Operation Manual
ULTRASONIC SPEED SENSOR
8
1.8 Junction Box Electrical Connections
BRN
WHT
GRN
BLK
RED
RED
GRN
BLK
WHT
YEL
RED
BLK
BATTERY
INSTRUMENT
SENSOR
Figure 1.2 – Junction box electrical connections
NOTE:
Trim all screens from the cables in the junction box to ensure that they
do not make contact with each other or any other wire or component in the
junction box.
Terminal Function Wire Colour
SENSOR
BRN
WHT
GRN
BLK
RED
SEA TEMP. INPUT
SEA TEMP. SUPPLY
BOATSPEED INPUT
GROUND
BOATSPEED SUPPLY
Brown
White
Green
Black
Red
INSTRUMENT
RED
GRN
BLK
WHT
BRN
BOATSPEED SUPPLY
BOATSPEED OUTPUT
GROUND
SEA TEMP. SUPPLY
SEA TEMP. OUTPUT
Red
Green
Black
White
Yellow
BATTERY
RED
BLK
10 – 15V DC
GROUND
Red
Black
Table 1.2 – Junction box wire functions
12 Volt DC
Power Supply
Hydra, Hercules or HS
System supply cable
Ultrasonic Speed
Sensor Transducer
Cable