Ignition Troubleshooting (Red Stator) - Mercury 15XD Service Manual

Ignition Troubleshooting (RED Stator)

TOOL : MULTIMETER/DVA TESTER 91-99750
Tested Part
Stator (GREEN/
WHITE and
WHITE/GREEN
wires disconnected
from switch boxes)
Trigger (BROWN/
YELLOW and
BROWN/WHITE
wires disconnected
from switch boxes)
Tested Part
Ignition Coils
(all wires dis-
connected)
Multimeter
Tested Part
Wires
RED
Switch Box
Primary Coil
BLACK
RED
Switch Box
Stop Circuit
BLACK
RED
BLACK
Stator Voltage
RED
BLACK
NOTE: Copper is an excellent conductor, but resistance may notably vary between low
and high temperature. Therefore, reasonable differences can be accepted between re-
sistance readings and specifications.
90-826883 R2 JUNE 1998
Multimeter
Connected To
Wires
GREEN/WHITE
RED
WHITE/GREEN
BLACK
RED
BROWN/YELLOW
BLACK
BROWN/WHITE
Connected To
Multimeter
+ Terminal
RED
-- Terminal
BLACK
Spark Plug Tower
RED
-- Terminal
BLACK
Connected To
-- Terminal
+ Terminal
BLACK/YELLOW
GROUND
GREEN/WHITE
GROUND
WHITE/GREEN
GROUND
Scale
R x 1
R x 100
Scale
R x 1
R x 1000
Selector Reading At
Position 300 - 1000 RPM
400 VDC
125 - 320
400 VDC 150 - 330
400 VDC 150 - 330
400 VDC 150 - 330
IGNITION
Resistance
(ohms)
370 - 445
6.5 - 8.5
Resistance
(ohms)
0.02 - 0.04
8 - 11
Reading At
1000 - 4000 RPM
200 - 320
250 - 330
250 - 330
250 - 330
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