Wiring Diagrams

ENGINE-MERCRUISER
StarbSolenotd
60
Water Temperature
Warning Switch
Grcund.Ttlt
Switch Lead
Under Capicator
Clamp
Flywheel
Alternator
Molded
Receptacle
With Screw ii Nut
Insulate With Neoprene Sleeve
Otl Pressure Light
Instrument Pyle1
Water Temperature Light
Connect With Screw I Nut
Insulate With Neoprene Sleeve
Typical 2 - Places
“”
I
I
f
--I
BlaqGrounded to Tachometer Case)
Remote Control
Start Inter-Lock Switch
556
WIRING DIAGRAMS
11
Lj
WIRING DIAGRAMS
557
. 4
t
558
WIRING DIAGRAMS
559
WIRING DIAGRAMS
II
.
F
I
I
ENGINE-MERCRUISER
110,120 AND 150 WITH AMMETER
AND TRANSISTOR REGULATOR
Connect Leads with Screw I Nut,
Insulate With Neoprene Sleeve
Typtcal z-P&c.
7
I
I
Water
Red
Transistor
Voltage Regulator
Temperature
sender
Note: If a Metal Instrument Panel Is not used, each
Instrument Case to he Individually Grounded,
12 Volt Battery
-.
29 1!I I
,ntr
I
Light
J
Yellow
t
*
Throttle
To
Position
Switch
cut-out
ENGINE-MERCRUISER 110,140 (GCYL.) AND 150 WITH AMMETER,
TRANSISTOR REGULATOR AND BALLAST RESISTORS
oil Pressure
NOTE:
ENGINE-MERCRUISER
120,140 and 165 WITH CIRCUIT BREAKER
AND VACUUM GAUGE
SPARK PLUGS
EXTENSION
“AURNESES
04u1Dms-*4
MSTRUYENT
WATER
,..---TEMPERATURE
TAWOMETER
PANEL 63178.41 L A2
w.
--PRESSURE’----‘---.
ALTERNATOR
SWITC”
ALTERNATE
CONNECTIONS
OF INE.TR”NENT GROUPS
TO EKTElYSlDN HARNESS
Y’
OPTION: ,* NOI‘? 2.1
Cotmect A - y
Fusd
Panel P Show”.
NORMALLY CLOSED
REVERSE INTERLOCK WITCH
\
WATER
TEMPERAlURE
SENDER
WARNING
WATER
LIGHT
TEMPERATURE
I
I
L
KEY WITCH
81-A,
fJ
OIL
TACHOMETER
PRESSURE
AMMETER
SENDER
.
ENGINE-MERCRUISER 120 (SERIAL NO. 3770650 AND UP),
140 (3771645 AND UP) AND 165 (3774665 AND UP)
EXTENSlON
HARNESSES
84.Wm5A5.A45
INSTRUMENT PANEL
WATER
TEMPERATTURE
W178Al
OIL
PRESWRE
-
& A2
-
-
-.
84-63715
84-63796
ALTERNATE CONNECTtONS
OF lNSTR”MENT GROUPS
TO EXTENSION HARNESS
Mc”l.,
wc”l.)
OIL
PRESSURE
SWTCH
OIL
PRESWRE
SENDER
ALTERNATOR
WATER
TEMPERATURE
SENDER
.TER A M M E T E R
.
I il
I/ I
LI
HARNESS and
GAUGES
6378OAl-A2
d 6378lAlA2
//I
564
WIRING DIAGRAMS
J--x,
PI .
I
o”o
0
0
oooo
I
11
,
ENGINE-MERCRUISER
Orongc
160 AND 165 WITH INTEGRAL ALTERNATOR
Brown
Oil Pressure
Black
--Whi+enod
-Green
Normally Closed Reverse
Inter-lock Switch
Distributor
Slave Start
Red
I
--+ I
-
I
I
!
