Ford Workshop Service and Repair Manuals > F 250 4WD Super Duty V10-6.8L VIN Z CNG (2003) > Accessories and Optional Equipment | Towing / Trailer System | Trailer Lamps | Component Information | Testing and Inspection | Initial Inspection and Diagnostic Overview

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Test Z8-Z9

Tests AA

PINPOINT TEST AA: THE INDIVIDUAL TRAILER LAMP IS INOPERATIVE - LH TRAILER TURN SIGNAL/STOPLAMP/HAZARD
FLASHER LAMP

Test AA1

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