2012 Ford F550 Cab Owner Guide 4th Printing - Page 327
2012 Ford F550 Cab Manual
Page 327 highlights
Roadside Emergencies Power distribution box The power distribution box is located in the engine compartment. The power distribution box contains high-current fuses that protect your vehicle's main electrical systems from overloads. WARNING: Always disconnect the battery before servicing high current fuses. WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs. If the battery has been disconnected and reconnected, refer to the Battery section of the Maintenance and Specifications chapter. The high-current fuses are coded as follows: Fuse/Relay Location 1 2 3 4 5 6 7 8 9 Fuse Amp Rating Relay - Relay - Relay - 50A* 30A* 30A* Protected Circuits Blower motor Not used Urea heaters (diesel engine) Not used Rear window defroster Not used Rear window defroster Passenger seat Driver seat 327 2012 F-250/350/450/550 (f23) Owners Guide, 4th Printing USA (fus)
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