I
- i I
Red
Grmn
F
I
Black
I
I
-!!lgup&ZlCJI
N o r m a Ily C l o s e d
Limit Switch
;
a
II
Mole Connector Pin End
NOTE: If a metal
instrument
panel
is not used, each
instrument case
must be individually
grounded.
\;F7Alternator
lnstrumn t pmel
160 Model - Serial No. 2768032 and UP
166 Model -All
& T r i m
Trim
Control
Trim Sender
1. Plug-In
With
,
-
B
l
4. llU,-I” conn.ctor
Terminal BlockBlue
-Blue
u
e
zt&p”lic
With
G r e e n - e -
1
Pminoid
R e d - C O N N E C T T O P O S I T I V E TERMlNAL
lack-CROUNO A T F L Y W H E E L C O V E R
Power Trim
w
C.nn.rto. -- S..“,.
Clomm
AT STARTER MOTOR
Clomp
--I.<“,.
566
WIRING DIAGRAMS
DISTRIBUTOR
567
WIRING DIAGRAMS
‘1
I
I I
Y
3
-
,
:
on ,,..w,.
k”..,
.P
-
. ..““l .I) .“,I”. DIWL
- - - - -
.
_~n..““.‘.
- - -.I,n l
Ix-.’ . , “ l ” .
al
s,..,.,
ld...l,
lloll!: I‘. khl I.- P-4 I. I(* UN4 Ed
h-l Gu hl L W-l. -.
ENGINE-YERCRUISER
21bH
rhtttttt))
STARTER
abrLL”“lY
Yell&
-cd
i)lL P R E S S U R E
--..--SENDER
TR!M
SENDER
(HEATER)
I
r
I”‘“‘”
I
I
;
MOTOR
l-.1
I
P.
.-. -‘ER
MALE CONNECTOR
r
---amml PPCC. - - - -m’nrf’yu’c~c’o’
TRIM
LIMIT
SWITCH
NORMALLY
CLOSED
REVERSE
INTERLOCK
SWITCH
I
jack
rJRlock
; Disconneclfrom ;
I Alternator and
i
: Tape Back
*~-VOLT
BATTERY
I I I # H@
c*@
ALTERNATOR !
!
:
2ALTERNAT. . . . - . ..- .
45 FT. INSTAI
1 UP/OUT
“*
NOTE: If.0 Metal Instrument Panel Is Not Used,
Each instrument Case Must Be Individually Grounded.
-Connect
Block
11 B l o c k
I
to 12:Volt Positive at Starter Motor
;
---
ENGINE-MERCRUISER 190 AND 229 WITH
ELECTROMECHANICAL REGULATOR AND AMMETER
Shill Inter-lock
Swilch
Oil
Pressure
Red
Black
I
If
II 1111111
Brown
Red/White
Blue
Oil Temp.
Sender
F
7
NOTE: Oil Temp. Light. Pink Lead I Oil
Temp. Sender Used Only in
MerCruiser “310” lnstallatlon
I
Terminal
I - - - - - -
I
Lock-m L,m,t Swdch
. ._ .
-l
II
ENGINE-MERCRUISER 22s WITH
ELECTROMECHANICAL REGULATOR AND INDICATOR LIGHT
Sh,ft Inter-lack
Swtch
1
s1AR1iNc
MDTOR w1n
WTEDRU. STARTER SDLENDID
ENGINE-MERCRUISER
225 WITH TRANSISTOR REGULATOR
_,
._
LL
Shift Interlock Swtch
-I ,
Starttng Motor with
integral Starter Sdenoid
-
Terminal
Block
Redml
Blue t e
Water
Temperature
sender
12 volt Dattery
NOTE:
ll A Metal lnslrunlerll Panel
b Not Used. Each lnstrumcnt
Case To Be Individually Grnwdrd.
