When installing dual batteries, proceed as follows:
to the “OFF” position when the boat is removed from the
Connect each of the red battery cables leading from
the battery selector switch to the positive (+) termi-
nal on each of the two batteries.
DO NOT turn the battery selector switch to the
“OFF” position while the engine is running. Al-
ternator and wiring damage could result.
RED BATTERY CABLE
“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.
- Turning the switch to position “2” will use battery #2
to power the engine and 12 volt equipment. 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 equip-
ment. Both batteries will be charged by the alternator.
However, the batteries will charge at a slower rate com-
pared to setting the switch in the other positions.
BLACK BATTERY CABLE
Figure H2: Single Engine-Dual Battery Installation
Be sure both cables are installed on the positive
+) battery terminals.
The use of one battery at a time is recommended. Posi-
tion the battery selector switch to either the #1 or #2
Connect the black battery cable to the port negative
battery terminal (see Section H-2). Connect the
other black battery cable to the starboard negative Under normal conditions, avoid using the “BOTH” posi-
-) battery terminal.
tion. Use the “BOTH” position only when a single bat-
tery 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 #1 for the first
day of a cruise and switch to battery #2 on the second
When disconnecting the cables from the bat-
tery, make sure all switches are off and discon-
nect the black negative cable(s) first to prevent
C. Battery Switch Operation - (Specific Models Only)
Position the battery selector switch to the battery that
has sufficient power to start the engine (normally posi-
Dual batteries with a selector switch is optional on cer- tion “1”). After the engine is running, turn the battery
tain specific Sundowner™ models only. Power to the selector switch to the battery that has the lowest charge.
engine and all 12 volt electrical equipment with the ex- This will allow the alternator to charge the low battery.
ception of the automatic bilge pump is controlled by the Utilizing the battery selector switch in this manner (in-
battery selector switch. See Figure H2.
stead of using the “BOTH” position) will supply a greater
charge to the battery.
Sundowner™ battery selector switch positions:
FOR EXAMPLE: If battery #1 is fully charged and bat-
OFF” - With the battery selector switch in the “OFF” tery #2 is in need of a charge, use battery #1 to start the
position, all 12 volt power to the boat is shut off com- engine. After the engine is running and warmed-up, turn
pletely except to the automatic bilge pump. A separate the battery selector switch to the #2 position. This will
fuse is provided on the battery switch panel for the auto- permit the alternator to charge the low, #2 battery.
matic bilge pump. Always turn the battery selector switch
Sundowner™ Owner’s Manual
|Categories||Four Winns Manuals, Four Winns Sundowner Manuals, Outboard Marine Corporation Manuals|
|Tags||Four Winns Sundowner 205, Four Winns Sundowner 225, Four Winns Sundowner 245, Four Winns Sundowner 285|
|Model Year||2003, 2004, 2005, 2006, 2007, 2008|
|Document Type||Owner's Manual|
|Product Brand||Boats and Cruisers, Four Winns. For support contact your dealer at http://www.fourwinns.com/locate-dealer.aspx|
|Document File Type|
|Wikipedia's Page||Outboard Marine Corporation|
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