Generac Power Systems 10 kW LP Repair Manual page 101

DC CONTROL
18 17 16 15 14 13 12 11 10 4
9 8 7 6 5 4 3 2 1 2
J2 J1
J3
(STEPPER MOTOR)
REMOTE WIRELESS CONNECTION
PiN WirE circuit fuNctioN
J1-1 85 High temperature shutdown:
Shutdown occurs when Wire 85 is
grounded by contact closure in HTO
J1-2 86 Low oil pressure shutdown: Shutdown
occurs when Wire 86 is grounded by
loss of oil pressure to the LOP
J1-3 13 12 VDC source voltage for the circuit
board
J1-4 18 Ignition Shutdown: Circuit board
action grounds Wire 18 for ignition
shutdown.
J2-1 INTERNAL USE ONLY
J2-2 INTERNAL USE ONLY
J2-3 14 12 VDC output for engine run condi-
tion. Used for fuel solenoid and choke
solenoid operation.
J2-4 817 Grounded by printed circuit board to
turn on System Ready (Green) LED.
J2-5 23 Switched to ground for transfer relay
operation
J2-6 NOT USED
J2-7 NOT USED
Part 4
18 17
3
9
1
3
1
J1 CONNECTOR
(HARNESS END)
Figure 5. 10 kW Printed Circuit Board and J1 Connector
10 kW J1 connector Pin Descriptions
DEscriPtioN aND comPoNENts
16 15 14 13 12 11
8 7 6 5 4 3 2
J2 CONNECTOR
(PCB END)
4 10 11 12 13 14 15 16 17 18
2 1 2 3
J2 CONNECTOR
(HARNESS END)
N1/N2 CONNECTOR
(PCB END)
PiN WirE
J2-8 15B
J2-9 820
J2-10 0
J2-11 56
J2-12
J2-13 818
J2-14
J2-15 90
J2-16
J2-17
J2-18
J3
Wired Plug-1 N1
Wired Plug-2 N2
sEctioN 4.1
10
4 3
1 2 1
J1 CONNECTOR
(PCB END)
4 5 6 7 8 9
1
N1/N2 CONNECTOR
(HARNESS END)
circuit fuNctioN
Provides an electrical connection for
charge current to reach the battery
from the battery charger. Provides 12
VDC to the Transfer Relay
Positive voltage (+5 VDC) for status
LEDs.
Common Ground
12 VDC output to starter contactor
relay for V-Twin engines
NOT USED
Grounded by board to turn on the
Alarm (Red) LED.
NOT USED
Switched to ground for choke sole-
noid operation
INTERNAL USE ONLY
NOT USED
NOT USED
Control wires for Stepper Motor
240 VAC sensing for control board.
240 VAC sensing for control board.
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