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Home >> Mercury >> 2005 >> Mountaineer 2WD V8-4.6L SOHC VIN W >> Repair and Diagnosis >> Steering and Suspension >> Steering >> Steering Column >> Testing and Inspection >> Pinpoint Tests >> Test A: The Ignition Switch is Inoperative

Test A: The Ignition Switch is Inoperative

Pinpoint Test A: The Ignition Switch Is Inoperative

Test A1:





Normal Operation
The ignition switch receives overload protected B+ power from the battery junction box (BIB) fuse 23 (30A) through circuit 37 (YE). The ignition switch has 3 possible states:
^ OFF
^ ACC/RUN
^ START

Possible Causes
^ circuit 37 (YE) open
^ ignition switch
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