•An authorized dealer needs to installmobile communications systems.Improper installation may harm theoperation of your vehicle, particularlyif the manufacturer did not design themobile communication systemspecifically for automotive use.
•If you or an authorized Ford dealer addany non-Ford electrical or electronicaccessories or components to yourvehicle, you may adversely affectbattery performance and durability. Inaddition, you may also adversely affectthe performance of other electricalsystems in the vehicle.
The auxiliary switch option packageprovides six switches mounted in theoverhead console. These switches operatewhen the vehicle is running or from batterypower, depending on the switchable fuseAUXF4's location in the upfitter relay box.We recommend, however, that the engineremain running to maintain battery chargewhen using the auxiliary switches forextended periods of time or higher currentdraws.
Note:When your vehicle has a dieselengine, use the auxiliary switches only whenthe engine is running. The glow plugs alsodrain battery power when the ignition key isin the on position. Using the auxiliaryswitches, even for limited amounts of time,can cause your battery to drain quickly andprevent your vehicle from restarting.
When switched on, the auxiliary switchesprovide electrical battery power for avariety of personal or commercial uses.Switches 1 through 4 provide 25 amps.Switches 5 and 6 provide 40 amps.
The relay box for the auxiliary switches isin the rear of the engine compartment,near the back wall. See your authorizeddealer for service.
The relays are coded as shown:
568
Super Duty (TFE) Canada/United States of America, enUSA, Edition date: 201710, Second Printing
AccessoriesE220728 E220729
