
DUAL
OUTPUT
ALTERNATORS
DESCRIPTION
Dual output and high output alternators are available as
optional equipment on most
WES1ERBEKE
engines. These
alternators can be installed during factory assembly
or
as
add-on equipment at anytime.
Dual alternators
can
be configured to charge two banks
of
batteries at
the
same time or, using a battery selector switch,
charge each set
of
batteries separately.
TO
INSTALLATION
If
an
optional dual alternator has already been factory installed, ·
simply follow the
WES1ERBEKE
wiring diagram and the
engine installation instructions.
If
the new dual alternator is being added to an existing "in-
the-boat"
engine, carefully follow the alternator installation
instructions below:
1.
Disconnect the alternators negative cable from the
battery.
2.
Remove the alternator and disconnect
or
tape
off
the
output [positive] cable.
Do
not reuse.
3. Install the new alternator.
4. Attach a new heavy gauge output cable[s] from the
alternator's output terminal [s].
Using the cable sizes
indicated.
LENGTH
REQUIRED
UP
TO
6'
#4
WIRE
---··
iJPTD12'in
WIR-E---·
UP
TO
20'
#0
WIRE
[ALWAYS
USE
FINE
STRAND
CABLE]
5. Make certain that the batteries negative post ground
cable to the engine block is the same heavy gauge as
the positive cable.
6.
Mount the regulator to a flat surface in a cool dry
location.
a. Connect the black wire to the ground terminal on the
alternator.
TO
A
CAUTION:
Do
not
connect
any
power
source
with-
out
first
grounding
the
regulator.
b.
Plug the 2-pin connector into the alternator, make
certain it is firmly seated.
c. The red
"battery sense" wire should be connected to
the batteries positive[+] post [or the positive cable].
d.
The brown wire "keyed ignition" is the key circuit
which actuates the regulator, this wire must connect
to
a switched [
+]
12 volt source. Refer
to
the
WESTERBEKE
WIRING
DIAGRAM for the proper
connection.
Dual
Pulleys
A variety
of
accessory pulleys for high powered and dual
charging alternators are available from your
dealer.
Engines & Generators
33
SPACER
TO
MOUNTING
BRACKET
DUAL
OUTPUT
ALTERNATOR
[CHARGING
ONE
BATTERY]
~--
"BATTERY
SENSE"
TO
BATTERY
POSITIVE
POST
yCONNECTS
TO
PINK
AND
·
BLUE
LEADS.
THE
PINK
CONNECTS
TO
THE
ALARM
BUZZER.
THE
BLUE
WIRE
CONNECTS
TO
THE
OIL
PRESSURE
SWITCH.
DUAL
OUTPUT
ALTERNATOR
[CHARGING
TWO
BATTERIES]
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