ENGINE-MERCRUISER
225 WITH ELECTRIC CHOKE
ke
slaSolemtd
ve Start m
-.1-/I\
73
yellow
II
Reverse Inter-Lack
swttch _
I I
Ignitio n coil
I
Pmite
I
I
I
1
I I
II
Rwhite
ed
1I
1
1 1
Brown
Black
I
Black
White
1
Dlstrthutor
I
I
1
nea
ed
Green
I
I
I
I
I
I
12 V. Battery
Limit Switch
+
Male,- Connector
- ~.
[Pin End)
Transistor
Voltage Regulator
Alternator
er
Purple
Blue
POWER
TRIM
Ground at Flywheel Cover
Trim
ENGINE-MERCRUISER
225lbTR AND 255ll=TR
ELECTRICCHOKE
NORMALLY
OPEN
IGNlTlON
COIL
f
,
ENGINE-MERCRUISER 22SWTR (SERIAL NO. 3779775 AND UP),
2SSllTR AND 2SSIbTRS (3938788 AND UP)
I II
I\
n lllllr
576
WIRING DIAGRAMS
ENGINE-MERCRUISER
228=TR, ?SS=TR (SERIAL NO. 4175500
2809TRS, 330-TR AND 33O=TRS
AND UP),
ALTERNATOR
8
OIL
PRESSURE
SENDER
STARTER
MOTOR
W A TER
TEMPERATURE
NEUTRAL
SAFETY
WITCH
Y
12-VOLT
BATTERY
Aa
DISTRIBUTOR
ELECTRIC
SHIFT
J
To +I2 Stud
N E U T R A L . Ormga
F O R W A R D . Gmm
R E V E R S E -Slum
ENGINE-MERCRUISER
228 AND 250 (SERIAL NO. 4857551
AND UP)
SHIFT BRACKET
TERMINAL BLOCK
;
,
10 Purpk
6Rd
IRdlWhlb
TAPED BACK (Not Used)
PI6
T
PRESSURE (‘f’&
SENDER
ENGINE
GROUND
El I
I
-l
I
49lllllll.’
12-VOLT
BAlTERY
IFM
II
Ii
TM
IGNITION COIL
WATER
TEMPERATURE
SENDER
&B-J7
DISTRIBUTOR
WIRING DIAGRAMS
i
I
E,3-
579
ENGINE-MERCRUISER
2S0 AND 325 WITH WATER TEMPERATURE SWITCH
WIRING DIAGRAMS
581
I IL
I-
III
II
“’ II
ENGINE-MERCRUISER
325 WITH WATER TEMPERATURE SWITCH AND TRIM SENDER
DISTRIBUTOR
BAHERY
OIL
PRESSURE
I
ITION WI
ORANGE
MOTOR
IMALLY
CLOSED
IERSE INTERLOCK
5
NORMALLY CLOSED
TRIM LIMIT
)t SWITCH
B L U E
PURPLE
F
BATT.
GRND.
SWITCH
(OPTIONAL)
MALE CONNECTOR
PINAND
WATER TEMP. SENDER
WATER TEMP. SWITCH
INSTRUMENT
CLUSTER
TRIM
INDICATOR
TRANSISTOR
VOLTAGE
REGULATOR
UP/OUT
IN
-BLUE
-PURPLE
i-RED
4= GREEN
I’
- B L U E
- B L U E
,...I I L
TEMPERATURE u
KEY SWITCH
\
I
\
\
\
\
CONNECT TO THROTTLE POSITION
CUT-OUT SWITCH
NOTE: If a Metul Instrument Panel la Not Used, Each
Instrument Gse Must Be Individually Grounded.
,
/\
I
,
I
ENDINE-MERCRUISER 470 WITH WATERGOOLED
SHIFT INTERRUPTER
SWITCH
VOLTAQE REGULATOR
VOLTAGE REGULATOR
ET-G-a
- Brown
+?!I
Black
TERMINAL BLOCK
Dn SHIFT BRACKET
>lO P urple
+0 Ra !d
h4.kd/White
>8Or‘an*
>2 Br o w n
>l Blalck
I
I
I
1
!
