Battery Cable Connections - Mercury 150 Operation, Maintenance And Installation Manual

A decal advising against using deep cycle batteries and wing nuts should be
placed on or near the battery box for future service reference. One 5/16 in. and
one 3/8 in. hex nut is supplied per battery for wing nut replacement. Metric hex
nuts are not supplied.

BATTERY CABLE CONNECTIONS

Single Outboard
b
OUTBOARD INSTALLATION
DO NOT USE DEEP CYCLE BATTERIES!
IMPORTANT:
Refer to the outboard owner's manual for
battery requirements.
Battery cable size and length is critical.
Refer to engine installation manual for
size requirements.
Place decal on or near battery box for future
service reference. Included with the engine
rigging components are 5/16" and 3/8" hex
nuts to be used for battery terminal wing nut
replacement. Metric hex nuts must be obtained
locally.
a
(-) (-)
NOTICE
13.5Nm (120 lb-in.)
DO NOT
USE
WINGNUTS
8M0085862
(+) (+)
c
15496
90
54395
a - Red sleeve ‑ positive
(+)
b - Black sleeve ‑
negative (–)
c - Cranking battery
eng