Mercury V8 250 User Manual

a - CAN P/H terminator
b - Clean power connector
c - 14‑pin connector
d - CAN X terminator
e - PCM connector C
f - PCM connector B
Connector Pin Wire Color Function PCM
57554
AB
C
DE
F
G
H
J
K
A Red/black 12 V clean power (+) –
B Black Clean power ground (–) –
C N/A Not used –
D N/A Not used –
E Orange/green CAN H high –
F Purple 12 V wake circuit (+) CC1
G Green/orange CAN H low –
H N/A Not used
J White CAN P high BG2
K Blue CAN P low BG1
53172
B
A
A Yellow CAN X high BH2
B Brown CAN X low BH1
SmartCraft Circuit Diagrams
90-8M0146617 eng JULY 2018 © 2018 Mercury Marine Page 8A-7

Mercury V8 250 Specifications

General

Engine Type	V8
Horsepower	250 HP
Displacement	4.6L
Fuel Induction System	Electronic Fuel Injection (EFI)
Steering	Hydraulic Steering
Gear Ratio	1.75:1
Cylinders	8
Starting	Electric Start
Full Throttle RPM Range	5200-6000 RPM
Alternator Amp	85 amp
Shaft Length	25 in
Weight	527 lbs
Fuel Type	Unleaded 87 octane minimum