Mercury 200 Pro XS Operation, Maintenance And Installation Manual page 110

BATTERY CABLE CONNECTIONS
Single Outboard
b
Dual Outboards
Connect a common ground cable (wire size same as engine battery cables)
between negative (–) terminals on starting batteries.
b
c
a - Red sleeve ‑ positive (+)
b - Black sleeve ‑ negative (–)
c - Ground cable
d - Cranking battery
OUTBOARD INSTALLATION
a
(-) (-)
b
a
(-)
(+) (+)
c
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a
(-)
d
100
a - Red sleeve ‑ positive
(+)
b - Black sleeve ‑
negative (–)
c - Cranking battery
d
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eng