Mercury 25 EFI FourStroke - Battery Cable Connections

INSTALLATION
eng 143
Description Nm lb. in. lb. ft.
Bolt 6 53
BATTERY CABLE CONNECTIONS
IMPORTANT: To prevent damage to the engine charging system
when the battery cables are not connected to a battery, ensure
the battery cable ends are thoroughly insulated.
Single Outboard
a - Red sleeve ‑
positive (+)
b - Black sleeve ‑
negative (–)
c - Cranking battery
(+)
(-)
b
a
c
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