Operation CHARM
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Ford Truck
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1997
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Expedition 2WD V8-281 4.6L VIN W EFI
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Testing and Inspection
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Pinpoint Tests
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FD - Brake On/Off (BOO) Switch
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Test Notes
Test Notes
Enter this pinpoint test only when directed here.
This pinpoint test is intended to diagnose the following:
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Brake Lamp Circuit
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Brake Lamp Switch
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Powertrain Control Module