Key i ii - coxmarine.com

CoastKey ECU

Lift Pump

Fuel Pump

Water In Fuel Sensor

4 inch Screen

7 inch Screen

12 inch Screen

Steering Helm

Trim Panel - 2 Switch

Trim Panel - 3 Switch

Fuse

Boat Busbar

Fuse Box

Fuel Level

Connect to House Battery, via a 10amp fuse

Victon Energy DC-DC Converter

Vessel Battery Integration Schematic

CXO300ELECTRONIC RIGGING GUIDE

Key

CAN Harness

Helm Controls Harness

12v switched ignition feed

CoastKey Connection

PTT Connection

Fuel Level Sensor

12v Positive

12v Negative

Dometic CAN 1

Dometic CAN 3

Breaker

Battery Switch

Service Tool Connection

CAN T-Piece

CAN Terminating Resistor

# Second Station Extension

Engine Battery

CoastKey Start Panel

*

B

ii

i

F

Rigging Component Part NumberMurphy 4" Screen Kit SK-000134

Murphy 7" Screen Kit SK-000135

Murphy 12" Screen Kit SK-000136

DTM Control Head - Dual 034391

STM Control Head - Single 034392

Coastkey - Start Panel 033979

Coastkey - 2 Button Fob 033980

Coastkey - Additional Fob 033980

Coastkey - CECU - Engine 1 033981

Coastkey - CECU - Engine 1-2 033982

Coastkey - CECU - Engine 3 033983



Fuel Lift Pump Unit 037236

Outboard to Vessel Harness CAN 033870

Outboard to Vessel Harness Controls 033871

CAN T-piece 034393

CAN Terminating Resistor Female 034394

CAN Terminating Resistor Male 034395

CAN Female Connector Cover 034986

Dometic CAN 1 Harness 027170

Dometic CAN 3 Harness 027173

Trim Panel 2 Switch 033939

Trim Panel 3 Switch 033749

CAN Vessel Harness 1m (One per vessel) 033872




Vessel Helm Control Harness 4m (One per outboard) 033876



Rigging Component Part NumberECU Power Harness 036484

Steering Cylinder Spacer Kit SK-000100

Tiller Arm Hardware Kit SK-000110

1

2

3

4

5

6

OB 1*

2

033870

033871

037236

033981

033979

033879

PTT Switch

#

034392

033872-033875

027173

027170

033876-033878

033892

3

4

B

F

036484

1

Transom Bilge Area Helm Area

B

iii

5

6

2

*

2

3

033871

033982

033982

033880

PTT Switch

#

037236

034391

033893

033871

033870

037236

# 033876-033878

033872-033875

033876-033878

033939

*

033870

PORT

STBD

OB1

OB2

OB2

OB1

1

B

B

B

1

036484

036484

OB 1

OB 2


F

F

iii

iii

4

027170

5

5

6

6

*

2

2

*

2

3

033871

033982

033880

PTT Switch

037236

033871

033870

037236

033876-033878

033872-033875

033876-033878

033870

033871

037236

033876-033878

033983 #

#

#

PORT

STBDO

B1O

B2

OB2

OB1

OB3

*

033870

1

1

033979

034391

033894

033749

B

B

B

B

036484

036484

036484

Splice

OB 1

OB 2

OB 3


1

F

F

F

iii

iii

iii

4

027170

5

OB3

5

6

6

5

6

*

*

2

2

2

1

*

*

2

033870

033982

033979

033880

037236

034391

033894

033870

037236

033876-033878

033872-033875

033876-033878

033870

033871

037236

033876-033878 033939

033870

033871 033876-033878

033871

033871

033984#

#

#

#

037236

1

OB4

OB3

OB2

OB1

PORT

STBD

3

1

1

B

iii

B

B

B

B

036484

036484

036484

036484

Splice

OB 1

OB 2

OB 3

OB 4


P

S

OB4

OB3

O

B2

OB1

F

F

F

iii

iii

iii

4

027170

5

6

6

F

6

6

CXO300 - SINGLE INSTALLDOMETIC RIGGING GUIDE

CAN2 N

etwork

CAN3 N

etwork

BUZZERCOLOR CANtrak

CAN1 N

etwork

Engine Power Source

House Power Source

Components Not Supplied By Dometic

B B

Smart Cylinder

Power Steering

Pump

PCM

Helm Unit

Switch Panel

For redundancy, connect one Dometic purple wire to purple wire on harness 033871 and the other purple wire to a separate battery via a switch (not provided). If only one battery is available, splice the two Dometic

purple wire into single purple wires on harness 033871

CAN2 N

etwork

CXO300 - TWIN INSTALLDOMETIC RIGGING GUIDE

Buzzer

COLOR CANtrak

CAN1 N

etwork

Port Power Source

Starboard Power Source

Components Not Supplied By Dometic

B B

Smart CylinderSmart Cylinder

Power Steering

Pump

Power Steering

Pump

PCM

Helm Unit

On multi engine installs, connect each of the Dometic CAN 2 purple wires to separate

purple wires on harness’s 033871. In the event of one system failing, there is a backup whereby the system will operate

with restricted performance. For three and above outboard installs, ensure all purple wires from outboard to vessel harnesses are connected to Dometic CAN2 purple

wires

✔

❌

❌

House Busbar / Power Source

Outboard Battery

Outboard Battery Switch

Parallel Battery Switch

House Battery SwitchHouse Battery

Outboard Battery Switch

036484 036484

036484036484

Ensure link wire is installed

Ensure cable size is 10AWG or 6mm2

Install ECU power harness (036484) via Victron energy

module as shown, add a ground link cable between the inout and output

Set output of Victron energy module to supply ECU with

12.5V via adjustment screw, can be checked via GDU or EST

Main +veMain -ve

Outboard Battery

Key i ii - coxmarine.com

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