Single Engine - Dual Battery System; Installation; Operation - Single Engine W/ Dual Battery System - Four winns 248 Vista Owner's Manual

NOTICE
DO NOT turn the battery selector switch to the
"OFF" position while the engine is running.
Alternator and wiring damage could result.
Always stop the engine before switching
"OFF".
"ON" - With the battery selector switch in the "ON" posi-
tion, the battery will be used to power the engine and
12 volt power is supplied to the ships systems. With
the engine running, the alternator charges the battery.
Care must be exercised so as not to drain the battery
too low that you are unable to start the engine when
needed.
H - 3 SINGLE ENGINE - DUAL BATTERY SYSTEM
A battery selector switch is installed on the dual battery
system. This allows DC power to be used from either
one or both batteries. Refer to the schematics in the
back of the manual.
A. Installation
Connect each of the red (positive) battery cables
leading from the battery selector switch to the
positive (+) terminal on each of the two batteries.
Refer to Figure H2.
NOTICE
Be sure the two red (positive) cables are in-
stalled on the positive (+) battery terminals.
2. Connect each of the black (negative) battery cables
leading to the engine block to the negative (-) bat-
tery terminal on each of the two batteries.
Vista™ Owner's Manual
™
Figure H2: Dual Battery Systems
When disconnecting the cables from the battery,
make sure all switches are off and disconnect
the black negative cable(s) first to prevent
spark.
B. Operation -
Single Engine w/ Dual Battery System
Power to the engines and all 12 volt electrical equip-
ment is controlled at the battery selector panel. On
certain Vista™ models, separate circuit breakers are
provided on the battery selector switch panel to protect
the windlass (if applicable), forward and/or aft bilge
pump, stereo, 12 volt receptacle, and ship systems
(if applicable). Note: The quantity and use of circuit
breakers may vary depending upon the Vista™ model,
equipment availability and battery selector switch panel
used.
1. Battery Selector Switch- 1, 2 & BOTH Positions
The battery selector switch positions are as follows:
"OFF" - With the battery selector switch in the "OFF" po-
sition, all 12 volt power to the engine is shut off except to
the automatic bilge pump, stereo and 12 volt receptacle.
Circuit breakers are provided on the battery selector
switch panel to protect the aft bilge, stereo and 12 volt
receptacle. A circuit breaker switch may also be used
to switch the ship systems "ON/OFF". Always turn the
battery selector switch and the ship systems breaker
switch (if applicable) to the "OFF" position when the
boat is unattended for an extended period.
Section H
Page 2