Grady-White Boats Express 370, Owner'S Manual

Page: 115 / 123

3 7 0 E
X P R E S S
8–65
1 2 Vo l t D C E l e c t r i c a l D i a g r a m - D u a l E n g i n e s
370-DC-1-3 (DUAL)
370-DC-1-1 (DUAL)
BOTH
2 1
OFF
STBD BATTERY
SELECT SWITCH
5.
10.
8.
7.
4.
1.
6.
2.
LINE
NO.
(-) (+)
BATTERY
CHARGER
(50 AMP)
6 GA BLK
AFT GAS TANK
DIESEL TANK
16 GA GRN - FUEL GROUND
16 GA GRN - FUEL GROUND
16 GA GRN
SEE DWG
370-DC-4
LINE 1
YAMAHA CABLE
RED (ENG. LEAD)
STBD ENGINE
(SEE ENGINE
OWNER'S
MANUAL)
4 GA RED
GENERATOR
(SEE DWG
370-AC-1)
CONT. TO 370-DC-1-2 LINE 16
60A
MRBF
FUSE
50A (MRCB)
DC MAIN
FUSE
100A
ANL
RED (ENG. LEAD)
AFT 1
2V D
C
NE
G
A
T
IVE
BUS
2/
0 RE
D
BOW THRUSTER
PORT ENGINE
(SEE ENGINE
OWNER'S
MANUAL)
(+)
4/0 RED
BOTH
2 1
OFF
PORT BATTERY
SELECT SWITCH
LINE
NO.
2/0 R
E
D
LEWMAR CABLE
BOW THRUSTER
JOYSTICK
CONTROL
2/
0 RE
D
(+) (-)
2/
0 B
LK
BATTERY
BANK # 1
(+) (-)
4 GA BLK
BLK (ENG. LEAD)
(-)
(-)
(-)
(+)
(-)
(+)
YAMAHA CABLE
SEE DWG
370-DC-4
LINE 3
FUEL TANK
SENDER
16 GA PNK
DIESEL TANK
SENDER
16 GA GRN 16 GA PNK/BLU
3.
FUSE
MRBF
60A
SEE DWG
370-DC-1-1
LINE 6
FUSE
ANL
400A
(B
E
H
IN
D
AC
/DC
PANEL
)
(-) (+)
BOW THRUSTER
BATTERY
AC
GND N L 1
SEE DWG
370-AC-1
3C 16 GA
BLK
WHT
GRN
FUSE
ATC
10A
16 GA R
6 GA BLK
(+)
6 GA RED
SEE DWG
370-DC-1-3
LINE 27
SEE DWG
370-DC-1-3
LINE 27
7 PIN HARNESS
GENERATOR
REMOTE
DISPLAY
20.
17.
18.
LINE
NO.
21.
16.
22.
25.
370-DC-1-2 (DUAL)
CONT. TO 370-DC-1-3 LINE 26
AFT 1
2V D
C
NE
G
A
T
IVE
BUS
(BEHI
N
D
A
C
/DC
PANEL
)
C
O
PPER BAR
COPPER BAR
BOW THRUSTER
BATTERY CHARGER
FUSE
ATC
10A
16 GA R
16 GA BLK
16 GA BLK
M
A
IN
A
C
C
Y
1
2V
DC NEG.
BU
S
(B
EH
IN
D
A
C
/D
C
PANEL
)
SEE DWG
370-AC-1
SEE DWG
370-DC-3-1
LINE 13
SEE DWG
370-DC-2
LINE 1
SEE DWG
370-DC-3-1
LINE 1
16 GA PNK/BLU
SEE DWG
370-DC-1-1
LINE 9
SEE DWG
370-AC-1
3C 14 GA
BLK
AC
GND N L 1
GND
8 GA GRN
TEMP SENSOR
6 GA RED
6 GA RED
2/0 BLK
(BE
H
IND
AC/
DC P
A
NEL
)
1
2V D
C
PO
SITIVE BUS
WHT
GRN
16 GA PNK/BLU
SEE DWG
370-DC-1-3
LINE 35
NOTES:
1) INDICATES MULTI-CONDUCTOR CABLE
2) SEE LAYOUT DRAWINGS FOR COMPONENT LOCATIONS
3) 50 AMP MAXI FUSE CHANGES TO 100 MRCB IF THE
BOAT IS EQUIPPED WITH V6 ENGINES
AF
T
1
2V
DC
N
E
G
A
T
IV
E
B
U
S
M
A
IN
ACCY
1
2V D
C
NE
G B
U
S
CO
P
P
ER BAR
NOTES:
1) INDICATES MULTI-CONDUCTOR CABLE
2) SEE LAYOUT DRAWINGS FOR COMPONENT LOCATIONS
3) 50 AMP MAXI FUSE CHANGES TO 100 MRCB IF THE
BOAT IS EQUIPPED WITH V6 ENGINES
CONT. FROM 370-DC-1-3 LINE 25
BLK (ENG. LEAD)
RED (ENG. LEAD)
AF
T
1
2V
DC
N
E
G
A
T
IV
E
B
U
S
C
O
PPER B
A
R
M
A
IN
ACCY
1
2V D
C
NE
G B
U
S
C
O
PPER B
A
R
2 GA
R
E
D
COPPER BAR
NOTES:
1) INDICATES MULTI-CONDUCTOR CABLE
2) SEE LAYOUT DRAWINGS FOR COMPONENT LOCATIONS
3) 50 AMP MAXI FUSE CHANGES TO 100 MRCB IF THE
BOAT IS EQUIPPED WITH V6 ENGINES
9.
