FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Mercury
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1993
>>
Sable V6-182 3.0L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Ignition System
>>
Testing and Inspection
>>
Component Tests and General Diagnostics
>>
Test 2 - Secondary Display
>>
Test Step 7
Test Step 7
Ignition Secondary Pattern:
^
Spark plug
firing voltage negative (pointing down).
^
Possible causes:
-
Ignition coil
primary circuit reversed.
-
Check wiring harness for
ignition coil
primary circuit.
-
If OK, replace
ignition coil
.