6. Miscellaneous
Pin
Signal Description
Direction
Notes
A
Preheat In/Out
In/Out
10A Maximum Output
B
Battery Supply
In
Connect direct to battery ‘+’ via 30A Fuse
C
Ground
N/A
Connect direct to battery ‘-’
D
Starter
Out
10A Maximum
E
Ground
N/A
Connect direct to battery ‘-’
F
CAN Shield
N/A
G
ECU/Solenoid
Out
10A Maximum
H
Temperature Sender
In
Resistive
J
Alternator Excitation
Out
5A Maximum
K
Tach
In
Alternator or single ended mag-pickup
L
No Connect
N/A
M
Auxiliary Switch 2
In
Ground Input
N
Temperature Switch
In
Ground Input
P
Oil Pressure Sender
In
Resistive
R
Throttle Switch
In
Connected to ‘S’ via 390
Ω
resistor
S
Throttle Switch Return
Out
T
Oil Pressure Switch
In
Ground Input
U
CAN Low
In/Out
J1939
V
CAN High
In/Out
J1939
W
Auxiliary Switch 1
In
Ground Input
X
Fuel Sender
In
Resistive
Table 1. Engine Harness Connection
LOFA document No. 463-3002-22
Page 23