3 7 0 E
X P R E S S
8–67
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 P o w e r A s s i s t O p t i o n
370-DC-1-1 (TRIP PA)
BOTH
2
1
OFF
STBD BATTERY
SELECT SWITCH
5.
34.
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)
60A
MRBF
FUSE
50A (MRCB)
DC MAIN
FUSE
100A
ANL
RED (ENG. LEAD)
AF
T
1
2V DC NEG
A
T
IV
E
B
U
S
2/
0 R
E
D
30.
27.
31.
29.
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 R
E
D
(+)
(-)
2/
0 B
LK
BATTERY
BANK # 1
(+)
(-)
4 GA BLK
BLK (ENG. LEAD)
(-)
(-)
(-)
(+)
(-)
(+)
YAMAHA CABLE
SEE DWG
370-DC-4
LINE 3
32.
FUEL TANK
SENDER
16 GA PNK
DIESEL TANK
SENDER
16 GA GRN
16 GA PNK/BLU
3.
26.
33.
FUSE
MRBF
60A
SEE DWG
370-DC-1-1
LINE 6
FUSE
ANL
400A
(BEH
IN
D
AC
/D
C PA
N
E
L)
(-)
(+)
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
CENTER ENGINE
(SEE ENGINE
OWNER'S
MANUAL)
(+)
RE
D
(
E
NG
.
L
E
A
D
)
BLK (ENG. LEAD)
(-)
YAMAHA CABLE
SEE DWG
370-DC-4
LINE 2
LINE
NO.
370-DC-1-2 (TRIP PA)
CONT. TO 370-DC-1-3 LINE 26
AF
T
1
2V DC NEG
A
T
IV
E
B
U
S
(BEHI
ND AC/
D
C
P
A
N
E
L)
CO
PPER B
A
R
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
12
V
D
C
N
E
G
. B
U
S
(B
EH
IN
D AC
/D
C
PA
N
E
L)
35.
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
(BEH
IN
D AC/
D
C
P
A
N
E
L)
1
2V
DC
PO
SI
T
IVE
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
AFT 1
2V
DC
N
E
G
A
T
IVE
B
U
S
M
A
IN
AC
CY
12
V DC NE
G
B
U
S
CO
PPER
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)
AFT 1
2V
DC
N
E
G
A
T
IVE
B
U
S
CO
PPER
B
A
R
M
A
IN
AC
CY
12
V DC NE
G
B
U
S
CO
PPER
B
A
R
2 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
FUSE
MAXI
50A
2/0 RED
(NOTE 3)
SEE DWG
370-DC-1-3
LINE 34
(N
EAR
BSS
B
O
X
)
AF
T
1
2
V DC NEG
A
T
IV
E
B
U
S
(N
EAR
BSS
B
O
X
)
8A (CB)
AFT
BILGE
TEMP SENSOR
CO
PPER B
A
R
4 GA RED
2/0 RED
16 GA BRN/WHT
P15
SEE DWG
370-DC-3-1
LINE 7
M
A
IN
ACC
Y
1
2V D
C
N
E
G
B
U
S
(BEHI
N
D
AC
/DC
PA
N
E
L)
(N
E
A
R
B
SS
BO
X)
CO
PPER
B
A
R
ANCHOR
WINDLASS
90A (MRCB)
2 GA BLK
SEE DWG
370-DC-7
LINE 1
CO
PPER B
A
R
CO
PPER
B
A
R
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
EAR
BSS
B
O
X
)
M
A
IN
ACC
Y
1
2V D
C
N
E
G
B
U
S
(BEHI
N
D
AC
/DC
PA
N
E
L)
COPPER BAR
(N
E
A
R
B
SS
BO
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
A
F
T
1
2V
DC NE
GAT
IVE BUS
(N
EAR
BS
S BO
X
)
CONT. FROM 370-DC-1-1 LINE 15
8 GA RED
COPPER BAR
COPPER BAR
16 GA BLK
COPPER BAR
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
LK
2 GA BLK
2 GA
B
LK
2 G
A
B
LK
2 GA RED
2 GA
RE
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
28.
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
370-DC-1-3 (TRIP PA)
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
CONT. TO 370-DC-1-2 LINE 16
11.
15.
12.
13.
14.
20.
17.
18.
21.
16.
22.
25.
19.
23.
24.
36.
37.
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
Summary of Contents for Express 370
Page 2: ......
Page 8: ...T A B L E O F C O N T E N T S ...
Page 12: ...W E L C O M E 1 4 ...
Page 20: ...S A F E T Y 2 8 ...
Page 28: ...G E N E R A L I N F O R M A T I O N 3 8 ...
Page 34: ...P E R F O R M A N C E 4 6 ...
Page 107: ...E X P R E S S 3 7 0 8 53 1 2 V D C A n c h o r Wi n d l a s s D i a g r a m ...