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09
35
09
49
09
50
09
51
09
52
09
62
09
73
09
75
09
76
09
83
11
-
12
-
17
-
23
2
24
1
26
-
27
-
31
30
31
85
31
86
31
87
32
-
35
-
36
-
38
A
39
A
39
C
43
1
43
6
46
-
SPLICE
WIRE DESCRIPTION
SP1
SP2
RUN POWER (12V+)
SP3
LCM FUSED PWR
SP4
ECU POWER BAT (12V+)
SP5
ECU GROUND
SP6
KEY SWITCH PWR (12V+)
SP7
STARTER LOCKOUT SIG
SP8
KEY START PWR
800.392.2686
COOLANT LVL INPUT
ECU GROUND
ECU GROUND
ECU GROUND
ECU GROUND
ECM RETURN
ECU GROUND
INTAKE HEAT RELAY SIG
HS RETURN
STARTER LOCKOUT SIG
ECU GROUND
BAT/ENG BLOCK GND
START SOL SIG
RUN POWER (12V+)
COM GND
START SOL GND
START SOL PWR
RUN POWER BATT(12V+)
COM GND
RUN PWR RELAY SIG
RUN POWER (12V+)
ECU POWER BAT (12V+)
KEY SWITCH PWR (12V+)
COM GND
RUN POWER (12V+)
RUN POWER (12V+)
COM GND
KEY SWITCH PWR (12V+)
KEY SWITCH PWR (12V+)
KEY SWITCH START PWR
COM GND
Main Electrical Wiring Harness 37581 Rev B.
SPLICE CIRCUITS
GAUGE
COLOR
10, 14, 16,18
BLK
10,14,18
RED
18
RED
14,18
RED
18
BLK
12, 16
RED
18
ORG
18
GRN
RG74DXH Parts Manual
18
PNK
18
BLK
18
BLK
18
BLK
18
BLK
18
BRN
18
BLK
18
GRN
18
BRN
18
ORG
10
BLK
10
BLK
14
GRN
18
RED
18
BLK
18
GND
14
RED
10
RED
18
BLK
18
GRN
10
RED
14
RED
12
RED
10
BLK
18
RED
18
RED
18
BLK
16
RED
16
RED
18
GRN
CONNECTED TO
01-2, 02-B, 06-2, 07-C, 24-1, 26, 31-85, 36, 39-C,
03-A, 05-2, 23, 31-87, 38-A, 39-A
1-8, 1-14, 03-B
04-B, 09-1, 09-25, 09-26, 09-27, 09-28, 32
04-A, 09-49, 09-50, 09-51, 09-52, 09-73, 11
35, 43-1, 43-6,
01-7, 02-A, 09-83
31-86, 43-4, 46
15
B
SP5
-
SP5
-
SP5
-
SP5
-
10
2
SP5
-
29
-
30
-
SP7
-
SP5
-
37
-
28
-
SP2
-
SP1
SP1
-
34
-
33
-
SP1
-
43
4
SP2
-
SP4
-
SP6
-
SP1
-
SP2
-
SP2
-
SP1
-
SP6
-
SP6
-
SP8
-
47
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