Mercury Optimax 115

75/90/115 OPTIMAX
Page 10 of 18
Battery Cable Connections
SINGLE OUTBOARD
(+)
(–)
a
b
c
a-Red Sleeve (Positive)
b-Black Sleeve (Negative)
c-Starting Battery
DUAL OUTBOARDS
Connect a common ground cable (wire size same as engine battery cables) between nega-
tive (–) terminals on starting batteries.
(–)
(–)
d
d-Ground Cable (Same Wire Size As Engine Battery Cable) – Connect Between
Negative (–) Terminals