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Instruction Manual
Model 4105 Gas Sensor Module (12/02)
Page: 9
Figure 7.2
Wiring Diagram
Combustible
P 1
T B 1
T B 2
R I B B O N
C A B L E
T O
C P U
A S S Y .
V
O
U
T
J P 1
1 3 2 4
U 2
U 4
U 5
R A C
U 3
V O L T S B A L
R 2
R 1 1
U 1
Sensor Pwr./Sig.
Black
Brown
Red
Toxics
P 1
T B 1 T B 2
R I B B O N
C A B L E
T O
C P U
A S S Y .
V
O
U
T
J P 2
B A
J P 1
1 3 2 4
U 2 U 7
U 4
U 5
U 1
S C R
R 1 9
ST-46A/EC I/O PCB FOR
ELECTROCHEMICAL SENSORS
Sensor Pwr./Sig.
Black
Red
White
P 1
T B 1 T B 2
R I B B O N
C A B L E
T O
C P U
A S S Y .
V
O
U
T
J P 2
B A
J P 1
1 3 2 4
U 2 U 7
U 4
U 5
U 1
S C R
R 1 9
ST-46A/EC I/O PCB FOR
Sensor Pwr./Sig.
Red
Black
Oxygen
Short R&C