F 150 2WD Pickup V8-5.4L SOHC VIN 5 (2004)
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CJB
Test Q
PINPOINT TEST Q: THE PARKING, REAR OR LICENSE LAMPS ARE ON CONTINUOUSLY
Test Q1-Q3
Normal Operation
The headlamp switch is supplied battery voltage through circuit 195 (TN/WH). When the headlamp switch is turned to the parking lamps on position,
the headlamp switch supplies voltage to circuit 14 (BN), which in turn supplies power to the exterior lamps.
Possible Causes
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circuit 14 (BN) short to power
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headlamp switch
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vehicle security module
