Ford 2010 E-150 Owner's Manual page 229

WARNING: Always disconnect the battery before servicing high
current fuses.
If your vehicle is equipped with an auxiliary battery,
disconnecting the primary under-hood battery DOES NOT remove
power from all circuits.
To remove a fuse use the fuse puller tool provided on the inside of the
fuse panel cover.
The fuses are coded as follows.
Fuse/Relay Fuse Amp
Location Rating
1 30A
2 15A
3 15A
4 30A
2010 Econoline (eco)
Owners Guide, 1st Printing
USA (fus)
Roadside Emergencies
Protected Circuits
Not used (spare)
Not used (spare)
Not used (spare)
Not used (spare)
229