Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
The ignition switch is inoperative	Central junction box (CJB) fuse(s): 51 (50A) 58 (50A) 64 (30A) Ignition switch Circuitry	Go To PINPOINT TEST A .
No power in ACC	CJB fuse(s): 33 (15A) 48 (10A) Ignition switch Circuitry	Go To PINPOINT TEST B .
No power in RUN	CJB fuse(s): 24 (15A) 25 (10A) 26 (10A) 27 (15A) 28 (10A) 29 (10A) 33 (15A) 45 (10A) 48 (10A) Ignition switch Circuitry	Go To PINPOINT TEST C .
No power in START	CJB fuse(s): 31 (15A) 32 (5A) 45 (10A) Ignition switch Circuitry	Go To PINPOINT TEST D .
The multifunction switch/hazard switch does not operate correctly	Multifunction switch	CARRY OUT the Multifunction Switch Continuity Test for electrical diagnosis. Refer to COMPONENT TESTING - EXCURSION & F250-F550 SUP for schematic and connector information.