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Mercury 40 FourStroke User Manual

Mercury 40 FourStroke
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CHARGING & STARTING SYSTEM
90-857046R1 NOVEMBER 2001 Page 2B-13
Starting Circuit Troubleshooting Flow Chart
The following “STARTING CIRCUIT TROUBLESHOOTING FLOW CHART” is designed as
an aid to troubleshooting the starting circuit. This flow chart will accurately locate any exist-
ing malfunction. Location of “TEST POINTS” (called out in the chart) are numbered in dia-
gram below.
Starter Motor Does Not Turn
SAFETY WARNING: Disconnect BLACK (with Yellow
Sleeve) (starter motor) cable from starter solenoid test
point 1 BEFORE making tests 1-thru-7 to prevent unex-
pected engine cranking.
TEST 1
Use an ohmmeter (R x 1 scale) and connect meter leads be-
tween NEGATIVE (-) battery post and common powerhead
ground.
No continuity indicated; there is an open circuit in the BLACK
NEGATIVE (-) battery cable between the NEGATIVE (-) battery
post and the powerhead.
Check cable for loose or corroded connections.
Check cable for open circuit.
Continuity Indicated
Proceed to TEST 2, on next page.
Starting Circuit Troubleshooting Flow Chart
+
NEUTRAL
START
SWITCH
IGNITION SWITCH
STARTER
STARTER
SOLENOID
BATTERY
FUSE HOLDER ASSEMBLY
BLK = Black
BLU = Blue
BRN = Brown
GRY = Gray
GRN = Green
ORN = Orange
PNK = Pink
PUR = Purple
RED = Red
TAN = Tan
WHT = White
YEL = Yellow
RED/PUR
RED
YEL/RED
BLK
BLK
1
2
3
4
5
6
BLK
(with
YEL SLEEVES)
BLK
(with
RED SLEEVES)
BLK
BLK
BRN
YEL/RED
7
RED/PUR
YEL/RED
BRN
DIODE
15

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Mercury 40 FourStroke Specifications

General IconGeneral
BrandMercury
Model40 FourStroke
CategoryOutboard Motor
LanguageEnglish

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