Connector wiring
Junction box
Recommended wiring
Wiring example
Satellite antenna
8 Pin Female Color In / Out Name
1 - -
2 Black Ground
3 - In RS232 RX
4 - Out RS232 TX
5 Red In 12 V DC
6 - - -
7 - - -
8 - - -
Satellite antenna - Junction box connector
Connector No. Color In /Out Name
1 Brown / Red In 12 V DC
2 Brown / Blue Out Aux1_TX
3 Brown / Green In Aux1_RX
4 Brown / Orange In Ext Sat
5 Black - Ground
Primary I/O
Wire Color Signal Desc’ Direction
(LMU) Navico V
LIMIT A
1Red VIN PWR Boat Power 12-32 V
2Black GND PWR Boat Ground 12-32 V
3White INPUT0 I Ignition 12-32 V
4Pink ADC1 I - 12-32 V
5Brown / Red VIN_VILT PWR EXT. SATELLITE 12-32 V
6Brown / Orange AUX1_VCC PWR EXT. SATELLITE 3.3 V
7Brown / Green AUX1_RX O EXT. SATELLITE 3.3 V
8Brown / Blue AUX1_TX I EXT. SATELLITE 3.3 V
9Yellow / Orange AUX2_VCC PWR - 3.3 V
10 Yellow / Green AUX2_RX O - 3.3 V
11 Yellow / Blue AUX2_TX I - 3.3 V
12 Blue INPUT 1 I ENTRY / HATCH 12-32 V
13 Orange INPUT 2 I WATER LEVEL 12-32 V
14 Violet INPUT 3 I SHORE POWER 12-32 V
15 Grey INPUT 4 I SPARE 12-32 V
16 Green / Black 1BB_T_DATA Signal TEMP SENSOR 4 V
17 Yellow / Black 1BB_GND GND TEMP SENSOR 4 V
18 Green OUTPUT 0 O - 250 mA
19 Brown OUTPUT 1 O - 250 mA
20 Yellow OUTPUT 2 O - 250 mA
Secondary I/O
Wire Color Signal Desc’ Direction
(LMU)
V
LIMIT A
1Black GND PWR 12-32 V
2Yellow / Red VIN_FILT PWR 12-32 V
3Green / White INPUT 5 I 12-32 V
4Blue / White INPUT 6 I 12-32 V
5Black / White INPUT 7 I 12-32 V
6Orange / Black 1BB_R_DATA I/O 4 V
7Blue / Orange OUTPUT 3 O -250 mA
8Whote / Yellow OUTPUT 4 O -250 mA
9Red / Green LED OUTPUT 1 O 4 V
10 Orange / Green LED OUTPUT 2 O 4 V
11 Black / Red ADC2 INPUT I 12-32 V
12 White / Red ADC3 INPUT I 12-32 V
13 Orange / Red ADC4 INPUT I 12-32 V
14 Blue / Red ADC5 INPUT I 12-32 V
NMEA 2000 / CAN - J Connector
Wire Pin Color Signal Desc
14 Yellow NMEA 2000 High
25 Green NMEA 2000 Low
33Black / Yellow NMEA 2000 Ground
4A Grey Port J1939 CAN 1 Low
5B Blue Port J1939 CAN 1 High
6C Black / Grey Port J1939 CAN 1 Ground
7A Red Stbd J1939 CAN 2 Low
8B Brown Stbd J1939 CAN 2 High
9C Black / Red Stbd J1939 CAN 2 Ground
Gnd
Pwr
1
2
3
4
5
Gnd Ign Out1 Out0
SAT-TTL-RS232PCB
(Securedto case lid)
Aux2
Tx
Aux2
Rx
Aux2
Pwr ADC1
Bilge Hatch Temp Out2
Shore
Pwr
Gnd Gnd
Pwr
1
2
3
4
5
Gnd Gnd Ign Out0 Out1 Out2
Satelliteantenna
connector
(Securedtocase lid)
Bilge HatchADC1 SpareTemp
Shore
Pwr
NMEA 2000 Network
12 V 12 V
In / Output
In / Output
In / Output
In / Output
In / Output
Primary I/O
Satellite In / Output
In / Output
In / Output
In / Output
In / Output
In / Output
Iridium
Antenna
Cellular Com 1 *
* Cellular conectivity only available with a
Track CELL/GPS/WLAN Antenna &Track-CellFi Unit
WLAN Com 2
GPS
Junction
Box
Junction
Box
Secondary I/O
Engine ‡
J1939 Conection
Engine ‡
J1939 Port
GoFree Cloud
Track Unit*
Track
Antenna*
‡ Not compatible
with all SAE J1939
compatible engines,
see GoFree
technical support
for more details
Gnd Gnd
Pwr
Ignition
Sensor
Ships
Power
Bilge
Sensor
Entry
Sensor
Primary I/O
to Track
Satellite antenna
Cable (3 m)
Extention for additional
10 m available
Temperature
Sensor
Shore Power
Sensor
1
2
3
4
5
Gnd Gnd Ign Out 0 Out 1 Out 2
Satellite antenna
connector
(Secured to case lid)
Bilge HatchADC1 SpareTemp
Shore
Pwr
1
2
3 4
5