Brunswick 750 IMPACT, Operation & Maintenance Manual, Page: 103 / 156

5-9
Electrical Systems Section 5
Battery OFF-ON Switches
Your boat is normally equipped with three battery
OFF-ON switches that allow you to turn battery power
on and off to the outboard engines and to each main
12 VDC power distribution circuit in the boat. The
switches are located in the control console, just inside
the console door.
• One battery switch controls power to all main 12
VDC power distribution circuits
• One battery switch controls power to the port out-
board engine and certain engine accessories
• One battery switch controls power to the star-
board outboard engine and certain engine acces-
sories
You can disable each battery OFF-ON switch by
removing its handle. Turn the switch handle an addi-
tional 20° counter-clockwise from the OFF position to
remove it. Disabling the battery OFF-ON switches
gives you an additional level of security if the boat is
left unattended.
Bilge Pump Special
The only exception to the 12 VDC circuit control
described on this page is the bilge pump system .
The 15-amp in-line blade fuse that protects the bilge
pump system has an uninterruptible power supply that
originates at the battery side of the port engine bat-
tery OFF-ON switch. The bilge pump system is pow-
ered and active regardless of the position selected on
any of the battery OFF-ON switches.
!
CAUTION
Never move the engine battery OFF-ON
switches to the OFF position while the outboard
engines are running. Moving the engine battery
OFF-ON switches to the OFF position while the
engines are running will cause immediate
damage to the engines’ charging systems.