Installation manual
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]