Owner’s Manual Page 66Electrical Systems - Section H
Battery #1 is isolated and remains in reserve.
Only battery #2 will be charged by the alternator.
“BOTH” - With the battery selector switch in the
“BOTH” position, the batteries are connected in
parallel. Both batteries will be used by the engine
and all 12 volt equipment. Both batteries will be
charged by the alternator. However, the batteries
will charge at a slower rate compared to setting
the switch in the other positions.
The use of one battery at a time is recommended.
Position the battery selector switch to either the #1
or #2 position.
Under normal conditions, avoid using the “BOTH”
position. Use the “BOTH” position only when a single
battery is not capable of starting the engine.
Four Winns recommends alternating between
batteries during boating. Depending upon boating
use, this may increase battery longevity. Use battery
#1fortherstdayofacruiseandswitchtobattery
#2 on the second day.
Position the battery selector switch to the battery that
hassufcientpowertostarttheengine(normally
position “1”). After the engine is running, turn the
battery selector switch to the battery that has the
lowest charge. This will allow the alternator to charge
the low battery. Utilizing the battery selector switch in
this manner (instead of using the “BOTH” position)
will supply a greater charge to the battery.
FOR EXAMPLE: If battery #1 is fully charged and
battery #2 is in need of a charge, use battery #1 to
start the engine. After the engine is running and
warmed-up, turn the battery selector switch to the #2
position. This will permit the alternator to charge the
low, #2 battery.
H - 3 12 VOLT ELECTRICAL EQUIPMENT
A. Helm Equipment
The ignition, DC outlet, and panel switches are
protected by a separate fuse panel located under-
neath the helm console. Access to the fuse panel
may be gained by going underneath the helm console.
Descriptions of individual switches are describe in
the following:
When installing dual batteries, proceed as follows:
1. Connect each of the red battery cables leading
from the battery selector switch to the positive
(+) terminal on each of the two batteries.
NOTICE
Be sure both cables are installed on the
positive (+) battery terminals.
2. Connect the black battery cable to the port nega-
tive (-) battery terminal (see Figure H-2 above).
Connect the other black battery cable to the
starboard negative (-) battery terminal.
When disconnecting the cables from the
battery, make sure all switches are off and
disconnect the black negative cable(s) rst to
prevent spark.
C. Battery Switch Operation
Dual batteries with a selector switch is optional on
certain models only. Power to the engine and all 12
volt electrical equipment with the exception of the
automatic bilge pump is controlled by the battery
selector switch. See Figure H-2.
Dual battery selector switch positions:
“OFF” - With the battery selector switch in the “OFF”
position,
all 12 volt power to the boat is shut off
completely except to the automatic bilge pump. A
separate fuse is provided on the battery switch panel
for the automatic bilge pump. Always turn the battery
selector switch to the “OFF” position when the boat
is removed from the water.
NOTICE
DO NOT turn the battery selector switch to
the “OFF” position while the engine is running.
Alternator and wiring damage could result.
“1” - Turning the switch to position “1” will use battery
#1 to power the engine and 12 volt equipment. Battery
#2 will be isolated and remain in reserve. Only battery
#1 will be charged by the alternator.
“2” - Turning the switch to position “2” will use battery
#2 to power the engine and 12 volt equipment.
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