Mercury 45 Jet 50-55 Service Manual page 56

The following "Starting Circuit Troubleshooting Flow Chart" is designed as an aid to troubleshooting the starting circuit. This
flow chart will accurately locate any existing malfunction. Location of "Test Points" (called out in the chart) are numbered in
diagram below.
7
Starting Circuit Troubleshooting
Flow Chart
No continuity indicated; there is an open circuit in the black neg-
ative (-) battery cable between the negative (-) battery post and
the powerhead.
Check cable for loose or corroded connections.
Check cable for open.
90-817643R1 DECEMBER 1996
RED SLEEVE
RED SLEEVE
1
5
6
4
Starter Motor Does Not Turn
SAFETY WARNING: Disconnect black (starter motor) cable
from starter solenoid test point 1 BEFORE making tests
1-thru-7 to prevent unexpected engine cranking.
TEST 1
Use an ohmmeter (R x 1 scale) and connect meter leads be-
tween negative (-) battery post and common powerhead
ground.
2
3
NEUTRAL START SWITCH
(LOCATED IN CONTROL
HOUSING IF ENGINE IS
EQUIPPED WITH REMOTE
CONTROL)
Continuity Indicated
Proceed to TEST 2, on next page.
ELECTRICAL and IGNITION - 2B-13
51208