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RG74DXH Parts Manual
Main Electrical Wiring Harness 37581 Rev B.
FROM
PLUG#
PIN#
01
2
01
3
01
4
01
5
01
6
01
7
01
8
01
9
01
10
01
12
01
14
01
16
01
17
01
18
01
20
01
22
01
25
01
27
01
28
01
29
01
30
02
A
02
B
03
A
03
B
04
A
04
B
04
C
04
D
05
2
06
2
07
C
08
A
08
B
09
1
09
5
09
8
09
13
09
25
09
26
09
27
09
28
09
32
46
WIRE DESCRIPTION
(FUNCTION IMPRINT)
COM GND
CAN (+)
CAN (-)
SERIAL GND
HYD OIL LEVEL SWITCH
STARTER LOCKOUT SIG
FUSED LCM PWR
(BLANK)
SERIAL (TX)
SERIAL (RX)
FUSED LCM PWR
HYD OIL TEMP SWITCH
THROTTLE UP SIG
THROTTLE DOWN SIG
ENGINE RUN SIG
IGNITION START SIGNAL
LCM STARTER SIGNAL
COMMAND CUT
CHARGE FILTER SENSOR
CW ENGAGE IN
CW ENGAGE OUT
RESISTOR
COM GND
RUN POWER (12V+)
LCM FUSED PWR
ECU GROUND
ECU POWER BAT (12V+)
CAN (+)
CAN (-)
RUN POWER (12V+)
CC GND
COM GND
CAN (+)
CAN (-)
ECU POWER BAT (+)
ENG RUN SIG
COOLANT SW PWR
WATER IN FUEL
ENG RUN SIG
ENG RUN SIG
ENG RUN SIG
ENG RUN SIG
VS OEM RETURN
GAUGE
COLOR
16
BLK
18 *TWISTED
YLW
18 *TWISTED
GRN
18
GRY
18
WHT
18
ORG
18
RED
18
WHT
18
TAN
18
ORG
18
RED
18
TAN
18
GRN
18
BRN
18
WHT
18
GRN
18
BLU
18
YLW
18
TAN
18
PUR
18
ORG
18
ORG
18
BLK
18
RED
18
RED
18
BLK
18
RED
18
YLW
18
GRN
18
RED
18
BLK
18
BLK
18 *TWISTED
YLW
18 *TWISTED
GRN
18
RED
18
BRN
18
PUR
18
BLU
18
RED
18
RED
18
RED
18
RED
18
BRN
TO
PLUG#
PIN #
SP1
-
07
A
07
B
45
C
39
B
SP7
-
SP3
-
01
13
45
A
45
B
SP3
-
23
1
05
3
05
1
44
1
43
2
25
-
06
1
38
B
42
02
24
02
SP7
-
SP1
-
SP2
-
SP3
-
SP5
-
SP4
-
40
A
40
B
SP2
-
SP1
-
SP1
-
09
22
09
46
SP4
-
44
2
15
A
10
1
SP4
-
SP4
-
SP4
-
SP4
-
15
C
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