78
- FORM NO. 56043129 - SR 1900
LT GREEN/PURPLE 18
LT GREEN/BLACK 18
BLUE/WHITE 18
BLUE/PINK 18
LT GREEN/RED 18
BLACK/LT GREEN 18
DK BLUE/ORANGE 18
PURPLE/YELLOW 18
UNUSED
GREEN/YELLOW 18
LT BLUE/PINK 16
DK BLUE 18
PINK/YELLOW 16
BLACK/RED 16
PURPLE 16
PINK 18
S
5V EXT 2 (FPP2 ONLY)
R 5V RTN 2
P
CAN1 -
N CAN1 +
M 5V EXT 1
L
5V RTN 1
K
FPP1
J
FPP2/IVS
H FUEL SELECT (AUX DIG 1)
G MIL
F
START COMMAND
E
AUX PWM 1
D FUEL PUMP +
C FUEL PUMP -
B
ALT EXCITE
A
VSW
PINK/DK GREEN 16
TAN/DK GREEN 18
RED/BLACK 18
RED/WHITE 18
TAN/BLACK 18
TAN/RED 18
GRAY/DK BLUE 18
GRAY/ORANGE 18
DK BLUE/YELLOW 18
YELLOW/DK BLUE 18
TAN 18
BLACK 16
GRAY 18
BROWN/WHITE 16
WHITE/BROWN 16
S
12V RELAYED POWER
R AUX ANA PD1
P
VS -
N VS +
M AUX DIG 3
L
AUX DIG 2
K
GOV SELECT 1
J
GOV SELECT 2
H AUX ANA PU1
G AUX ANA PU2
F
AUX PWM 2
E
GROUND
D TACH
C AUX PWM 5
B
AUX PWM 5 RECIRC
A
UNUSED
BLACK/LT GREEN 18
LT GREEN/WHITE 18
LT GREEN/RED 18
WHITE/LT GREEN 18
A
B
C
D
ECM Detail
CONNECTOR 1
CONNECTOR 2
BLACK/LT GREEN 18
LT GREEN/RED 18
DK GREEN 18
ORANGE 18
BLUE/PINK 18
BLUE/WHITE 18
1
ANA RTN
2
5V REF
3
PC TX
4
PC RX
5
UNUSED
6
UNUSED
7
CAN1 +
8
CAN1 -
GASOLINE SENSOR INTERFACE
TAN/BRN 16-1
GRN/YEL 18-1
BLU/PINK 16-1
PINK/YEL 16-1
BLK/RED 16-1
PINK 16-7
PINK 16-4
S
R
CAN1 (-)
P
CAN1 (+)
N
M
L
K
J
FUEL SELECT
H
MIL OUTPUT
G
START COMMAND
F
E
FUEL PUMP (+)
D
FUEL PUMP (-)
C
ALT. EXCITE
B
IGN. SWITCH INPUT
A
X1
GRA/BLU 18-1
TAN 18-1
S
R
P
N
M
L
THROTTLE INPUT
K
(12V FOR HIGH SPEED)
H
G
COOLANT TEMP. OUTPUT
F
E
D
C
B
A
X2
WHT/GRN 18-1
GRN/RED 18-1
GRN/WHT 18-1
BLK/GRN 18-1
D
C
B
A
X78
(GASOLINE
MODELS ONLY)
DIAGNOSTIC CONNECTOR
Machine
Harness Connectors
ECM
Harness Connectors
Wiring
Harness
Wiring Harness Component Description
Item
A
ECM Wiring Connector (90 Pins)
B
Gasoline/Petrol Fuel Sensor Interface Connector (fuel pressure
regulation and temperature sensor manifold assembly)
C
Engine Diagnostic Communication Port (8 Pin)
(MIL shorting location)
D
Ignition Coil Pack Wiring Connector
E
Engine Oil Pressure Switch
F
Crankshaft Position Sensor Connector
G
Throttle Fly Actuator Motor Connector (Bosch)
H
EGO #1 Sensor Wiring Connector
I
Combined TMAP Engine Air Temperature and MAP Sensor Wiring
Connector
J
Engine Coolant Temperature (ECT) Sensor Connector
K
Engine Starter Solenoid Wire Connector
L
EGO #2 Sensor Wiring Connector
M
LPG Fuel Lockoff Wiring Connector
N
LPG Temp Sensor Wiring Connector
P
EPR Connector (LPG) Fuel Regulator
Q
Gasoline Fuel Injectors
Definition of Terms for Computerized Engine Controllers
•
ANA-RTN:
•
ECM: Engine Control Module
•
EGO: Exhaust Gas Oxygen Sensor (O2)
•
EPR: Electronic Pressure Regulator
•
IAT: Intake Manifold Air Temperature
•
MAP: Intake Manifold Absolute Pressure
•
MIL: Malfunction Indicator Light
•
VSW: Switched Battery Voltage
•
VBAT: Battery Voltage
ELECTRICAL SYSTEM
Summary of Contents for 56507009
Page 5: ...FORM NO 56043129 SR 1900 5...
Page 64: ...64 FORM NO 56043129 SR 1900 THIS PAGE IS INTENTIONALLY BLANK...
Page 76: ...76 FORM NO 56043129 SR 1900 ENGINE HARNESS FOR GM 1 6L GAS Petrol Tier 3 ELECTRICAL SYSTEM...
Page 77: ...FORM NO 56043129 SR 1900 77 ELECTRICAL SYSTEM ENGINE HARNESS FOR GM 1 6L LPG Tier 3...