2013 Ford F350 Super Duty Super Cab Owner Manual Printing 3 - Page 301

300 Fuse or relay location 48 49 Fuses Fuse amp rating 30A Circuit Breaker Relay Protected circuits Power windows switch, Power rear sliding window switch Delayed accessory UPFITTER CONTROLS (IF EQUIPPED) The upfitter option package provides four switches, mounted in the center of the instrument panel. AUX 1 AUX 2 AUX 3 AUX 4 These switches will only operate while the ignition is in the on position, whether the engine is running or not. However, it is recommended that the engine remain running to maintain battery charge when using the upfitter switches for extended duration or higher current draws. (This is even more important for vehicles with diesel engines since the glow plugs are also draining battery power when the ignition key is in the on position.) When switched on, they provide 8 amps, 12 amps or 20 amps of electrical battery power for a variety of personal or commercial uses. There will also be a relay box located on the driver side end of the instrument panel. See your authorized dealer for service. The relays are coded as shown. RELAY 4 RELAY 3 RELAY 2 RELAY 1 2013 F-250/350/450/550 (f23) Owners Guide gf, 3rd Printing, December 2012 USA (fus)