Grady-White Boats Express 370, Owner'S Manual

Page: 116 / 123

3 7 0 E
X P R E S S
8–66
1 2 Vo l t D C E l e c t r i c a l D i a g r a m - T r i p l e E n g i n e s w i t h H e l m M a s t e r O p t i o n
370-DC-1-1 (TRIP HM)
BOTH
2 1
OFF
STBD BATTERY
SELECT SWITCH
5.
10.
8.
7.
4.
1.
6.
2.
LINE
NO.
(+)
(-) (+)
BATTERY
CHARGER
(50 AMP)
6 GA RED
SEE DWG
370-DC-1-2
LINE 17
6 GA BLK
AFT GAS TANK
DIESEL TANK
16 GA GRN - FUEL GROUND
16 GA GRN - FUEL GROUND
16 GA GRN
6 GA RED
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)
A
F
T
12
V DC
NE
G
A
T
IVE
B
U
S
2/
0 R
E
D
BOW THRUSTER
PORT ENGINE
(SEE ENGINE
OWNER'S
MANUAL)
(+)
4/0 RED
BOTH
2 1
OFF
PORT BATTERY
SELECT SWITCH
2/
0 R
E
D
LEWMAR CABLE
BOW THRUSTER
JOYSTICK
CONTROL
2/
0 R
E
D
(+) (-)
2/
0 B
LK
BATTERY
BANK # 1
(+) (-)
BATTERY # 3
(-) (+)
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
(BEHI
N
D
AC/
D
C
PA
NEL
)
(-) (+)
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
BOTH
2 1
OFF
CENTER
BATTERY
SELECT SWITCH
(+)
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
80A (MRCB)
(-) (+)
FUSE
MRBF
60A
SEE DWG
370-DC-1-1
LINE 6
BATTERY # 2
CENTER ENGINE
(SEE ENGINE
OWNER'S
MANUAL)
(+)
R
E
D (
E
NG
. L
E
AD
)
BLK (ENG. LEAD)
(-)
YAMAHA CABLE
SEE DWG
370-DC-4
LINE 2
80A (MRCB)
LINE
NO.
4 GA
R
E
D
C
O
PP
ER BA
R
370-DC-1-2 (TRIP HM)
CONT. TO 370-DC-1-3 LINE 26
A
F
T
1
2
V DC
NE
G
A
T
IVE
B
U
S
(B
EH
IN
D
AC
/D
C PA
N
E
L
)
C
O
PP
ER BA
R
2/0 BLK
(-)
HELMMASTER
STBD2 / CENTER
SCU
(-)
(+)
(+)
4 GA BLK
4 GA BLK 4 GA RED
4 GA RED
(-)
HELMMASTER
STBD / PORT
SCU
(-)
(+)
(+)
4 GA BLK
4 GA BLK 4 GA RED
4 GA RED
COPPER BAR
BOW THRUSTER
BATTERY CHARGER
16 GA GRN - FUEL GROUND
PORT YAMAHA
PCU HARNESS
PLUG 1
FUSE
ATC
10A
16 GA R
16 GA BLK
16 GA BLK
M
A
IN ACCY
1
2V
D
C
NEG. BUS
(BEHI
N
D
A
C
/DC
PANE
L)
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
(B
E
H
IN
D
A
C
/DC
PA
NEL
)
1
2V DC PO
S
ITI
VE
B
U
S
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
A
F
T
1
2V
DC NE
G
A
T
IVE BUS
M
A
IN
A
CCY
1
2
V
D
C
NE
G
B
U
S
4 GA
R
E
D
4 GA RED
2/0 RED
6 GA RED 2/0 BLK
4 G
A
R
E
D
CO
PP
ER
B
A
R
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)
A
F
T
1
2V
DC NE
G
A
T
IVE BUS
CO
PP
ER
B
A
R
M
A
IN
A
CCY
1
2
V
D
C
NE
G
B
U
S
CO
PP
ER
B
A
R
4 GA
R
E
D
COPPER BAR
9.
8 GA RED
SEE DWG
370-DC-1-1
LINE 1
ISO
RED (ENG. LEAD)
6 GA BLK
(+)
SEE DWG
370-DC-1-2
LINE 21
6 GA RED
FUSE
MAXI
50A
(NOTE 3)
8 GA RED
SEE DWG
370-DC-1-3
LINE 32
ISO
80A (MRCB)
4 GA RED
FUSE
MAXI
50A
8 GA RED
2/0 RED
(NOTE 3)
SEE DWG
370-DC-1-3
LINE 34
(N
E
A
R
B
SS
BO
X)
A
FT 12
V
D
C
N
E
G
A
TI
V
E
BU
S
(N
EA
R B
SS
BO
X)
8A (CB)
AFT
BILGE
TEMP SENSOR
C
O
PP
ER BA
R
4 GA RED
2/0 RED
16 GA BRN/WHT
P15
SEE DWG
370-DC-3-1
LINE 7
M
A
IN
A
CCY
1
2V
D
C
NEG
BUS
(B
EH
IN
D
AC
/D
C PA
N
E
L
)
(N
EA
R B
S
S
BO
X)
CO
PP
ER
B
A
R
ANCHOR
WINDLASS
90A (MRCB)
2 GA BLK
SEE DWG
370-DC-7
LINE 1
2/0 RED
80A (MRCB)
4 GA RED
4 GA
R
E
D
4 GA
R
E
D
2 GA RED
SEE DWG
370-DC-7
LINE 1
COPPER BAR
COPPER BAR
10A (CB)
12V
CONSTANT
P15
SEE DWG
370-HWA-1
LINE 1
16 GA RED/PNK
(N
EA
R B
SS
BO
X)
M
A
IN
A
CCY
1
2V
D
C
NEG
BUS
(B
EH
IN
D
AC
/D
C PA
N
E
L
)
2/
0 B
L
K
COPPER BAR
16 GA BLK/YEL
(N
EA
R B
S
S
BO
X)
2/
0 B
LK
8 GA GRN
SEE DWG
370-DC-1-1
LINE 6
2/0 BLK
6 GA RED
4 GA RED
SEE DWG
370-STO-1
LINE 5
8A (CB)
FWD
BILGE
P15
SEE DWG
370-DC-3-1
LINE 8
16 GA BRN/RED
FWD GAS TANK
16 GA GRN - FUEL GROUND
16 GA GRN
FUEL TANK
SENDER
16 GA PNK/WHT
16 GA GRN - FUEL GROUND
PORT YAMAHA
PCU HARNESS
PLUG 2
AF
T 1
2V D
C
NEG
A
TI
V
E
BUS
(N
EAR
BSS
BO
X
)
CONT. FROM 370-DC-1-1 LINE 13
16 GA BLK
LINE
NO.
(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
370-DC-1-3 (TRIP HM)
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
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
6 GA GRN
10 GA BLK
SEE DWG
370-DC-5
LINE 1
SEE DWG
370-DC-8 OR
370-DC-8-AV2
LINE 1
11.
15.
12.
13.
14.
20.
17.
18.
21.
16.
22.
25.
19.
23.
24.
34.
30.
27.
31.
29.
32.
26.
33.
35.
28.
36.
37.
38.
39.
40.
41.
42.
43.
44.
10 GA BLK/BLU
SEE DWG
370-HWA-1
LINE 1
16 GA BLK
45.