a - PCM connector A
b - PCM connector B
c - PCM connector C
d - Clean power connector
e - 14‑pin connector
Connector Pin Wire Color Function PCM
A Red/black 12 V clean power (+) –
B Black Clean power ground (–) –
C Purple 12 V wake circuit (+) CC1
D Black/yellow E‑stop signal AD3
E Blue/yellow Oil pressure analog gauge BL3
F White CAN P high BG2
G Blue CAN P low BG1
H Light blue/white Trim up command CC2
J Green/white Trim down command CC3
K Orange/green Trim position analog gauge CA3
L Tan/light blue Horn AA4
M Gray Tachometer signal AA1
N Yellow/red Start/stop signal CA2
P Brown Coolant temperature analog gauge CD1
SmartCraft Circuit Diagrams
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 8A-5