Operation CHARM
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Ford Truck
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2003
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F 150 4WD Pickup V8-5.4L SOHC VIN L
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Repair and Diagnosis
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Accessories and Optional Equipment
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Radio, Stereo, and Compact Disc
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Testing and Inspection
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Pinpoint Tests
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Test D
Test D
PINPOINT TEST D: POOR QUALITY/DISTORTED SOUND FROM ONE OR MORE SPEAKERS (NOT ALL SPEAKERS)
Test D1:
Test D2-D4:
Test D5:
