Boat Harness
The 6‑pin boat harness connection allows for accessory sensors (tank level, paddle wheel, and sea temperature) to be
connected and the information displayed on the SmartCraft network. For diagnostic purposes, the data from these sensors may
also be viewed with CDS G3 under the Vessel tab of the Live Data display.
a - Boat harness connector
b - PCM connector B
c - PCM connector C
Connector Pin Wire Color Function PCM
A Black/green Sensor ground (–) CE3
B Purple/black Sensor power (+) CE4
C Brown Fuel level 2 signal CB2
D Gray/blue Paddle wheel signal BE4
E Tan/orange Sea temperature signal BD2
F Pink/black Fuel level 1 signal CC4
125A
124A
124B
TAN/ORN
TAN/ORN
PPL/BLK
GRA/BLU
GRA/BLU
PNK/BLK
PNK/BLK
BLK/GRN
PPL/BLK
BLK/GRN
BRN
BRN
A
B
C
D
E
F
H4
A1
B2
E3
C4
E4
A1
D2
E4
M4
D E F
C
B A
A B
C
D E F G H
J
K
AB
C
DEFGH
J
K
1
3
2
4
L
M
L
M
Accessories
Page 5C-8 © 2018 Mercury Marine 90-8M0146617 eng JULY 2018