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PREHEATING CIRCUIT
CN-93(J2)
OFF IDLE S/W
1
BRAKE SWITCH
7
THROTTLE POSITION SIG.
9
ON IDLE S/W
11
THROTTLE +5V DC
22
THROTTLE POSITION RETURN
23
IDLE INCREMENT INPUT
24
IDLE DECREMENT INPUT
25
COOLANT LEVEL
28
ALTERNATE TORQUE
31
COOLANT LEVEL RETURN
32
STARTER LOCKOUT RETURN
33
REMOTE THROTTLE S/W RETURN
34
J1939 SHIELD
37
VEHICLE KEY S/W INPUT
39
COLD START AID
40
327
COLD START AID RETURN
42
328
J1939(+)
46
J1939(-)
47
STARTER LOCKOUT
48
WAIT TO START LAMP
50
ECU
6
5
CS-2
6
5
3
2
1
4
202
3
4
2
203
1
3
START SWITCH
2
CN-95
103
2
102
1
F/LINK
CN-60
101
2
100
1
F/LINK
DO-1
203
1
204
2
MAIN
EARTH
204
DO-2
G
G
1
204
2
103
101
FUSE BOX #1
6
CN-2
CR-1
102
BATT
RELAY
DISCONNECT
SWITCH
1
FUSE BOX #2
4
1
2
3
4
5
6
7
8
9
51
52
CN-100
1
329
2
3
4
7-13
FUSE BOX #3
CR-42
327
1
328
4
2
117
3
4
329
5
PREHEAT RELAY
5
CR-45
87
87a
87a
30
85
86
ECM RELAY
CR-24
329
PRE-HEATER
PREHEATER
RELAY
CN-45
M
M
GND
B+
START MOTOR
CN-74
B+
G
1
P
3
~
2
L
3 FI
4 NC
ALTERNATOR
110D7EEL10
2
5
3
1
85
87
30
86
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