I
I
1
I
1
.&,
v
v
1
----------em
ENGINE
537
GROUND
-
I
m----e
-
1
s-s
‘( -J1
TEMPERATURi
SENDER
b-l-1
R 4J1
-Yellow1
12-VOLT
BATTERY
DISTRIBUTOR
INSTRUMENT PANEL SECOND STATION
BLACK
WHITE
YELLOW
INSTRUMENT PANEL ASS’Y.
SECOND STATION
_ -
-
-
-
-
-WATER
TEMPERATURE
_ -0- -
O I L
PRESSURE
-
-
-
---_
-
\
\
_----
ALTERNATE CONNECTIONS
OF INSTRUMENT GROUPS TO-,
EXTENSION HARNESSES.
I
-PURPLE
I
I
I
-:
- G R E E N
YELLOW
BEE NOTE 1
m
NOTES:
1. If Remote Control Is Not Equipped with Throttle Position
CutQut witch, (Al Connect Leads with Saw and Nut;
Insulate with Neoaene.OR IBI Connect to Neutral Safetv
Saitch. If a S&h Is f&t U.&J at This Position, Conned
with Saew and Nut; Insulate with Neoprene Sleeve.
2. The Sum of the Electrical Loads Drawn from the Upper
and Lower Accessories Taps Cannot Exceed 35 Amps.
SEE NOTE 2
I
WIRING DIAGRAMS
IL‘
I
I
I
I
I
ENGINE-MERCRUISER
888 WITH CIRCUIT BREAKER AND VACUUM GAUGE
ELECVNIC WOKE
INUTERI
ALTERNATE coNNEcTloNs
OF INEVKWEN,
N-
= Oil
-.TENV
ON.
REVENSE INTERLOCK *Il,CN
AMYEVER
VACWY
-EYEKAluNE
SENDER
,,
I
ENGINE-MERCRUISER 888 (SERIAL NO. 3777490 AND UP)
AND 225-S (3836888 AND UP)
POWER TRIM-MERCRUISER
n
215,22SII=TR
AND 25Sll-TR
TRIM CONTROL
UP
TRAILER
DUAL TRIM
ADAPTOR B-58366
DOWN
.Yl-. E
To SECOND TRIM
CONTROL PANEL,
if REQUIRED
Red
Green
Bb
PUple
k
Zionfmtion
TRIM
LIMIT
WITCH
mJf
NORMALLY CLOSED
REVERSE INTERLOCK
SWITCH
iNOlDS
,
POWER TILT
r
- - - Connect to Brown Sift Inter-Lock
I-
t
II
I
1
A
f
Black
II
Black
Key Switch
Key Switch
Connections:
Brow-White
Ping & Comector
I
Cable
- Connect to Black Tilt Switch Cable
I
T
Switch
0 connect to - 12 v.
Off
D-E
On
A-F
ENGINE-MERCRUISER
898
ELECTRIC CHOKE (He&r)
TERYINALBLOCK&(
TAPED BACK (Not Urd)
I-@J,
Wok
ENGINE HARNESS
ILaII
3
1!
