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FusesFUSE SPECIFICATION CHARTPower Distribution BoxWARNINGSAlways disconnect the battery beforeservicing high current fuses.To reduce risk of electrical shock,always replace the cover to thepower distribution box beforereconnecting the battery or refilling fluidreservoirs.The power distribution box is located inthe engine compartment. It hashigh-current fuses that protect yourvehicle's main electrical systems fromoverloads.If you disconnect and reconnect thebattery, you will need to reset somefeatures. See Changing the 12V Battery(page 246).E166589Fuse or relay number1234567Fuse amp ratingRelayRelayRelayRelayRelayRelayRelayProtected componentsPowertrain control module (3.7L, 5.0L and6.2L engines)StarterBlower motorRear window defrosterElectric fan (high speed)Trailer tow park lampRun/start225F150 (TF6) , enUSA