90-830234R3 DECEMBER 1997 ELECTRICAL - 2A-27
CDM (P/N 827509) Trouble Shooting Flowchart
Chart 1
Step
Action Value Yes No Tools
1
Verify High Tension Leads, Spark
Plug and Spark Boots are in good
condition. Inspect wires for chafing.
Visual Inspection
– Step 2 Replace
Failed Com-
ponent
Step 2
High Tension
lead pin
P/N
84-813706A56
2
Verify 4 Pin Connector Integrity
Visual Inspection
– Step 3 Repair/Re-
place Con-
nector Com-
ponents
Step 3
–
3
Verify Ground from CDM connector
to block
0.2 Ohms
and below
Step 4 Correct
Ground Path
Step 4
DVA/Multimeter
P/N 91-99750
Test Harness
P/N
84-825207A2
4
Test all CDMs at Cranking with
Spark Gap Tester
Spark on All CDMs?
Will spark jump a 7/16 in.
(11.11 mm) gap?
7/16 in.
(11.11 mm)
gap
If at least
one CDM
has spark,
continue with
Chart #3
Continue
with Chart #2
Spark Gap Tes-
ter
P/N 91-850439
CDM (P/N 827509)
ABCD
a - Ground
b - Black/Yellow
c - Trigger Connection
d - Stator Connection
Spark Gap Tester P/N 91-850439
55117
CDM Test Harness 84-825207A2
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