m I
h
ENGINE
GROUND
-
ALTERNATOR
40-iiiP
CIRCUIT
BREAKER
Tan
STARTER
SOLENOID
IGNITION
COIL
- I-
WAiik
TEMPERATURE
SENDER
12-VOLT
BATTERY
DISTRIBUTOR
591
WIRING DIAGRAMS
POWER TRIM WITH PUSH BUTTON (EARLY)
Normally
Closed
Limit
Switch
fi
I
Black
II
Bhck
e
Clotlnd ., Flywheel Cover
POWER TRIM WITH ROCKER SWITCH
Normally Cloned
Revwar Inter-Lock
Nomdly
Closed
Key Switch Positions:
“Off’ No Con~ectfon
“On” B ad I Connected
“Tilt” B, I md C Connected
Crotmd .t Flywheel Cover
S. P. D. T. Center
Off Momentay Contvzt
Rocker Switch
POWER TRIM WITH TRIM SENDER (DOUBLE SOLENOID SYSTEM)
POWER TRIM coNTRoLs
“A” I[-TR(S) Trkn l-lana
W” 3-bttell Panel
TRIM LIMIT
SWITCH
TRAIL .ER
-TRIM CONTROL “B”
Bli rick
SOLENOID
SOLENOID
(UP)
HYDRAULIC
lack0
-
B
l
a
c
k
-
L
CONNECT to NEGATIVE
BATTERY
TERMINAL
-t-1
Red -O CONNECT to POSITIVE (+)
BATTERY
TERMINAL
w i
I I13
I
I)
ENGINE-MERCRUISER
888 (SERIAL NO. 3777480 AND UP),
22b8 (3838888 AND UP) AND 233
SHIFT
INTERRUPTER
SWITCH
SHIFT
BRACKET f$-+
TERMINALBLOCK / ’ ’
k’
ENGINE GROUND on
STARTER SOLENOID
ELECTRIC
CHOKE
HEATER
BRACKET
It
I
I
I
I
-I
I
AA
OIL
PRESSURE
SENDER
------- -
1
OIL PNEBEllrRE
SWITCH
(SOME YODELS)
I
-------------’
12.VOLT
BATTERY
DlSl
IBUTOR
I
INSTRUMENT PANEL
INSTRUMENT PANEL
,---
TACHOMETER
I
---
WATER-------‘OIL
-
TEMPERATURE
-
VACUUM \
Gb”“F
\
-.,v-
I
64
RED-WHll
Cl0
WRPLE
MECH.1
\
MALE CONNECTOR
PIN END
\
rti-
+ e--J
- --------’
i
OPTION:
CONNECT ACCESSORY FUSED PANEL
AS SHOWN. MAX. LOAD 35 AMPS.
I
KEY SWITCH
v
CONNECT WITH SCREW & NUT
INSULATE WITH NEOPRENE SLEEVE
ENGINE-MERCRUISER
470 WITH AIR=COOLED
VOLTAGE REGULATOR
RECTIFIER ASSEMBLY
2 LEADS with
YELLOWSLEEVESL-I---------THREE-WIRE ALTERNATOJ
..
\.
- -A
I
I
F?lJR-WIRE ALTERNATOR
SHIFT INTERRUPTER
12-VOLT
BATTERY
DISTRIBUTOR
596
WIRING DIAGRAMS
I
J-.
II I
597
WIRING DIAGRAMS
eJ-=-
r ------
6
%
3
0
..
E
P
-
INSTRUMENT CLUSTER WITHOUT
8trapPolRionAU0WSumwith
4,6 or Scyl. Engilws 6tMdnd
Ignition Mown in 4+l. PosithI.
/
KEY
WATER
WARNING
LIGHT (BREAKER POINT)
I N S T R U M E N T OROUP
I
AMMETER
TACHOMETER
OIL
PRESSURE
I
V i i Lodcing
atOpmlEndof
Hrnew connectol
NOTE2
D
i
f-1 f - -
HARNESS
J
ThisPosition,
Connect
These Leads
NOTES: 1. Connect m Neuwal Start Shhh. If a Switch is Not Usedat
with Screw and Nut and Insulate wiH, a Neoprene
Sleem?.
2. An Accessory Fused Panel May Be Connecti at This Point. Load May Not Exceed 35 Amps.
3. Purple Lead Is Taped Back at Instrument End and at Engine End -- May Be Used for
Accessories. Limit: 5 Amps.
WIRING DIAGRAMS
599
WIRING DIAGRAMS
600
INSTRUMENT CLUSTER SECOND STATION (BREAKER POINT)
WARNING
LIGHT
WATER
TEMPERATURE
TACHOMETER
OIL
PRESSURE
BATTERY
METER
VACUUM
GAUGE
.
SwITCH-ASSEMBLY,
STOP/START
L SEE NOTE 2
.