11.
19.
8 GA RED
SEE DWG
370-DC-1-1
LINE 1
ISO
15.
12.
RED (ENG. LEAD)
6 GA BLK
(+)
SEE DWG
370-DC-1-1
LINE 10
6 GA RED
FUSE
MAXI
50A
(NOTE 3)
FUSE
MAXI
50A
2/0 RED
(NOTE 3)
SEE DWG
370-DC-1-3
LINE 34
(N
EAR
BSS BO
X
)
A
F
T
1
2V
D
C
N
E
G
A
TI
VE
BU
S
(N
EAR
B
SS
BO
X
)
TEMP SENSOR
C
O
PPER BAR
4 GA RED
2/0 RED
M
A
IN
ACCY
1
2V D
C
NE
G B
U
S
(B
EH
IN
D A
C
/D
C
PA
N
E
L)
(N
EA
R
BS
S B
O
X
)
C
O
PPER B
A
R
ANCHOR
WINDLASS
90A (MRCB)
2 GA BLK
SEE DWG
370-DC-7
LINE 1
C
O
PPER BAR
C
O
PPER B
A
R
SEE DWG
370-DC-7
LINE 1
10A (CB)
12V
CONSTANT
P15
16 GA RED/PNK
(N
EAR
B
SS
BO
X
)
M
A
IN
ACCY
1
2V D
C
NE
G B
U
S
(B
EH
IN
D A
C
/D
C
PA
N
E
L)
(N
EA
R
BS
S B
O
X
)
8 GA GRN
SEE DWG
370-DC-1-1
LINE 6
2/0 BLK
6 GA RED
SEE DWG
370-STO-1
LINE 5
8A (CB)
FWD
BILGE
P15
16 GA BRN/RED
FWD GAS TANK
16 GA GRN - FUEL GROUND
16 GA GRN
FUEL TANK
SENDER
16 GA PNK/WHT
6 GA GRN
10 GA BLK
AF
T
1
2V
DC NEGA
T
IV
E
B
U
S
(N
E
A
R
BSS
BO
X)
CONT. FROM 370-DC-1-1 LINE 15
23.
24.
COPPER BAR
16 GA BLK
8 GA BLK
SEE DWG
370-DC-4
LINE 6
POWER ASSIST
(-)
(+)
16 GA PUR
SEE DWG
370-DC-1-3
LINE 32
8 GA RED
SEE DWG
370-DC-1-3
LINE 32
(-) (+)
(+) (-)
BATTERY
BANK # 2
2/
0 R
E
D
2/
0 B
L
K
2 GA BLK
2
G
A
BL
K
2 G
A
B
L
K
2 GA RED
2 GA
R
E
D
SEE DWG
370-DC-1-2
LINE 24
8 GA RED
SEE DWG
370-DC-1-2
LINE 24
8 GA BLK
SEE DWG
370-DC-3-1
LINE 8
P1
P1
P12
P12
16 GA BLK
P12
YAMAHA
MULTI-FUNCTION
SPEED GAUGE
(POWERED BY
IGNITION SW. -
SEE ENGINE'S
OWNER'S
MANUAL)
SEE DWG
370-DC-3-1
LINE 17
8 GA RED
80A (MRCB)
4 GA RED
16 GA RED/PNK
4 G
A
R
E
D
4 GA
R
E
D
8A (CB)
AFT
BILGE
16 GA BRN/WHT
P15
SEE DWG
370-DC-3-1
LINE 7
1
6 G
A
BRN
/WHT
16 G
A
B
R
N/
W
H
T
1
6 G
A
BRN
/WHT
SEE DWG
370-HWA-1
LINE 1
16
G
A
R
E
D
/P
N
K
2 GA RED
(-)
HELMMASTER
STBD / PORT
SCU
(OPTIONAL)
(-)
(+)
(+)
4 GA BLK
4 GA BLK 4 GA RED
4 GA RED
4 GA
R
E
D
16 G
A
B
R
N/
W
H
T
4 GA
R
E
D
80A (MRCB)
4 GA RED
16 GA BRN/WHT
HELM MASTER
(OPTIONAL)
HELM MASTER
(OPTIONAL)
8 GA RED
SEE DWG
370-DC-1-3
LINE 32
ISO
1
6 GA
RE
D/
P
N
K
COPPER BAR
SEE DWG
370-DC-5
LINE 1
6 GA RED
16 GA BLK/YEL
(PANEL LIGHTS NEGATIVE)
AC/DC PANEL
(SEE DWG
370-DC-2)
DC FUSE BLOCK
(SEE DWG
370-DC-5)
FWD BERTH
CO MONITOR
AFT BERTH
CO MONITOR
6 GA RED
6 GA BLK
16 GA RED
16 GA BLK
16 GA RED
16 GA BLK
FUSE
1A
ATC
FUSE
1A
ATC
13.
14.
34.
30.
27.
31.
29.
32.
26.
33.
36.
35.
37.
28.
38.
39.
40.
41.
42.
43.
44.
SEE DWG
370-DC-8 OR
370-DC-8-AV2
LINE 1
10 GA BLK/BLU
SEE DWG
370-HWA-1
LINE 1
16 GA BLK
45.
FUSE
MRBF
50A