIDE
SIDE OF BATTERY)
OF ENGINE
COMPT)
338 338
G105
DK BLU DK BLU

B8 C2 B6 C1

BODY CONTROL
MODULE (BCM)
(BEHIND RIGHT
KICK PANEL)

RED

STARTER
SOLENOID

DK GRN 1433 YEL/BLK 625

54 48 C1
POWERTRAIN CONTROL
CLUTCH START STARTER ENABLE MODULE (PCM)
SWITCH SIG RELAY CTRL
(RIGHT REAR CORNER
OF ENGINE
COMPARTMENT)

200236

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