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Mercury Optimax 135 Service Manual

Mercury Optimax 135
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WIRING DIAGRAMS
90-855347R1 JANUARY 1999 Page 2D-11
Water Temperature Gauge
WIRING DIAGRAM A
Use this wiring diagram when using a separate light switch for instrument lighting.
SEND
a
b
c
d
e
a-Connect to + 12 Volt
b-+12 Volt Light Switch Wire
c-Position Light Bulb to the Switched Position
d-Connect to NEGATIVE (–) Ground
e-Connect to TAN Lead located at the Tachometer Receptacle on Commander
Side Mount Remote Control or TAN Lead coming from Accessory Ignition/
Choke Assembly.
WIRING DIAGRAM B
Use this wiring diagram when instrument lighting is wired directly to the ignition key switch.
(Instrument lights are on when ignition key is turned on.)
51105
SEND
a
b
c
d
a-Connect to +12 Volt
b-Position Light Bulb to the Unswitched Position
c-Connect to NEGATIVE (–) Ground
d-Connect to TAN Lead located at the Tachometer Receptacle on Commander
Side Mount Remote Control or TAN Lead coming from Accessory Ignition/
Choke Assembly

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Mercury Optimax 135 Specifications

General IconGeneral
Engine TypeV6
Horsepower135 HP
Fuel Induction System2-stage direct fuel injection
Full Throttle RPM Range5000-5750 RPM
Alternator Output60 amp / 756 watt
Starting SystemElectric
SteeringRemote
Dry Weight431 lbs
Shaft Length20", 25"

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